Twin Falls Hydro — Plant Summary
- EIA Plant ID
- 50827
- Capacity
- 24 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- King, WA
- Operating Since
- 1989
- Generators
- 2
- Operator
- Central Rivers Power US, LLC
- Parent Company
- —
- Annual Generation
- 62,946 MWh
- Capacity Factor
- 30.0%
- Balancing Authority
- Puget Sound Energy
- ISO/RTO
- —
- NERC Region
- WECC
Twin Falls Hydro
OperatingHydro
Ranked #40 of 75 Hydro plants in WA#445 of 1454 nationally
24 MW Hydro operating in King, WA — Puget Sound Energy
EIAWD
24 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1989
Operating Since
Location
Coordinates
47.4446, -121.6878
County
King, WA
Nearby Plants
- Weeks FallsHydro4.3 MW · 3.2 km
- Cedar Falls (WA)Hydro30 MW · 7.6 km
- Black CreekHydro3.7 MW · 11.8 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Central Rivers Power US, LLC | — | — |
| Owner(s) | Central Rivers Power US, LLC, Enel North America, Inc., South Fork Resources Inc | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Twin Falls Hydro is a 24 MW hydroelectric power plant located in King County, Washington. The plant began operating in 1989 and is owned and operated by Central Rivers Power US, LLC. It utilizes conventional hydroelectric technology with two generators. The plant's primary fuel source is water (WAT).
Twin Falls Hydro operates within the Puget Sound Energy balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. In the most recent year with available data, the plant generated 62,946 MWh, achieving a capacity factor of 30.0%. Twin Falls Hydro ranks as the 40th largest power plant out of 75 in Washington state, and 450th out of 1464 nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Puget Sound Energy
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
8.2K MWh
Latest Month
62.9K MWh
Annual Generation
30.0%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Industry·corporate
Idaho - Rocky Mountains, Semi-arid Climate
Idaho's mountainous topography produces an extremely diverse climate pattern. In general, as elevation increases, precipitation increases and mean temperatures...
Britannica·4 days ago
Industry·corporate
Pillar Falls trail access at risk if county rejects hydropower transport plan
The county wants to protect its investment at Centennial Park.
Twin Falls Times-News·3 weeks ago
Hazards·outage
Destructive Winds Slam Multiple States, Turning Deadly In Idaho And Leaving Hundreds Of Thousands Without Power
There were nearly two dozen reports of 100+ mph winds across South Dakota, Colorado, Oregon, Idaho, Montana and Washington state.
South Dakota (other)Colorado (other)
The Weather Channel·3 months ago
Hazards·outage
High winds batter water-logged Northwest, injuring 2 children and cutting power to half a million
High winds toppled trees and power lines across parts of Washington state and Idaho, critically injuring two children, knocking out power to...
Washington state (other)Idaho (other)
kens5.com·3 months ago
Last updated 2026-03-14
View all 10 articles