Shoshone Falls — Plant Summary
- EIA Plant ID
- 818
- Capacity
- 14.7 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Jerome, ID
- Operating Since
- 1921
- Generators
- 2
- Operator
- Idaho Power Co
- Parent Company
- IDACORP
- Annual Generation
- 71,269 MWh
- Capacity Factor
- 54.8%
- Balancing Authority
- Idaho Power Company
- ISO/RTO
- —
- NERC Region
- WECC
Shoshone Falls
OperatingHydro
Ranked #23 of 76 Hydro plants in ID#551 of 1454 nationally
14.7 MW Hydro operating in Jerome, ID — Idaho Power Company
EIAWD
14.7 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1921
Operating Since
Location
Coordinates
42.5973, -114.4043
County
Jerome, ID
Nearby Plants
- Twin Falls (ID)Hydro52.7 MW · 4.0 km
- Clif Bar Bakery of Twin FallsSolar1.6 MW · 6.5 km
- Amalgamated Sugar Twin FallsNatural Gas10.2 MW · 7.5 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Idaho Power Co | Idaho Power | — |
| Owner(s) | Idaho Power Co | IDACORP | — |
| Status | Operating | — | — |
Ownership Chain
About
Shoshone Falls is a hydroelectric power plant located in Jerome County, Idaho. The plant, owned by IDACORP and operated by Idaho Power Co, has a total capacity of 14.7 MW derived from two generators. It began operating in 1921, utilizing conventional hydroelectric technology with water (WAT) as its primary fuel source. In the state of Idaho, Shoshone Falls ranks 23rd out of 76 power plants and nationally it ranks 562nd out of 1464.
The plant's latest annual generation was 71,269 MWh, resulting in a capacity factor of 54.8%. Shoshone Falls operates within the Idaho Power Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Financial data for the plant is available from FERC filings.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Idaho Power Company
Grid Voltage
46 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
6.1K MWh
Latest Month
71.3K MWh
Annual Generation
54.8%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$13.5/MWh
Operating Cost
Idaho Power Company
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
Market Position
LMP Node
SFPR_GNODE003
Pricing Hub
—
News & Articles (10)Beta
Regulatory·permitting
Idaho Power Company; Notice of Intent To File License Application, Filing of Pre-Application Document, and Approving Use of the Traditional Licensing Process
Federal Register (FERC)·3 days ago
Regulatory·ferc order
Idaho Power proposes aesthetic flow change at Twin Falls hydro project
Idaho Power proposes aesthetic flow change at Twin Falls hydro project ... A proposed operational change at the Twin Falls Hydroelectric Project...
Idaho Power (operator)Twin Falls hydro project (other)
Capital Press·5 months ago
General
Idaho Power proposes aesthetic flow change at Twin Falls hydro project
Idaho Power proposes aesthetic flow change at Twin Falls hydro project ... A proposed operational change at the Twin Falls Hydroelectric Project...
Capital Press·5 months ago
General
Idaho Power proposes aesthetic flow change at Twin Falls hydro project
Idaho Power proposes aesthetic flow change at Twin Falls hydro project ... A proposed operational change at the Twin Falls Hydroelectric Project...
Capital Press·5 months ago
Last updated 2026-03-25
View all 10 articles