20260213Schedule 91.pdf

Fifteenth Revision Sheet 91 RECEIVED
Canceling FEBRUARY 13, 2026
I.P.U.C. No.28 Fourteenth Revision Sheet 91 IDAHO PUBLIC
AVISTA CORPORATION UTILITIES COMMISSION
dba Avista Utilities
SCHEDULE 91
ENERGY EFFICIENCY RIDER ADJUSTMENT- IDAHO
APPLICABLE:
To Customers in the State of Idaho where the Company has electric service available. This
Energy Efficiency Rider or Rate Adjustment shall be applicable to all retail customers for charges
for electric energy sold and to the flat rate charges for Company-owned or Customer-owned
Street Lighting and Area Lighting Service. This Rate Adjustment is designed to recover costs
incurred by the Company associated with providing energy efficiency services and programs to
customers.
MONTHLY RATE:
The energy charges of the individual rate schedules are to be increased by the following
amounts:
Schedule 1 1.246 ¢ per kWh Schedule 25 0.643¢ per kWh
Schedule 11 & 12 0.658¢ per kWh Schedule 25P 0.522¢ per kWh
Schedule 21 &22 3.488 ¢ per kWh Schedule 31 &32 1.216 ¢ per kWh
Schedules 41 -49 4.673 ¢ per kWh
SPECIAL TERMS AND CONDITIONS:
Service under this schedule is subject to the Rules and Regulations contained in this tariff.
The above Rate is subject to increases as set forth in Tax Adjustment Schedule 58.
Issued February 13, 2026 Effective May 1, 2026
Issued by Avista Corporation
By Patrick Ehrbar, Director of Regulatory Affairs Qull--�,

Fourteenth Revision Sheet 91
Canceling
I.P.U.C. No.28 Thirteenth Revision Sheet 91
AVISTA CORPORATION
dba Avista Utilities
SCHEDULE 91
ENERGY EFFICIENCY RIDER ADJUSTMENT- IDAHO
APPLICABLE:
To Customers in the State of Idaho where the Company has electric service available. This
Energy Efficiency Rider or Rate Adjustment shall be applicable to all retail customers for charges
for electric energy sold and to the flat rate charges for Company-owned or Customer-owned
Street Lighting and Area Lighting Service. This Rate Adjustment is designed to recover costs
incurred by the Company associated with providing energy efficiency services and programs to
customers.
MONTHLY RATE:
The energy charges of the individual rate schedules are to be increased by the following
amounts:
Schedule 1 0.299 0 per L\n/h Schedule 25 0.151 0 perk'
Schedule 11 & 12 0.156 0 perk Schedule 25P 0.123 0 perk
Schedule 21 &22 0.824 0 per L\A/h Schedule 31 &32 0.297 0 per L\n/h
Schedules 41 -49 1.097 0 per kWl
SPECIAL TERMS AND CONDITIONS:
Service under this schedule is subject to the Rules and Regulations contained in this tariff.
The above Rate is subject to increases as set forth in Tax Adjustment Schedule 58.
Issued July 31, 2025 Effective October 1, 2025
Issued by Avista Corporation
By Patrick Ehrbar, Director of Regulatory Affairs

Fifteenth Revision Sheet 91
Canceling
I.P.U.C. No.28 Fourteenth Revision Sheet 91
AVISTA CORPORATION
dba Avista Utilities
SCHEDULE 91
ENERGY EFFICIENCY RIDER ADJUSTMENT- IDAHO
APPLICABLE:
To Customers in the State of Idaho where the Company has electric service available. This
Energy Efficiency Rider or Rate Adjustment shall be applicable to all retail customers for charges
for electric energy sold and to the flat rate charges for Company-owned or Customer-owned
Street Lighting and Area Lighting Service. This Rate Adjustment is designed to recover costs
incurred by the Company associated with providing energy efficiency services and programs to
customers.
MONTHLY RATE:
The energy charges of the individual rate schedules are to be increased by the following
amounts:
Schedule 1 1.246 0 per kWh Schedule 25 0.643� per kWh
Schedule 11 & 12 0.658� per kWh Schedule 25P 0.522 0 per kWh
Schedule 21 &22 3.488 0 per kWh Schedule 31 &32 1.216 0 per kWh
Schedules 41 -49 4.673 0 per kWh
SPECIAL TERMS AND CONDITIONS:
Service under this schedule is subject to the Rules and Regulations contained in this tariff.
The above Rate is subject to increases as set forth in Tax Adjustment Schedule 58.
Issued February 13, 2026 Effective May 1, 2026
Issued by Avista Corporation
By Patrick Ehrbar, Director of Regulatory Affairs