Electron — Plant Summary
- EIA Plant ID
- 3854
- Capacity
- 22.8 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Pierce, WA
- Operating Since
- 1904
- Generators
- 4
- Operator
- Electron Hydro LLC
- Parent Company
- —
- Annual Generation
- 0 MWh
- Capacity Factor
- 0.0%
- Balancing Authority
- Puget Sound Energy
- ISO/RTO
- —
- NERC Region
- WECC
Electron
OperatingHydro
Ranked #41 of 75 Hydro plants in WA#455 of 1454 nationally
22.8 MW Hydro operating in Pierce, WA — Puget Sound Energy
EIAWD
22.8 MW
Nameplate Capacity
4
Generators
units
Conventional Hydroelectric
Technology
1904
Operating Since
Location
Coordinates
46.9910, -122.1749
County
Pierce, WA
Nearby Plants
- LRI LFGTE FacilityLandfill Gas4.5 MW · 8.9 km
- FredericksonNatural Gas177.8 MW · 17.5 km
- Mint Farm Generating StationNatural Gas319 MW · 17.9 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Electron Hydro LLC | — | — |
| Owner(s) | Electron Hydro LLC | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
The Electron Hydroelectric Project, originally known as the Puyallup Project, is a hydroelectric power plant operated by Electron Hydro LLC on the Puyallup River in Pierce County, Washington. It generates 26.2 megawatts (35,100 hp) of electricity and is operated and maintained by approximately 20 full-time employees.
Read more on WikipediaThe Electron Hydroelectric Project, located in Pierce County, Washington, is a 22.8 MW conventional hydroelectric facility. It began operating in 1904 and consists of 4 generators. The primary fuel source is water (WAT). Electron Hydro LLC is the owner and operator.
The plant operates within the Puget Sound Energy balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. It is ranked as the 41st largest power plant in Washington out of 75, and 461st nationally out of 1464.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Puget Sound Energy
Grid Voltage
115 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
0 MWh
Latest Month
0 MWh
Annual Generation
0.0%
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·technology
Electron microscopy maps protein landscapes that drive photosynthesis
Research led by scientists at Washington State University has revealed insights on how plants form a microscopic landscape of proteins...
Washington State University (other)
Phys.org·4 days ago
Deals·other
Babcock & Wilcox Will Deliver 1.2 GW of Gas-Fired Capacity for Applied Digital Data Centers
Energy group Babcock & Wilcox (B&W) said it will proceed on a $2.4-billion design-build agreement with an independent power producer (IPP)...
Babcock & Wilcox (other)Applied Digital Data Centers (buyer)
POWER Magazine·6 days ago
Industry·corporate
Inside WA’s messy breakup with Montana coal country
COLSTRIP, Mont. — For over half a century, Puget Sound Energy, Washington state's largest utility, has been intertwined with this company...
Puget Sound Energy (other)
The Spokesman-Review·3 weeks ago
Regulatory·federal policy
Coal power in WA Legislature’s crosshairs after talk of Centralia plant’s revival
The Trump administration wants to keep the power plant available to burn coal. A bill the state House approved would impose hefty taxes and...
Trump administration (regulator)
Washington State Standard·4 weeks ago
Last updated 2026-03-14
View all 10 articles