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      id="ct-nonNumeric-86cf294a-75a5-4617-a6bd-7ee909a13cd8">Note 1 &#x2013; Basis of Presentation The accompanying unaudited consolidated balance sheets and statements of capitalization of Essential Utilities, Inc. and subsidiaries (collectively, the &#x201c;Company&#x201d;, &#x201c;we&#x201d;, &#x201c;us&#x201d; or &#x201c;our&#x201d;) at September 30, 2021, the unaudited consolidated statements of operations and comprehensive income for the three and nine months ended September 30, 2021 and 2020, and the unaudited consolidated statements of cash flows and consolidated statements of equity for the nine months ended September 30, 2021 and 2020, have been prepared in accordance with accounting principles generally accepted in the United States (&#x201c;GAAP&#x201d;) for interim reporting and the rules and regulations for reporting on Quarterly Reports on Form 10-Q.  Because they cover interim periods, the statements and related notes to the financial statements do not include all disclosures and notes normally provided in annual financial statements and, therefore, should be read in conjunction with the Company&#x2019;s Annual Report on Form 10-K for the year ended December 31, 2020.  Interim results are not necessarily indicative of results for a full year.  In the opinion of management, all adjustments, consisting of only recurring accruals, which are necessary to present a fair statement of its consolidated financial position, consolidated changes in equity, consolidated results of operations, and consolidated cash flow for the periods presented, have been made.   The preparation of financial statements often requires the selection of specific accounting methods and policies.  Further, significant estimates and judgments may be required in selecting and applying those methods and policies in the recognition of the assets and liabilities in its consolidated balance sheets, the revenues and expenses in its consolidated statements of operations and comprehensive income, and the information that is contained in its summary of significant accounting policies and notes to consolidated financial statements.  Making these estimates and judgments requires the analysis of information concerning events that may not yet be complete and of facts and circumstances that may change over time.  Accordingly, actual amounts or future results can differ materially from those estimates that the Company includes currently in its consolidated financial statements, summary of significant accounting policies, and notes.  In the preparation of these financial statements and related disclosures, we have assessed the impact that the COVID-19 pandemic has had on our estimates, assumptions, forecasts, and accounting policies.  Because of the essential nature of our business, we do not believe the COVID-19 pandemic had a material impact on our estimates, assumptions and forecasts used in the preparation of our financial statements, although we continue to monitor this closely.  As the COVID-19 pandemic is continuing to evolve, future events and effects related to the COVID-19 pandemic cannot be determined with precision, and actual results could significantly differ from our estimates or forecasts.   There have been no changes to the summary of significant accounting policies previously identified in the Company&#x2019;s Annual Report on Form 10-K for the year ended December 31, 2020.</us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock>
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      id="ct-nonNumeric-dcd48177-f6a4-47b9-9da0-6f8650e9112d">Note 2 &#x2013; Revenue Recognition The following table presents our revenues disaggregated by major source and customer class:                           Three Months Ended Three Months Ended September 30, 2021 September 30, 2020 Water Revenues Wastewater Revenues Natural Gas Revenues Other Revenues Water Revenues Wastewater Revenues Natural Gas Revenues Other RevenuesRevenues from contracts with customers:                       Residential $ 148,247&#160; $ 25,147&#160; $ 49,838&#160; $ - $ 157,387&#160; $ 24,175&#160; $ 46,913&#160; $ -Commercial   42,318&#160;   5,839&#160;   9,534&#160;   -   41,693&#160;   4,794&#160;   7,993&#160;   -Fire protection  8,866&#160;   -   -   -   8,535&#160;   -   -   -Industrial  8,217&#160;   401&#160;   415&#160;   -   9,022&#160;   388&#160;   1,407&#160;   -Gas transportation &amp; storage  -   -   27,794&#160;   -   -   -   26,248&#160;   -Other water  14,539&#160;   -   -   -   9,524&#160;   -   -   -Other wastewater  -   2,495&#160;   -   -   -   1,462&#160;   -   -Customer rate credits  -   -   -   -   (3,757)   (323)   -   -Other utility  -   -   7,488&#160;   3,241&#160;   -   -   5,763&#160;   6,548&#160;Revenues from contracts with customers  222,187&#160;   33,882&#160;   95,069&#160;   3,241&#160;   222,404&#160;   30,496&#160;   88,324&#160;   6,548&#160;Alternative revenue program  527&#160;   22&#160;   -   -   (341)   (143)   -   -Other and eliminations  -   -   -   6,932&#160;   -   -   556&#160;   803&#160;Consolidated$ 222,714&#160; $ 33,904&#160; $ 95,069&#160; $ 10,173&#160; $ 222,063&#160; $ 30,353&#160; $ 88,880&#160; $ 7,351&#160;                         Nine Months Ended Nine Months Ended September 30, 2021 September 30, 2020 Water Revenues Wastewater Revenues  Natural Gas RevenuesOther Revenues Water Revenues Wastewater Revenues Natural Gas Revenues Other RevenuesRevenues from contracts with customers:                       Residential $ 425,519&#160; $ 73,820&#160; $ 347,790&#160; $ - $ 431,022&#160; $ 70,421&#160; $ 156,004&#160; $ -Commercial   113,473&#160;   16,102&#160;   65,404&#160;   -   108,311&#160;   14,186&#160;   23,887&#160;   -Fire protection  26,830&#160;   -   -   -   26,437&#160;   -   -   -Industrial  22,954&#160;   1,256&#160;   1,894&#160;   -   22,597&#160;   1,230&#160;   3,721&#160;   -Gas transportation &amp; storage  -   -   143,387&#160;   -   -   -   75,951&#160;   -Other water  37,696&#160;   -   -   -   23,378&#160;   -   -   -Other wastewater  -   6,808&#160;   -   -   -   3,449&#160;   -   -Customer rate credits  -   -   -   -   (3,757)   (323)   -   -Other utility  -   -   22,639&#160;   10,556&#160;   -   -   12,672&#160;   16,088&#160;Revenues from contracts with customers  626,472&#160;   97,986&#160;   581,114&#160;   10,556&#160;   607,988&#160;   88,963&#160;   272,235&#160;   16,088&#160;Alternative revenue program  1,357&#160;   18&#160;   206&#160;   -   (281)   (248)   154&#160;   -Other and eliminations  -   -   -   24,748&#160;   -   -   1,409&#160;   2,392&#160;Consolidated$ 627,829&#160; $ 98,004&#160; $ 581,320&#160; $ 35,304&#160; $ 607,707&#160; $ 88,715&#160; $ 273,798&#160; $ 18,480&#160;                         On March 16, 2020, the Company completed the Peoples Gas Acquisition, which expanded the Company&#x2019;s regulated utility business, to include natural gas distribution. The natural gas revenues of Peoples are included for the period since the date of the acquisition.&#x200e;  Revenues from Contracts with Customers &#x2013; These revenues are composed of four main categories:  water, wastewater, natural gas, and other.  Water revenues represent revenues earned for supplying customers with water service.  Wastewater revenues represent revenues earned for treating wastewater and releasing it into the environment.  Natural gas revenues represent revenues earned for the gas commodity and delivery of natural gas to customers.  Other revenues are associated fees that relate to our utility businesses but are not water, wastewater, or natural gas revenues.  