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Case No. AVU-E-17-05, Order No. 33895
Contact: Matt Evans
(208) 334-0339 office
(208) 520-4763 cell
www.puc.idaho.gov
BPA credit to increase for Avista electric
customers, leading to rate decrease
BOISE (Sept. 29, 2017) – Avista’s electric customers will see their power bills decrease
slightly due to a change in a federal rate credit.
The Residential and Small Farm Energy Credit will lower the bill of the average residential-
and small farm customer by 0.2 percent. That equates to a savings of 16 cents on the
monthly bill of a residential customer using an average of 910 kilowatt-hours (kWh).
It is one of four billing adjustments approved by the Idaho Public Utilities Commission set
to take effect Oct. 1.
Two of the changes increase charges related to energy use, while two decrease the cost per
kWh. The overall impact on residential customers is a 2-percent increase, or $1.73 on the
monthly bill of the average residential customer using 910 KWh.
The Residential and Small Farm Energy Credit is the result of an agreement between the
company and the Bonneville Power Administration (BPA) that passes through to
customers the benefits of the federal Columbia River hydropower system.
BPA markets and distributes the wholesale power generated through the system, which
consists of 31 federal hydroelectric projects on the Columbia and Snake rivers.
While customers of publicly owned utilities (rural cooperatives, for example) have
preferential access to BPA power, the Northwest Power Act of 1980 requires that
customers of private, investor-owned utilities also share in the benefits of the federal hydro
system through a rate credit as part of BPA’s Residential Exchange Program.
The amount of the credit is determined by formulas using a number of factors, including a
utility’s average system cost for producing power.
If an investor-owned utility’s average system-wide generation costs lead to rates higher
than those offered to BPA’s public-utility customers, customers of the investor-owned
utility are issued a credit.
The credit is adjusted every other year, pending Commission approval.
The credit, set to take effect Oct. 1, will be 0.078 cents per kilowatt-hour used, up from
0.060 cents per kilowatt-hour. It will remain in place through fall 2019.
The credit is expected to provide $940,000 in annual BPA-related benefits to the 130,000
Idahoans who receive electric service from Avista.
Documents related to the case can be found here, or by visiting the PUC site,
www.puc.idaho.gov. Click on “Open Cases” under the “Electric” heading and scroll down to
case number AVU-E-17-05.