Avista Makes Annual Price Adjustment Filings in Idaho

SPOKANE, Wash., July 31, 2025 (GLOBE NEWSWIRE) — Avista (NYSE:AVA) has made annual rate adjustment filings with the Idaho Public Utilities Commission (IPUC or Commission) that, if approved, are designed to increase overall electric revenues by approximately $6.3 million or 2.0% effective Oct. 1, 2025 and decrease overall natural gas revenue by approximately $9.5 million or 10.6% effective Nov. 1, 2025. These annual filings have no impact on Avista’s earnings.

Electric Adjustment Filings
Four annual electric adjustments were filed, that if approved, are designed to change overall electric revenues effective Oct. 1, 2025 as follows:

1. Power Cost Adjustment (PCA): a decrease of approximately $1.8 million or 0.6%
2. Fixed Cost Adjustment (FCA): an increase of approximately $2.6 million or 0.8%
3. Electric Energy Efficiency: an increase of approximately $3.6 million or 1.2%
4. Bonneville Power Administration Residential Exchange (ResEx) Program: an increase of approximately $1.9 million or 0.6%

Natural Gas Adjustment Filings
Three annual natural gas adjustments were filed, that if approved, are designed to change overall natural gas revenues effective Nov. 1, 2025 as follows:

1. Purchased Gas Cost Adjustment (PGA): a decrease of approximately $6.5 million or 7.2%
2. Fixed Cost Adjustment (FCA): an increase of approximately $80 thousand or 0.1%
3. Electric Energy Efficiency: a decrease of approximately $3.1 million or 3.5%

Customer Bills Resulting from these Filings
If the electric PCA and FCA filings are approved, residential electric customers in Idaho using an average of 939 kilowatt hours per month would see their monthly bills increase from $104.30 to $107.73, an increase of $3.43 per month, or approximately 3.3%. The proposed electric rate change would be effective Oct. 1, 2025.

The net effect, on an annual revenue basis, for the requested electric rate changes by rate schedule are as follows:

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