Refer to the description below for a discussion of the performance obligation for each of these revenue streams. Tariff Revenues &#x2013; These revenues are categorized by customer class:  residential, commercial, fire protection, industrial, gas transportation, other water and other wastewater.  The rates that generate these revenues are approved by the respective state utility commission, and revenues are billed cyclically and accrued for when unbilled.  The regulated natural gas rates are set and adjusted for increases or decreases in our purchased gas costs through purchased gas adjustment mechanisms. Purchased gas adjustment mechanisms provide us with a means to recover purchased gas costs on an ongoing basis without filing a rate case.  Other water and other wastewater revenues consist primarily of fines, penalties, surcharges, and availability lot fees.  Our performance obligation for tariff revenues is to provide potable water, wastewater treatment service, or delivery and sale of natural gas to customers.  This performance obligation is satisfied over time as the services are rendered.  The amounts that the Company has a right to invoice for tariff revenues reflect the right to consideration from the customers in an amount that corresponds directly with the value transferred to the customer for the performance completed to date.      Other Utility Revenues &#x2013; Other utility revenues represent revenues earned primarily from:  antenna revenues, which represent fees received from telecommunication operators that have put cellular antennas on our water towers; operation and maintenance and billing contracts, which represent fees earned from municipalities for our operation of their water or wastewater treatment services or performing billing services; fees earned from developers for accessing our water mains; miscellaneous service revenue from gas distribution operations; gas processing and handling revenue; sales of natural gas at market-based rates and contracted fixed prices; sales of gas purchased from third parties; and other gas marketing activities.  The performance obligations vary for these revenues, but all are primarily recognized over time as the service is delivered.  Alternative Revenue Program:  &#xf0b7;Water / Wastewater Revenues:  These revenues represent the difference between the actual billed utility volumetric water and wastewater revenues for Aqua Illinois and the revenues set in the last Aqua Illinois rate case.  In accordance with the Illinois Commerce Commission, we recognize revenues based on the target amount established in the last rate case, and then record either a regulatory asset or liability based on the cumulative annual difference between the target and actual amounts billed, which results in either a payment from customers or a refund due to customers.  The cumulative annual difference is either refunded to customers or collected from customers over a nine-month period.       &#xf0b7;Natural Gas Revenues:  These revenues represent the weather-normalization adjustment (&#x201c;WNA&#x201d;) mechanism in place for our natural gas customers served in Kentucky.  The WNA serves to minimize the effects of weather on the Company&#x2019;s results for its residential and small commercial natural gas customers.  This regulatory mechanism adjusts revenues earned for the variance between actual and normal weather and can have either positive (warmer than normal) or negative (colder than normal) effects on revenues.  Customer bills are adjusted in the December through April billing months, with rates adjusted for the difference between actual revenues and revenues calculated under this mechanism billed to the customers.   These revenue programs represent a contract between the utility and its regulators, not customers, and therefore are not within the scope of the Financial Accounting Standards Board&#x2019;s (&#x201c;FASB&#x201d;) accounting guidance for recognizing revenue from contracts with customers. Other and Eliminations &#x2013; Other and eliminations consist of our market-based revenues, which comprises: our non-regulated natural gas operations, Aqua Infrastructure and Aqua Resources (described below) and intercompany eliminations for revenue billed between our subsidiaries.  Our non-regulated natural gas operations consist of utility service line protection solutions and repair services to households and the operations of gas marketing and production entities. Revenue is recognized and the performance obligation is satisfied over time as the service is delivered. Aqua Infrastructure is the holding company for our former 49% investment in a joint venture that operated a private pipeline system to supply raw water to natural gas well drilling operations in the Marcellus Shale of north central Pennsylvania.  Prior to our October 30, 2020 sale of our investment in the joint venture, the joint venture earned revenues through providing non-utility raw water supply services to natural gas drilling companies which enter into water supply contracts.  The performance obligation was to deliver non-potable water to the joint venture&#x2019;s customers.  Aqua Infrastructure&#x2019;s share of the revenues recognized by the joint venture was reflected, net, in equity earnings in joint venture on our consolidated statements of operations and comprehensive income.  Aqua Resources earned revenues by providing non-regulated water and wastewater services through an operating and maintenance contract which concluded in 2020, and continues to earn revenue through third party water and sewer service line protection and repair services.  For the contract operations and maintenance business, the performance obligations were performing agreed upon contract services to operate the water and wastewater system. For the line protection business, the performance obligations are allowing the use of our logo to a third-party water and sewer service line repair provider.  Revenues are primarily recognized over time as service is delivered.&#x200e;</us-gaap:RevenueFromContractWithCustomerTextBlock>
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      id="ct-nonNumeric-e5f282a7-06cb-49f1-b272-8c445db157d0">                         Three Months Ended Three Months Ended September 30, 2021 September 30, 2020 Water Revenues Wastewater Revenues Natural Gas Revenues Other Revenues Water Revenues Wastewater Revenues Natural Gas Revenues Other RevenuesRevenues from contracts with customers:                       Residential $ 148,247&#160; $ 25,147&#160; $ 49,838&#160; $ - $ 157,387&#160; $ 24,175&#160; $ 46,913&#160; $ -Commercial   42,318&#160;   5,839&#160;   9,534&#160;   -   41,693&#160;   4,794&#160;   7,993&#160;   -Fire protection  8,866&#160;   -   -   -   8,535&#160;   -   -   -Industrial  8,217&#160;   401&#160;   415&#160;   -   9,022&#160;   388&#160;   1,407&#160;   -Gas transportation &amp; storage  -   -   27,794&#160;   -   -   -   26,248&#160;   -Other water  14,539&#160;   -   -   -   9,524&#160;   -   -   -Other wastewater  -   2,495&#160;   -   -   -   1,462&#160;   -   -Customer rate credits  -   -   -   -   (3,757)   (323)   -   -Other utility  -   -   7,488&#160;   3,241&#160;   -   -   5,763&#160;   6,548&#160;Revenues from contracts with customers  222,187&#160;   33,882&#160;   95,069&#160;   3,241&#160;   222,404&#160;   30,496&#160;   88,324&#160;   6,548&#160;Alternative revenue program  527&#160;   22&#160;   -   -   (341)   (143)   -   -Other and eliminations  -   -   -   6,932&#160;   -   -   556&#160;   803&#160;Consolidated$ 222,714&#160; $ 33,904&#160; $ 95,069&#160; $ 10,173&#160; $ 222,063&#160; $ 30,353&#160; $ 88,880&#160; $ 