Avista receives approval of all-party, all issues settlement in Idaho rate cases

Avista (AVA) received approval from the Idaho Public Utilities Commission of the all-party, all issues settlement agreement that was filed on June 9, 2025, concluding the company’s electric and natural gas general rate cases. New electric rates take effect Sept. 1, 2025 and Sept 1, 2026. The approved rates are designed to increase annual base electric revenues by $19.5M or 6.3%, effective Sept. 1, 2025, and by $14.7M or 4.5%, effective Sept. 1, 2026. For natural gas, the settlement agreement is designed to increase annual base natural gas revenues by $4.6M or 9.2%, effective Sept. 1, 2025, and reduce base revenues by $200,000 or 0.4%, effective Sept. 1, 2026. The settlement capital structure includes a 9.6% return on equity with a common equity ratio of 50% and a rate of return on rate base of 7.28%. “The Commission’s decision keeps new rates fair and reasonable for our Idaho customers, the Company, and our shareholders,” said Heather Rosentrater, Avista President and CEO. “This constructive outcome supports Avista’s efforts to make key capital investments that allow us to earn a fair return in Idaho as we invest in and maintain our infrastructure to continue providing the reliable energy our customers expect,” Rosentrater added.