Summary: Revises Tariff WN U-28 to increase rates for Schedule 91 (electric energy efficiency). The new rates include projected expenses for conservation programs based on Avista's 2024-2025 biennial conservation plan, as well as actual expenditures from the previous 2022-2023 biennium. The average residential customer using 945 kWh per month would see their monthly bills change from $97.26 to $99.55, or an increase of $2.29, or 2.4%.