7,351&#160;                         Nine Months Ended Nine Months Ended September 30, 2021 September 30, 2020 Water Revenues Wastewater Revenues  Natural Gas RevenuesOther Revenues Water Revenues Wastewater Revenues Natural Gas Revenues Other RevenuesRevenues from contracts with customers:                       Residential $ 425,519&#160; $ 73,820&#160; $ 347,790&#160; $ - $ 431,022&#160; $ 70,421&#160; $ 156,004&#160; $ -Commercial   113,473&#160;   16,102&#160;   65,404&#160;   -   108,311&#160;   14,186&#160;   23,887&#160;   -Fire protection  26,830&#160;   -   -   -   26,437&#160;   -   -   -Industrial  22,954&#160;   1,256&#160;   1,894&#160;   -   22,597&#160;   1,230&#160;   3,721&#160;   -Gas transportation &amp; storage  -   -   143,387&#160;   -   -   -   75,951&#160;   -Other water  37,696&#160;   -   -   -   23,378&#160;   -   -   -Other wastewater  -   6,808&#160;   -   -   -   3,449&#160;   -   -Customer rate credits  -   -   -   -   (3,757)   (323)   -   -Other utility  -   -   22,639&#160;   10,556&#160;   -   -   12,672&#160;   16,088&#160;Revenues from contracts with customers  626,472&#160;   97,986&#160;   581,114&#160;   10,556&#160;   607,988&#160;   88,963&#160;   272,235&#160;   16,088&#160;Alternative revenue program  1,357&#160;   18&#160;   206&#160;   -   (281)   (248)   154&#160;   -Other and eliminations  -   -   -   24,748&#160;   -   -   1,409&#160;   2,392&#160;Consolidated$ 627,829&#160; $ 98,004&#160; $ 581,320&#160; $ 35,304&#160; $ 607,707&#160; $ 88,715&#160; $ 273,798&#160; $ 18,480&#160;                        </us-gaap:DisaggregationOfRevenueTableTextBlock>
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In November 2021, the dispute between the parties regarding the adjustment for utility capital expenditures was resolved in accordance with the provisions of the purchase agreement and an inconsequential payment will be made between the parties.  The purchase price paid by the Company was determined as follows:        Base purchase price$ 4,275,000&#160;Adjustments:  Estimated change in working capital  43,935&#160;Certain estimated capital expenditures  247,500&#160;Assumption of indebtedness  (1,101,091)Cash consideration$ 3,465,344&#160; The assumption of $1,101,091 of indebtedness as of the Closing Date, consisted of $920,091 of senior notes and $181,000 of short-term debt.  The acquisition was financed through a series of financing transactions which included the issuance of common stock from a public offering and a private placement, a tangible equity unit offering, and short and long-term debt.    The Company accounted for the Peoples Gas Acquisition as a business combination using the acquisition method of accounting.  The purchase price was allocated to the net tangible and intangible assets based upon their estimated fair values at the date of the acquisition.  The purchase price allocation was preliminary and was subject to revision through the end of the measurement period on March 15, 2021.  During the first quarter of 2021, the Company recorded an adjustment to increase goodwill by $16,400 primarily reflecting an adjustment to deferred income taxes and the valuation of accounts receivable.  Goodwill recorded for the Peoples Gas Acquisition is not expected to be deductible for tax purposes.  The following table summarizes the purchase price allocation as of the acquisition date and measurement period adjustments as of March 15, 2021:                Amounts    Amounts Previously Measurement Recognized as of Recognized as of Period Acquisition Date Acquisition Date (a) Adjustments (as Adjusted)Property, plant and equipment, net$ 2,476,551&#160; $ - $ 2,476,551&#160;Current assets  242,531&#160;   (9,197)   233,334&#160;Regulatory assets  286,751&#160;   (22,293)   264,458&#160;Goodwill  2,261,047&#160;   16,400&#160;   2,277,447&#160;Other long-term assets  75,071&#160;   -   75,071&#160;Total assets acquired  5,341,951&#160;   (15,090)   5,326,861&#160;         Current portion of long-term debt  5,136&#160;   -   5,136&#160;Loans payable  181,000&#160;   -   181,000&#160;Other current liabilities  186,120&#160;   (200)   185,920&#160;Long-term debt  999,460&#160;   -   999,460&#160;Deferred income taxes  213,647&#160;   (20,522)   193,125&#160;Regulatory liabilities  123,029&#160;   6,389&#160;   129,418&#160;Other long-term liabilities  168,215&#160;   (757)   167,458&#160;Total liabilities assumed  1,876,607&#160;   (15,090)   1,861,517&#160;Net assets acquired$ 3,465,344&#160; $ - $ 3,465,344&#160;          (a)As reported, the Essential Utilities, Inc. Form 10-K for the period ended December 31, 2020.  The Company incurred transaction-related expenses for the Peoples Gas Acquisition, which consisted of costs recorded as operations and maintenance expenses in the first quarter of 2020 of $25,397 primarily representing expenses associated with investment banking fees, including bridge financing, employee related costs, obtaining regulatory approvals, legal expenses, and integration planning.  There were no further transaction-related expenses for the Peoples Gas Acquisition after the first quarter of 2020.   The results of Peoples have been included in our consolidated financial statements as of the Closing Date.  Peoples contributed revenues of $280,300 and earnings of $6,131 for the period from the Closing Date to September 30, 2020.  The following pro forma summary presents consolidated unaudited information as if the Peoples Gas Acquisition had occurred on January 1, 2019:               Three Months Ended Nine Months Ended September 30, 2020  September 30,2020Operating revenues$                             348,647  $                                      1,269,768Net income 55,732  &#160;264,785 The supplemental pro forma information is not necessarily representative of the actual results that may have occurred for the period or of the results that may occur in the future.  This supplemental pro forma information is based upon the historical operating results of Peoples for the period prior to the Closing Date and is adjusted to reflect the effect of non-recurring acquisition-related costs, incurred in 2020 as if they occurred on January 1, 2019.  The adjustments include $20,628 ($25,197 pre-tax) of expenses incurred in 2020, primarily associated with investment banking fees, obtaining regulatory approvals, legal expenses and other direct costs of the Peoples Gas Acquisition, adjustments to reflect net acquisition financing as of January 1, 2019 of $10,700 ($14,342 pre-tax), the elimination of interest on debt that was not assumed in the acquisition of $2,448 ($3,442 pre-tax), and the elimination of a management fee charged quarterly to Peoples by its former parent company of $885 ($1,245 pre-tax).   Associated with the approval of the Peoples Gas Acquisition from the Pennsylvania Public Utility Commission, the Company committed to addressing the replacement of gathering pipe over a seven year timeframe for an estimated cost of $120,000, which will be recoverable through customer rates.  Additionally, the Company committed to provide $23,004 of one-time customer rate credits to its Pennsylvania natural gas utility customers and water and wastewater customers served by Aqua Pennsylvania, Inc. (&#x201c;Aqua Pennsylvania&#x201d;).  The Company granted $4,080 of customer rate credits to its water and wastewater customers during the third quarter of 2020, and $18,924 to its natural gas utility customers in the fourth quarter of 2020 to satisfy the $23,004 commitment. Water and Wastewater Utility Acquisitions - Completed In August 2021, the Company acquired the water utility system assets of The Commons Water Supply, Inc., which serves 992 customers in Harris County, Texas, and the wastewater utility system assets of the Village of Bourbonnais, which serves approximately 6,500 customers in Kankakee County, Illinois. The total cash purchase prices for these utility systems were $4,000 and $32,100, respectively.  