2020-034 - Atmos Energy Rate Adjustment - 2020 Rate Review

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August 17, 2020 MODEL STAFF REPORT BACKGROUND AND SUMMARY The City, along with 171 other Mid -Texas cities served by Atmos Energy Corporation, Mid - Tex Division ("Atmos Mid -Tex" or "Company"), is a member of the Atmos Cities Steering Committee ("ACSC"). In 2007, ACSC and Atmos Mid -Tex settled a rate application filed by the Company pursuant to Section 104.301 of the Texas Utilities Code for an interim rate adjustment commonly referred to as a GRIP filing (arising out of the Gas Reliability Infrastructure Program legislation). That settlement created a substitute rate review process, referred to as Rate Review Mechanism ("RRM"), as a substitute for future filings under the GRIP statute. Since 2007, there have been several modifications to the original RRM Tariff. The most recent iteration of an RRM Tariff was reflected in an ordinance adopted by ACSC members in 2018. On or about March 31, 2020, the Company filed a rate request pursuant to the RRM Tariff adopted by ACSC members. The Company claimed that its cost -of -service in a test year ending December 31, 2019, entitled it to additional system -wide revenues of $141.2 million. Application of the standards set forth in ACSC's RRM Tariff required Atmos to reduce its request to $136.3 million, $98.7 million of which would be applicable to ACSC members. ACSC's consultants concluded that the system -wide deficiency under the RRM regime should be $111.5 million instead of the claimed $136.3 million. The amount of the $111.5 million deficiency applicable to ACSC members would be $80.8 million. After the Company reviewed ACSC's consultants' report, ACSC's Executive Committee and the Company negotiated a settlement whereby the Company would receive an increase of $90 million from ACSC Cities, but with a two-month delay in the Effective Date until December 1, 1