Our shared energy future relies on significantly expanding renewable resources and bringing on storage resources to ensure energy is always available when needed. New energy storage resources in PacifiCorp’s 2023 Integrated Resource Plan preferred portfolio include 7,400 megawatts of battery and hydro storage by 2029. 

Pumped storage hydro is a reliable, utility-scale energy storage technology. In 2021, we submitted to the Federal Energy Regulatory Commission 11 applications for preliminary permits at potential pumped storage sites across our service area. This will allow PacifiCorp to evaluate the ability of pumped storage at these locations to assist in our energy transition while preserving our priority to submit license applications at these sites if they are determined to be feasible and beneficial to our system.

It is anticipated that FERC will issue Preliminary Permits in the near future. Once the Preliminary Permits are issued, feasibility studies may begin.



Dry Canyon

Near Montpelier, ID

Long Ridge

Near Mona, UT

Barn Canyon

Near Helper, UT 

Electric Lake

Near Huntington, UT

Rock Canyon

Near Castle Dale, UT

Rocky Ridge

Near Glenrock, WY

Box Elder

Near Glenrock, WY

South Fork

Near Kemmerer, WY

Winter Ridge

Near Lakeview, OR

Crooked Creek

Near Lakeview, OR

Saddle Mountains

Near Beverly, WA

Oneida Near Preston, ID