In December 2020, the Company acquired the wastewater utility system assets of New Garden Township, Pennsylvania, which serves 1,965 customers.  The total cash purchase price for the utility system was $29,944.    In October 2020, the Company acquired the water and wastewater utility system of Rockwell Utilities, which serves 514 customers in the Village of Lakemoor in Lake County, Illinois.  The total cash purchase price for the utility system was $4,859.   In June 2020, the Company acquired the wastewater utility system assets of East Norriton Township, Pennsylvania, which serves 4,947 customers.  The total cash purchase price for the utility system was $21,000.   In January 2020, the Company acquired the water utility system assets of the City of Campbell, Ohio, which serves 3,126 customers.  The total cash purchase price for the utility system was $7,472.   The purchase price allocation for these acquisitions consisted primarily of acquired property, plant and equipment.   The pro forma effect of the utility systems acquired is not material either individually or collectively to the Company&#x2019;s results of operations.     Water and Wastewater Utility Acquisitions &#x2013; Pending Completion In October 2021, the Company entered into a purchase agreement to acquire the wastewater utility assets of the City of Beaver Falls, Pennsylvania which consists of approximately 7,600 customers for $41,250.In July 2021, the Company entered into a purchase agreement to acquire the water utility assets of Shenandoah Borough, Pennsylvania which consists of approximately 2,930 customers for $12,000.&#160; In April 2021, the Company entered into a purchase agreement to acquire certain water or wastewater utility assets of Oak Brook, Illinois which consists of approximately 2,121 customers for $12,500.  In January 2021, the Company entered into purchase agreements to acquire, in separate transactions, the wastewater utility system assets of East Whiteland Township, Pennsylvania and Willistown Township, Pennsylvania which consist of approximately 10,500 customers for $72,400. In September 2020, the Company entered into a purchase agreement to acquire the wastewater utility system assets of Lower Makefield Township, Pennsylvania, which consists of approximately 11,000 customers for $53,000.   The purchase price for these pending acquisitions are subject to certain adjustments at closing, and are subject to regulatory approval, including the final determination of the fair value of the rate base acquired.  We plan to finance the purchase price of these acquisitions by utilizing our revolving credit facility until permanent debt and common equity are secured.  The closing for the wastewater assets of Lower Makefield Township is expected to occur in the first quarter of 2022, and the closings of our acquisitions of East Whiteland Township and Willistown Township are expected to occur in the second quarter of 2022.  The closings of our Shenandoah and Beaver Falls acquisitions are expected to occur in the second half of 2022. &#160;The closing of our Oak Brook acquisition is expected to occur in the fourth quarter of 2022.  Closing for our utility acquisitions are subject to the timing of the respective regulatory approval processes.     In September 2019, the Company entered into a purchase agreement to acquire the wastewater utility system assets of the Delaware County Regional Water Quality Control Authority (&#x201c;DELCORA&#x201d;), which consists of approximately 16,000 customers, or the equivalent of 198,000 retail customers, in 42 municipalities in Southeast Pennsylvania for $276,500.  In May 2020, Delaware County, Pennsylvania filed a lawsuit alleging that DELCORA does not have the legal authority to establish and fund a customer trust with the net proceeds of the transaction.  In December 2020, the judge in the Delaware County Court lawsuit issued an order that (1) the County cannot interfere with the purchase agreement between DELCORA and the Company; (2) the County cannot terminate DELCORA prior to the closing of the transaction; and (3) that the establishment of the customer trust was valid.  Delaware County appealed this decision to Commonwealth Court of Pennsylvania, where this case is continuing. A three-judge panel heard oral arguments on October 18, 2021; a decision is expected in the next several months.  The administrative law judges in the regulatory approval process recommended that the Company&#x2019;s application be denied, and subsequently, the Company provided exceptions to the recommended decision.  On March 25, 2021, the Pennsylvania Public Utility Commission ruled that the case be remanded back to the Office of Administrative Law Judge and vacated the original administrative law judges&#x2019; decision.  On April 16, 2021, the administrative law judge issued an order staying the proceeding until the Delaware County Court lawsuit is final and unappealable. The purchase price for this pending acquisition is subject to certain adjustments at closing, and is subject to regulatory approval, including the final determination of the fair value of the rate base acquired.  We plan to finance the purchase price of this acquisition by the issuance of common stock and by utilizing our revolving credit facility until permanent debt is secured.  Closing of our acquisition of DELCORA is expected to occur in 2022, subject to the timing of the regulatory approval process and DELCORA&#x2019;s above-referenced litigation with Delaware County.</us-gaap:BusinessCombinationDisclosureTextBlock>
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The Company did not receive any proceeds from the sale of its common stock by the forward purchaser until settlement of the shares underlying the forward equity sale agreement.  The actual proceeds to be received by the Company would have varied depending upon the settlement date, the number of shares designated for settlement on that settlement date and the method of settlement.  The forward equity sale agreement was accounted for as an equity instrument and was recorded at a fair value of $0 at inception.  The fair value was not adjusted as the Company continued to meet the accounting requirements for equity instruments. On August 9, 2021, the Company settled the forward equity sale agreement in full by physical share settlement.  The Company issued 6,700,000 shares and received cash proceeds of $299,739 at a forward price of $44.74 per share.  Pursuant to the agreement, the forward price was computed based upon the initial forward price of $46.00 per share, adjusted for a floating interest rate factor equal to a specified daily rate less a spread and scheduled dividends during the term of the agreement.   The Company used the proceeds received upon settlement of the forward equity sale agreement to fund general corporate purposes, including for water and wastewater acquisitions, working capital and capital expenditures. The forward equity sale agreement has now been completely settled, and there are no additional shares subject to the forward equity sale agreement. Private Placement  On March 29, 2019, the Company entered into a Stock Purchase Agreement (the &#x201c;Stock Purchase Agreement&#x201d;) with Canada Pension Plan Investment Board (the &#x201c;Investor&#x201d;), pursuant to which the Company agreed to issue and sell to the Investor in a private placement (the &#x201c;Private Placement&#x201d;) 21,661,095 newly issued shares of common stock, par value $0.50 per share (the &#x201c;Common Stock&#x201d;).  