202507312025 Idaho DSM Gas - Tariffs.pdf

Tenth Revision Sheet 191
Canceling
I.P.U.C. No.27 Ninth Revision Sheet 191
AVISTA CORPORATION
d/b/a Avista Utilities
SCHEDULE 191
ENERGY EFFICIENCY RIDER ADJUSTMENT - IDAHO
APPLICABLE:
To Customers in the State of Idaho where the Company has natural gas
service available. This Energy Efficiency Rider or Rate Adjustment shall be
applicable to all retail customers taking service under Schedules 101, 111, 112, 131,
and 132. This Rate Adjustment, is designed to recover costs incurred by the
Company associated with providing energy efficiency services and programs to
customers. The Company may, at its discretion to match revenue under this
schedule with demand for services under Schedule 190, reduce or increase this
charge on an annual basis. Any change in this charge is subject to Commission
approval and its review of the previous year expenditures under Schedule 190 and
determinations with regard to any revenue carry forward, and prospective budget on
an annual basis. Any annual expenditures exceeding annual collections when
combined with any carry forward budget surplus shall be at the Company's risk of
future recovery.
MONTHLY RATE:
The energy charges of the individual rate schedules are to be increased by the
following amounts:
Schedule 101 $0.01568 per Therm
Schedule 111 & 112 $0.00711 per Therm
Schedule 131 & 132 $0.00711 per Therm
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
158.
Issued Effective
July 31, 2025 November 1, 2025
Issued by Avista Utilities
By Patrick Ehrbar—Director of Regulatory Affairs

Ninth Revision Sheet 191
Canceling
I.P.U.C. No.27 Eighth Revision Sheet 191
AVISTA CORPORATION
d/b/a Avista Utilities
SCHEDULE 191
ENERGY EFFICIENCY RIDER ADJUSTMENT - IDAHO
APPLICABLE:
To Customers in the State of Idaho where the Company has natural gas
service available. This Energy Efficiency Rider or Rate Adjustment shall be
applicable to all retail customers taking service under Schedules 101, 111, 112, 131,
and 132. This Rate Adjustment, is designed to recover costs incurred by the
Company associated with providing energy efficiency services and programs to
customers. The Company may, at its discretion to match revenue under this
schedule with demand for services under Schedule 190, reduce or increase this
charge on an annual basis. Any change in this charge is subject to Commission
approval and its review of the previous year expenditures under Schedule 190 and
determinations with regard to any revenue carry forward, and prospective budget on
an annual basis. Any annual expenditures exceeding annual collections when
combined with any carry forward budget surplus shall be at the Company's risk of
future recovery.
MONTHLY RATE:
The energy charges of the individual rate schedules are to be increased by the
following amounts:
Schedule 101 $0.04903 per Therm
Schedule 111 & 112 $0-02626 per Therm
Schedule 131 & 132 $0.02626 per Therm
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
158.
Issued Effective
September 2, 2022 November 1, 2022
Issued by Avista Utilities
By Patrick Ehrbar—Director of Regulatory Affairs

Tenth Revision Sheet 191
Canceling
I.P.U.C. No.27 Ninth Revision Sheet 191
AVISTA CORPORATION
d/b/a Avista Utilities
SCHEDULE 191
ENERGY EFFICIENCY RIDER ADJUSTMENT - IDAHO
APPLICABLE:
To Customers in the State of Idaho where the Company has natural gas
service available. This Energy Efficiency Rider or Rate Adjustment shall be
applicable to all retail customers taking service under Schedules 101, 111, 112, 131,
and 132. This Rate Adjustment, is designed to recover costs incurred by the
Company associated with providing energy efficiency services and programs to
customers. The Company may, at its discretion to match revenue under this
schedule with demand for services under Schedule 190, reduce or increase this
charge on an annual basis. Any change in this charge is subject to Commission
approval and its review of the previous year expenditures under Schedule 190 and
determinations with regard to any revenue carry forward, and prospective budget on
an annual basis. Any annual expenditures exceeding annual collections when
combined with any carry forward budget surplus shall be at the Company's risk of
future recovery.
MONTHLY RATE:
The energy charges of the individual rate schedules are to be increased by the
following amounts:
Schedule 101 $0.01568 per Therm
Schedule 111 & 112 $0.00711 per Therm
Schedule 131 & 132 $0.00711 per Therm
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
158.
Issued Effective
July 31, 2025 November 1, 2025
Issued by Avista Utilities
By Patrick Ehrbar—Director of Regulatory Affairs