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Southwest Gas HOLDINGS Southwest Gas Holdings To Acquire Questar Pipeline From Dominion Energy October 5 , 2021 Acquisition Diversifies Earnings Mix and Strengthens Company Financial Profile Expands Southwest Gas Holdings ' Regulated Business with Strong Cash Flow - Generating Assets Transaction Expected to be Accretive to Earnings per Share in 2022 LAS VEGAS , Oct. 5 , 2021 / PRNewswire / -- Southwest Gas Holdings , Inc. ( NYSE : SWX ) announced today that it has entered into a definitive agreement to acquire Dominion Energy Questar Pipeline , LLC , its subsidiaries and certain associated affiliates , including Overthrust Pipeline , White River Hub and Questar Field Services ( " Questar Pipelines " ) from Dominion Energy , Inc. ( NYSE : D ) . Questar Pipelines is an essential Rocky Mountain energy hub with 2,160 - miles of highly contracted , FERC - regulated interstate natural gas pipelines providing transportation and underground storage services in Utah , Wyoming and Colorado . Southwest Gas TM HOLDINGS Under the terms of the transaction , Southwest Gas Holdings will acquire 100 % of Questar Pipelines for $ 1.545 billion in cash . Southwest Gas Holdings will also assume $ 430 million of Questar Pipelines ' debt . The transaction is expected to be accretive to earnings per share in 2022 ( first full year after close ) . John P. Hester , Southwest Gas Holdings ' President and CEO , said , " The acquisition of Questar Pipelines is a milestone moment for the Company that we believe will provide significant financial and strategic benefits to our company , shareholders , employees and partners , as we continue to significantly increase our role in the transitioning energy landscape . In particular , this transaction further enhances our earnings metrics , further diversifies our business with FERC - regulated infrastructure , secures consistent rate - regulated cash flow , supports dividend growth , and increases our business flexibility for funding our capital needs , thereby creating significant near- and long - term value for shareholders . Further , Questar Pipelines ' exceptional re - contracting record , its high - quality , long - standing customer base and our shared culture of safety , makes it an attractive addition to our regulated business platform . This acquisition accelerates our energy transition strategy by strengthening our ability to provide affordable , low carbon energy to customers while positioning us to transport renewable natural gas , responsibly sourced gas , and eventually , hydrogen and CO2 . " Donald R. Raikes , President of Gas Distribution for Dominion Energy , said , " We are pleased to see this valuable business join forces with Southwest Gas Holdings , a company that shares our culture of safety , reliability and operational excellence and commitment to delivering essential services to customers . Together , these companies will continue to build upon an impressive legacy of delivering quality , essential service to customers in the Rocky Mountain Region , to the benefit of all stakeholders . "