On March 16, 2020, in connection with the closing of the Peoples Gas Acquisition, the Company closed on the Private Placement and received gross proceeds of $749,907, less expenses of $20,606.  In June 2021, the Company filed a registration statement on Form S-3 ASR registering the Private Placement shares for resale. The shares issued and sold to the Investor pursuant to the Private Placement were to be priced at the lower of (1) $34.62, which represents a 4.5% discount to the trailing 20 consecutive trading day volume weighted average price of the Common Stock ending on, and including, March 28, 2019, and (2) the volume weighted average price per share in the Company&#x2019;s subsequent public offering of Common Stock to fund a portion of the Peoples Gas Acquisition.    The Stock Purchase Agreement contains customary representations, warranties and covenants of the Company and the Investor, and the parties have agreed to indemnify each other for losses related to breaches of their respective representations and warranties.  At the closing of the Private Placement, the Company reimbursed the Investor for reasonable out-of-pocket diligence expenses of $4,000.   Tangible Equity Unit Issuances On April 23, 2019, the Company issued $690,000, less expenses of $16,358, of its tangible equity units (the &#x201c;Units&#x201d;), with a stated amount of $50 per unit.  This issuance was part of the permanent financing to close the Peoples Gas Acquisition.   Each Unit consists of a prepaid stock purchase contract and an amortizing note due April 30, 2022, each issued by the Company.  Unless earlier settled or redeemed, each stock purchase contract will automatically settle on April 30, 2022 (subject to postponement in limited circumstances) for between 1.1790 and 1.4442 shares of the Company&#x2019;s common stock, subject to adjustment, based upon the applicable market value of the common stock, as described in the final prospectus supplement relating to the Units.  During the nine months ended September 30, 2021, 107,904 stock purchase contracts were early settled by the holders of the contracts, resulting in the issuance of 127,749 shares of the Company&#x2019;s common stock.  As of September 30, 2021, the balance of stock purchase contracts is 7,603,234. The amortizing notes have an initial principal amount of $8.62909, or $119,081 in aggregate, and bear interest at a rate of 3.00% per year, and pay equal quarterly cash installments of $0.75000 per amortizing note (except for the July 30, 2019 installment payment, which was $0.80833 per amortizing note), that will constitute a payment of interest and a partial repayment of principal, and which cash payment in the aggregate will be equivalent to 6.00% per year with respect to each $50 stated amount of the Units.  The amortizing notes represent unsecured senior obligations of the Company.   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The three levels of the fair value hierarchy are as follows:    lLevel 1:  unadjusted quoted prices in active markets for identical assets or liabilities that the Company has the ability to access;&#160;  lLevel 2:  inputs other than Level 1 that are observable, either directly or indirectly, such as quoted market prices in active markets for similar assets or liabilities, quoted prices for identical or similar assets or liabilities in non-active markets, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; or&#160;  lLevel 3:  inputs that are unobservable and significant to the fair value measurement.&#160; The asset&#x2019;s or liability&#x2019;s fair value measurement level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement.  Valuation techniques used need to maximize the use of observable inputs and minimize the use of unobservable inputs.  There have been no changes in the valuation techniques used to measure fair value, or asset or liability transfers between the levels of the fair value hierarchy for the quarter ended September 30, 2021.&#160; Financial instruments are recorded at carrying value in the financial statements and approximate fair value as of the dates presented. &#160;The fair value of these instruments is disclosed below in accordance with current accounting guidance related to financial instruments.&#160; The fair value of loans payable is determined based on its carrying amount and utilizing Level 1 methods and assumptions.  As of September 30, 2021 and December 31, 2020, the carrying amount of the Company&#x2019;s loans payable was $46,582 and $78,198, respectively, which equates to their estimated fair value.  The fair value of cash and cash equivalents, is determined based on Level 1 methods and assumptions.  As of September 30, 2021 and December 31, 2020, the carrying amounts of the Company's cash and cash equivalents was $9,736 and $4,827, respectively, which equates to their fair value.  The Company&#x2019;s assets underlying the deferred compensation and non-qualified pension plans are determined by the fair value of mutual funds, which are based on quoted market prices from active markets utilizing Level 1 methods and assumptions.  As of September 30, 2021 and December 31, 2020, the carrying amount of these securities was $28,895 and $25,780, respectively, which equates to their fair value, and is reported in the consolidated balance sheet in deferred charges and other assets.    Unrealized gain and losses on equity securities held in conjunction with our non-qualified pension plan is as follows:                              Three Months Ended Nine Months Ended  September 30, September 30,  2021 2020 2021 2020Net gain recognized during the period on equity securities $ 196 $ 305 $ 695 $ 244Less:  net gain / loss recognized during the period on equity securities sold during the period   -   -   -   -Unrealized gain recognized during the reporting period on equity securities still held at the reporting date $ 196 $ 305 $ 695 $ 244 The net gain (loss) recognized on equity securities is presented on the consolidated statements of operations and comprehensive income on the line item &#x201c;Other.&#x201d;   The carrying amounts and estimated fair values of the Company&#x2019;s long-term debt is as follows:                  September 30, December 31,  2021 2020Carrying amount $ 5,702,379 $ 5,630,243Estimated fair value   6,299,160   6,366,030&#160; The fair value of long-term debt has been determined by discounting the future cash flows using current market interest rates for similar financial instruments of the same duration utilizing Level 2 methods and assumptions.   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      id="ct-nonNumeric-3aa849ad-8f1f-4606-ab33-62f40471729d">Note 9 &#x2013; Stock-based Compensation&#160; Under the Company&#x2019;s Amended and Restated Equity Compensation Plan (the &#x201c;Plan&#x201d;) approved by the Company&#x2019;s shareholders on May 2, 2019, to replace the 2004 Equity Compensation Plan, stock options, stock units, stock awards, stock appreciation rights, dividend equivalents, and other stock-based awards may be granted to employees, non-employee directors, and consultants and advisors.  The Plan authorizes 6,250,000 shares for issuance under the Plan.  A maximum of 3,125,000 shares under the Plan may be issued pursuant to stock awards, stock units and other stock-based awards, subject to adjustment as provided in the Plan.  