Shoshone Falls
Hydro power plant in Jerome County, Idaho. 14.7 MW of nameplate capacity across 2 generators, operated by Idaho Power Co.
Also known as Shoshone Falls Power Plant · EIA plant 818
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 14.7 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- August 1921First generator online
- Operator
- Idaho Power CoEIA operator ID 9191
- Grid
- IPCOBalancing authority IPCO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Jerome County, ID42.5975, −114.4033
- EIA plant ID
- 818EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Shoshone Falls produces
Free · EIA-923Net generation, 2025
51.9 GWh
51,884 MWh, final
Capacity factor, 2025
40.3%
2024: 55.2%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
22.0–93.5
GWh a year. Low 2019, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 110,132 | Not reported | 12 of 12 |
| 2001 | 90,794 | Not reported | 12 of 12 |
| 2002 | 84,464 | Not reported | 12 of 12 |
| 2003 | 82,779 | Not reported | 12 of 12 |
| 2004 | 81,083 | Not reported | 12 of 12 |
| 2005 | 82,726 | Not reported | 12 of 12 |
| 2006 | 98,994 | Not reported | 12 of 12 |
| 2007 | 55,613 | Not reported | 12 of 12 |
| 2008 | 47,665 | Not reported | 12 of 12 |
| 2009 | 99,792 | Not reported | 12 of 12 |
| 2010 | 91,679 | 83.7% | 12 of 12 |
| 2011 | 110,438 | 100.9% | 12 of 12 |
| 2012 | 65,937 | 60.1% | 12 of 12 |
| 2013 | 64,995 | 59.4% | 12 of 12 |
| 2014 | 42,929 | 39.2% | 12 of 12 |
| 2015 | 74,608 | 68.1% | 12 of 12 |
| 2016 | 54,752 | 49.9% | 12 of 12 |
| 2017 | 93,460 | Not reported | 12 of 12 |
| 2018 | 82,751 | 82.1% | 12 of 12 |
| 2019 | 22,003 | 21.8% | 12 of 12 |
| 2020 | 52,529 | Not reported | 12 of 12 |
| 2021 | 53,470 | 41.5% | 12 of 12 |
| 2022 | 41,143 | 32.0% | 12 of 12 |
| 2023 | 42,312 | 32.9% | 12 of 12 |
| 2024 | 71,269 | 55.2% | 12 of 12 |
| 2025 | 51,884 | 40.3% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · CAISOEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 3 | Conventional Hydroelectric | 11.5 | August 1921 |
| 4 | Conventional Hydroelectric | 3.2 | September 2020 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Idaho Power Co as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
300 analyst questions a month, plus MCP
Query Shoshone Falls and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Shoshone Falls
More plants operated by Idaho Power Co
Questions about Shoshone Falls
How much power does Shoshone Falls produce?
Shoshone Falls reported 51,884 MWh (51.9 GWh) of net generation in 2025, a 40.3% capacity factor on 14.7 MW of nameplate capacity.
Where is Shoshone Falls?
Shoshone Falls is in Jerome County, Idaho, at 42.5975, −114.4033. It is in the Idaho Power Company balancing area (IPCO).
Who operates Shoshone Falls?
EIA-860M for August 2026 lists Idaho Power Co as the operator (EIA operator ID 9191). The operator is not always the owner.
When did Shoshone Falls start operating?
Its first generator began operating in August 1921, according to EIA-860M.
Does InfraMap have power prices for Shoshone Falls?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Shoshone Falls, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- CAISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page