On July 31, 2026, the Utah Public Service Commission (UPSC) approved a settlement resolving Rocky Mountain Power’s appeal of the Commission’s 2025 general rate case and Energy Balancing Account (EBA) decisions.
The settlement follows Rocky Mountain Power’s appeal of the UPSC’s April 2025 general rate case (and consolidated dockets) order to the Utah Supreme Court. In June 2026, Rocky Mountain Power, the Division of Public Utilities, Office of Consumer Services, Utah Association of Energy Users, Utah Large Customer Group, and UPSC executed a settlement stipulation and agreed to stay the appeal and seek a limited remand to the UPSC so that the Utah Commission could consider and approve the settlement. The Utah Supreme Court granted the remand on July 1, 2026.
Under the settlement, Rocky Mountain Power will receive an additional $93 million in annual revenue requirement above the amount approved in the Commission’s 2025 general rate case ($87.2 million revenue requirement increase). The increase consists of $34 million for capital structure, $15.4 million for return on equity, $34 million for liability insurance, and $9.6 million for wildland fire mitigation.
In exchange, Rocky Mountain Power agreed not to file another Utah general rate case with a rate-effective date before January 1, 2029 (“stay-out period”). The settlement also establishes an earnings-sharing mechanism through the end of 2028. If Rocky Mountain Power’s actual earnings exceed a 9.65 percent return on equity, the company will share a portion of those earnings with customers—50 percent of earnings up to 50 basis points above the 9.65 percent threshold (10.15 percent) and 75 percent of earnings above that level.
The settlement also includes a commitments by Rocky Mountain Power to invest approximately $2.2 billion in infrastructure in Utah before the end of the stay-out period; increases the Low-Income Lifeline monthly credit from $18 to $19 (roughly in line with the average residential increase as a result of the rate case and settlement); and allows Rocky Mountain Power to recover an additional $9.6 million in wildland fire mitigation costs on an interim basis from July 2026 through June 2027. Those costs remain subject to future review, and amounts later determined not to have been prudently incurred will be credited back to customers.
The UPSC’s April 2025 order also approved an unopposed settlement stipulation resolving issues in Phase II of the general rate case, addressing cost of service and customer class pricing issues. Sanger Greene PC (Irion Sanger and Diego Rivas) represented Stadion LLC in the Rocky Mountain Power general rate case. Stadion LLC is a wholly-owned subsidiary of Meta Platforms, Inc. Meta has ambitious climate and renewable energy goals, including sourcing 100 percent of its global operations from renewable energy and achieving net zero greenhouse gas emissions across its value chain by 2030.