During any calendar year, no individual may be granted (i) stock options and stock appreciation rights under the Plan for more than 500,000 shares of Company stock in the aggregate or (ii) stock awards, stock units or other stock-based awards under the Plan for more than 500,000 shares of Company stock in the aggregate, subject to adjustment as provided in the Plan.  Awards to employees and consultants under the Plan are made by a committee of the Board of Directors of the Company, except that with respect to awards to the Chief Executive Officer, the committee recommends those awards for approval by the non-employee directors of the Board of Directors.  In the case of awards to non-employee directors, the Board of Directors makes such awards.  At September 30, 2021, 1,955,579 shares were still available for issuance under the Plan.  No further grants may be made under the Company&#x2019;s 2004 Equity Compensation Plan.    &#160;&#160;Performance Share Units &#x2013; A performance share unit (&#x201c;PSU&#x201d;) represents the right to receive a share of the Company&#x2019;s common stock if specified performance goals are met over the three year performance period specified in the grant, subject to exceptions through the respective vesting period, which is generally three years.  Each grantee is granted a target award of PSUs and may earn between 0% and 200% of the target amount depending on the Company&#x2019;s performance against the performance goals.  The following table provides compensation costs for stock-based compensation related to PSUs:                               Three Months Ended Nine Months Ended  September 30, September 30,  2021 2020 2021 2020Stock-based compensation within operations and maintenance expenses $ 1,285 $ 918 $ 4,216 $ 2,364Income tax benefit   365   252   1,191   660  The following table summarizes the PSU transactions for the nine months ended September 30, 2021: &#160;                   Number Weighted   of Average   Share Units Fair ValueNonvested share units at beginning of period   283,007 $ 34.57Granted   152,068   43.18Performance criteria adjustment   27,643   53.62Forfeited   (5,588)   45.84Share units issued   (141,328)   31.36Nonvested share units at end of period   315,802   41.51       &#160;&#160;A portion of the fair value of PSUs was estimated at the grant date based on the probability of satisfying the market-based conditions using the Monte Carlo valuation method, which assesses probabilities of various outcomes of market conditions.  The other portion of the fair value of the PSUs is based on the fair market value of the Company&#x2019;s stock at the grant date, regardless of whether the market-based condition is satisfied.  The per unit weighted-average fair value at the date of grant for PSUs granted during the nine months ended September 30, 2021 and 2020 was $43.18 and $55.43, respectively.  The fair value of each PSU grant is amortized monthly into compensation expense on a straight-line basis over their respective vesting periods, generally 36 months.  The accrual of compensation costs is based on the Company&#x2019;s estimate of the final expected value of the award and is adjusted as required for the portion based on the performance-based condition.  The Company assumes that forfeitures will be minimal, and recognizes forfeitures as they occur, which results in a reduction in compensation expense.  As the payout of the PSUs includes dividend equivalents, no separate dividend yield assumption is required in calculating the fair value of the PSUs.  The recording of compensation expense for PSUs has no impact on net cash flows.  &#160; Restricted Stock Units &#x2013; A restricted stock unit (&#x201c;RSU&#x201d;) represents the right to receive a share of the Company&#x2019;s common stock.  RSUs are eligible to be earned at the end of a specified restricted period, which is generally three years, beginning on the date of grant.  The Company assumes that forfeitures will be minimal and recognizes forfeitures as they occur, which results in a reduction in compensation expense.  As the payout of the RSUs includes dividend equivalents, no separate dividend yield assumption is required in calculating the fair value of the RSUs.  The following table provides the compensation cost and income tax benefit for stock-based compensation related to RSUs:                             Three Months Ended Nine Months Ended  September 30, September 30,  2021 2020 2021 2020Stock-based compensation within operations and maintenance expenses $ 724 $ 550 $ 2,089 $ 1,582Income tax benefit   205   148   586   438&#160;  The following table summarizes the RSU transactions for the nine months ended September 30, 2021:&#160;                   Number Weighted   of Average   Stock Units Fair ValueNonvested stock units at beginning of period   163,906 $ 40.80Granted   85,829   44.44Stock units vested and issued   (49,692)   35.33Forfeited   (3,325)   43.30Nonvested stock units at end of period   196,718   43.72&#160; The per unit weighted-average fair value at the date of grant for RSUs granted during the nine months ended September 30, 2021 and 2020 was $44.44 and $49.40, respectively. &#160; Stock Options &#x2013; A stock option represents the option to purchase a number of shares of common stock of the Company as specified in the stock option grant agreement at the exercise price per share as determined by the closing market price of our common stock on the grant date.  Stock options are exercisable in installments of 33% annually, starting one year from the grant date and expire 10 years from the grant date, subject to satisfaction of designated performance goals.  The fair value of each stock option is amortized into compensation expense using the graded-vesting method, which results in the recognition of compensation costs over the requisite service period for each separately vesting tranche of the stock options as though the stock options were, in substance, multiple stock option grants.  The following table provides the compensation cost and income tax benefit for stock-based compensation related to stock options:                             Three Months Ended Nine Months Ended  September 30,  September 30,  2021 2020 2021 2020Stock-based compensation within operations and maintenance expenses $ 94 $ 279 $ 395 $ 1,046Income tax benefit   27   79   113   296              The Company did not grant stock options for the nine months ended September 30, 2021 and 2020.   The following table summarizes stock option transactions for the nine months ended September 30, 2021:                           Weighted Weighted       Average Average Aggregate    Exercise Remaining Intrinsic  Shares Price Life (years) ValueOutstanding at beginning of period  948,270 $ 35.22     Granted  -   -     Forfeited  (7,219)   35.91     Expired   (984)   33.93     Exercised  (97,659)   33.72     Outstanding at end of period  842,408 $ 35.22 7.1   9,009,081           Exercisable at end of period  609,410 $ 35.17 7.0   6,650,661&#160; Restricted Stock &#x2013; Restricted stock awards provide the grantee with the rights of a shareholder, including the right to receive dividends and to vote such shares, but not the right to sell or otherwise transfer the shares during the restriction period.  Restricted stock awards result in compensation expense that is equal to the fair market value of the stock on the date of the grant and is amortized ratably over the restriction period.  The Company expects forfeitures of restricted stock to be de minimis.  The following table provides the compensation cost and income tax benefit for stock-based compensation related to restricted stock:                 Three Months Ended Nine Months Ended  September 30, September 30,  2021 2020 2021 2020Stock-based compensation within operations and maintenance expenses $ 11 $ 103 $ 117 $ 220Income tax benefit   3   30   34   64 The following table summarizes restricted stock transactions for the nine months ended September 30, 2021:          Number Weighted  of Average  Shares Fair ValueNonvested restricted stock at beginning of period  13,228 $ 34.02Granted  1,068   46.83Vested  (13,228)   34.02Nonvested restricted stock at end of period  1,068 $ 46.83  The weighted-average fair value at the date of the grant for restricted stock awards granted during the nine months ended September 30, 2021 and 2020 was $46.83 and $34.02, respectively.  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The eight water and wastewater utility operating segments are aggregated into one reportable segment, because each of these operating segments has the following similarities: economic characteristics, nature of services, production processes, customers, water distribution or wastewater collection methods, and the nature of the regulatory environment.  The Regulated Natural Gas segment is comprised of one operating segment representing natural gas utility companies, acquired in the Peoples Gas Acquisition, for which the Company provides natural gas distribution services.   In addition to the Company&#x2019;s two reportable segments, we include three of our operating segments within the Other category below.  These segments are not quantitatively significant and are comprised of our non-regulated natural gas operations, Aqua Infrastructure, and Aqua Resources.  Our non-regulated natural gas operations consist of utility service line protection solutions and repair services to households and the operation of gas marketing and production entities.  Prior to our October 30, 2020 sale of investment in joint venture, Aqua Infrastructure provided non-utility raw water supply services for firms in the natural gas drilling industry.  Aqua Resources offers, through a third party, water and sewer service line protection solutions and repair services to households.  In addition to these segments, Other is comprised of business activities not included in the reportable segments, including corporate costs that have not been allocated to the Regulated Water and Regulated Natural Gas segments and intersegment eliminations.  Corporate costs include general and administrative expenses, and interest expense.  The Company reports these corporate costs within Other as they relate to corporate-focused responsibilities and decisions and are not included in internal measures of segment operating performance used by the Company to measure the underlying performance of the operating segments.   The regulated water and regulated natural gas segments report interest expense that includes long-term debt that was pushed-down to the regulated operating subsidiaries from Essential Utilities, Inc.   The following table presents information about the Company&#x2019;s reportable segments, including the operating results and capital expenditures of the Regulated Natural Gas segment for the period since the completion of the Peoples Gas Acquisition on March 16, 2020:                                                       Three Months Ended Three Months Ended  September 30, 2021 September 30, 2020  Regulated Water Regulated Natural Gas Other Consolidated Regulated Water Regulated Natural Gas Other ConsolidatedOperating revenues $ 259,859&#160; $ 94,752&#160; $ 7,249&#160; $ 361,860&#160; $ 255,725&#160; $ 88,880&#160; $ 4,042&#160; $ 348,647&#160;Operations and maintenance expense   86,923&#160;   53,954&#160;   (1,522)   139,355&#160;   79,313&#160;   59,560&#160;   (2,699)   136,174&#160;Purchased gas   -   20,386&#160;   5,102&#160;   25,488&#160;   -   14,841&#160;   1,903&#160;   16,744&#160;Depreciation and amortization   45,506&#160;   28,194&#160;   807&#160;   74,507&#160;   42,955&#160;   25,793&#160;   1,193&#160;   69,941&#160;Taxes other than income taxes   16,291&#160;   4,271&#160;   496&#160;   21,058&#160;   15,906&#160;   4,145&#160;   504&#160;   20,555&#160;Operating income (loss)   111,139&#160;   (12,053)   2,366&#160;   101,452&#160;   117,551&#160;   (15,459)   3,141&#160;   105,233&#160;Interest expense, net   27,389&#160;   18,406&#160;   5,772&#160;   51,567&#160;   27,063&#160;   9,333&#160;   13,351&#160;   49,747&#160;Allowance for funds used during construction   (5,407)   (675)   -   (6,082)   (3,082)   (461)   -   (3,543)Equity loss in joint venture   -   -   -   -   -   -   3,626&#160;   3,626&#160;Other   (1,896)   5,329&#160;   266&#160;   3,699&#160;   110&#160;   (761)   (3,709)   (4,360)Income before income taxes   91,053&#160;   (35,113)   (3,672)   52,268&#160;   93,460&#160;   (23,570)   (10,127)   59,763&#160;Provision for income taxes (benefit)   9,230&#160;   (6,821)   (644)   1,765&#160;   8,081&#160;   (1,219)   (2,831)   4,031&#160;Net income (loss) $ 81,823&#160; $ (28,292) $ (3,028) $ 50,503&#160; $ 85,379&#160; $ (22,351) $ (7,296) $ 55,732&#160;                                                      Nine Months Ended Nine Months Ended  September 30, 2021 September 30, 2020  Regulated Water Regulated Natural Gas Other Consolidated Regulated Water Regulated Natural Gas Other ConsolidatedOperating revenues $ 736,389&#160; $ 579,429&#160; $ 26,639&#160; $ 1,342,457&#160; $ 706,008&#160; $ 273,798&#160; $ 8,894&#160; $ 988,700&#160;Operations and maintenance expense   243,071&#160;   157,614&#160;   (8,740)   391,945&#160;   229,652&#160;   120,192&#160;   21,571&#160;   371,415&#160;Purchased gas   -   183,062&#160;   19,476&#160;   202,538&#160;   -   68,807&#160;   4,127&#160;   72,934&#160;Depreciation and amortization   136,189&#160;   83,905&#160;   1,529&#160;   221,623&#160;   127,214&#160;   56,026&#160;   2,838&#160;   186,078&#160;Taxes other than income taxes   47,756&#160;   13,356&#160;   2,107&#160;   63,219&#160;   45,292&#160;   8,799&#160;   2,333&#160;   56,424&#160;Operating income (loss)   309,373&#160;   141,492&#160;   12,267&#160;   463,132&#160;   303,850&#160;   19,974&#160;   (21,975)   301,849&#160;Interest expense, net   80,971&#160;   56,125&#160;   16,551&#160;   153,647&#160;   78,500&#160;   21,260&#160;   31,544&#160;   131,304&#160;Allowance for funds used during construction   (13,091)   (831)   -   (13,922)   (7,905)   (816)   -   (8,721)Equity loss in joint venture   -   -   -   -   -   -   3,283&#160;   3,283&#160;Other   (5,265)   4,462&#160;   (1,213)   (2,016)   477&#160;   (1,516)   (2,489)   (3,528)Income before income taxes   246,758&#160;   81,736&#160;   (3,071)   325,423&#160;   232,778&#160;   1,046&#160;   (54,313)   179,511&#160;Provision for income taxes (benefit)   22,056&#160;   (11,128)   (611)   10,317&#160;   18,402&#160;   (8,131)   (12,902)   (2,631)Net income (loss) $ 224,702&#160; $ 92,864&#160; $ (2,460) $ 315,106&#160; $ 214,376&#160; $ 9,177&#160; $ (41,411) $ 182,142&#160;Capital expenditures $ 404,894&#160; $ 269,958&#160; $ 993&#160; $ 675,845&#160; $ 376,064&#160; $ 134,632&#160; $ 43,445&#160; $ 554,141&#160;                                                                                      September 30, December 31,  2021 2020Total assets:      Regulated water $ 8,301,201 $ 7,838,034Regulated natural gas   5,748,774   5,303,507Other   186,510   563,736Consolidated $ 14,236,485 $ 13,705,277        &#160;</us-gaap:SegmentReportingDisclosureTextBlock>
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      id="ct-nonNumeric-470a3749-ee4e-411b-abe1-da8b5bd37dee">Note 15 &#x2013; Income Taxes  On March 16, 2020, the Company completed the Peoples Gas Acquisition.  On March 31, 2020, the Company changed the method of tax accounting for certain qualifying infrastructure investments at its Peoples Natural Gas subsidiary, its largest natural gas subsidiary in Pennsylvania.  This change allows a tax deduction for qualifying utility asset improvement costs that were formerly capitalized for tax purposes.  The Company is performing an analysis to determine the ultimate amount of qualifying utility asset improvement costs eligible to be deducted under the IRS&#x2019;s final tangible property regulations that will be reflected on its 2021 and 2020 Federal Tax Return.&#160; As a result, the Company has estimated a portion of its infrastructure investment at Peoples Natural Gas since the acquisition date that will qualify as a utility system repairs deduction for&#160;2021 and 2020.&#160; Consistent with the Company&#x2019;s accounting for differences between book and tax expenditures in Pennsylvania, the Company is utilizing the flow-through method to account for this timing difference.  The Company completed its analysis of the income tax benefits for qualifying capital expenditures made prior to March 16, 2020 (&#x201c;catch-up adjustment&#x201d;) and recorded a regulatory liability of $160,655 for these tax benefits. In August 2020, the Company filed a petition with the Pennsylvania Public Utility Commission proposing treatment of the catch-up adjustment.  On March 11, 2021, the Company and the statutory advocates filed a Joint Petition of Settlement (&#x201c;Settlement&#x201d;) representing a settlement of the parties, and, on May 6, 2021, it was approved by the Pennsylvania Public Utility Commission.  The Settlement stipulates, among other points, that the catch-up adjustment be provided to utility customers over a five-year period, and the Company can continue to use flow-through accounting for the current tax repair benefit until its next base rate case.  The five-year customer surcredit for the catch-up adjustment was initiated in August 2021.   In addition, the Company contributed $500 to a customer-bill payment assistance program in July 2021 and in December 2021, will provide $5,000 in relief to past-due accounts for natural gas customers impacted by the COVID-19 pandemic.        The Company&#x2019;s effective tax rate was 3.4% and 3.2% for the three and nine months ended September 30, 2021, respectively. &#160;The Company&#x2019;s effective tax rate was 6.7% and (1.5)% for the three and nine months ended September 30, 2020, respectively.&#160; The decrease in the effective tax rate for the third quarter is primarily attributed to an increase in our income tax benefit associated with the tax deduction for qualifying infrastructure.&#160; The increase in the effective tax rate for the nine months ended September 30, 2021 over the first nine months of 2020 is due to an increase in income taxed at the statutory Federal and State tax rates partially offset by an increase in the income tax benefit associated with the tax deduction for qualifying infrastructure.  The statutory Federal tax rate is 21% for the three and nine months ended September 30, 2021 and 2020.  For states with a corporate net income tax, the state corporate net income tax rates range from 2.5% to 9.9% for all periods presented.  In determining its interim tax provision, the Company reflects its estimated permanent and flow-through tax differences for the taxable year, including the basis difference for the adoption of the tangible property regulations.  Qualifying utility asset improvement costs and the amortization of excess deferred income taxes caused the year-to-date effective tax rate to be significantly different from the statutory rate. In connection with the completion of the Peoples Gas Acquisition, the Company identified changes to acquired deferred tax asset valuation allowances or liabilities related to uncertain tax positions during the one year measurement period, which related to new information obtained about facts and circumstances that existed as of the acquisition date.  Those changes are considered a measurement-period adjustment, and an offset was recorded as an adjustment to goodwill.  The Company records all other changes to deferred tax asset valuation allowances and liabilities related to uncertain tax positions in current-period income tax expense.&#160;</us-gaap:IncomeTaxDisclosureTextBlock>
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      id="ct-nonNumeric-b80bcdbb-cf96-4d32-a5c8-528f20083db0">Note 16 &#x2013; Recent Accounting Pronouncements  &#160; Pronouncements to be adopted upon the effective date: In August 2020, the FASB issued updated accounting guidance on accounting for convertible instruments and contracts in an entity&#x2019;s own equity.  The updated guidance reduces the number of accounting models for convertible debt and convertible preferred stock instruments and makes certain disclosure amendments intended to improve the information provided to users.  Additionally, the guidance also amends the derivative guidance for the &#x201c;own stock&#x201d; scope exception, which exempts qualifying instruments from being accounted for as derivatives if certain criteria are met.  Further, the standard changes the way certain convertible instruments are treated when calculating earnings per share.  The updated accounting guidance is effective for fiscal years beginning after December 15, 2021 with early adoption permitted beginning in 2021.  The Company is evaluating the requirements of the updated guidance to determine the impact of adoption.    In March 2020, the FASB issued accounting guidance that provides companies with optional guidance, including expedients and exceptions for applying generally accepted accounting principles to contracts and other transactions affected by reference rate reform, such as the London Interbank Offered Rate (LIBOR).   In January 2021, the FASB clarified the scope of that accounting standards update with additional guidance for reference rate reform on financial reporting. The accounting guidance was effective upon issuance and generally can be applied to applicable contract modifications through December 31, 2022.  The Company is evaluating the impact of this accounting guidance.   Pronouncement adopted during the year:  In December 2019, the FASB issued updated accounting guidance that simplifies the accounting for income taxes.  The updated guidance removes certain exceptions to the general principles of accounting for income taxes to reduce the cost and complexity of its application, including the accounting for intraperiod tax allocation when there is a loss from continuing operations and income or a gain from other items, deferred tax liabilities for equity method investments when a foreign subsidiary becomes an equity method investment or when a foreign equity method investment becomes a subsidiary, and calculating income taxes in an interim period when a year-to-date loss exceeds the anticipated loss for the year.  Additionally, the updated guidance clarifies and amends the existing guidance over accounting for franchise taxes and other taxes partially based on income, an entity&#x2019;s tax basis of goodwill, separate entity financial statements, interim recognition of enactment of tax laws or rate changes, and improvements to the Codification for income taxes related to employee stock ownership plans and investments in qualified affordable housing projects accounted for using the equity method.  As permitted, we adopted this updated guidance on January 1, 2021, which did not have a material impact on our consolidated financial statements. &#160;</us-gaap:ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock>
</xbrl>
