Roosevelt — Plant Summary
- EIA Plant ID
- 149
- Capacity
- 36 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Maricopa, AZ
- Operating Since
- 1973
- Generators
- 1
- Operator
- Salt River Project
- Parent Company
- Salt River Project
- Annual Generation
- 101,780 MWh
- Capacity Factor
- 32.2%
- Balancing Authority
- Salt River Project
- ISO/RTO
- —
- NERC Region
- WECC
Roosevelt
OperatingHydro
Ranked #7 of 11 Hydro plants in AZ#370 of 1454 nationally
36 MW Hydro operating in Maricopa, AZ — Salt River Project
EIAWD
36 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1973
Operating Since
Location
Coordinates
45.8052, -120.1666
County
Maricopa, AZ
Nearby Plants
- Lund Hill SolarSolar150 MW · 9.4 km
- North Hurlburt Wind LLCWind265 MW · 10.4 km
- South Hurlburt Wind LLCWind290 MW · 12.9 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Salt River Project | Salt River Project | — |
| Owner(s) | Salt River Project | Salt River Project | — |
| Status | Operating | — | — |
Ownership Chain
About
Theodore Roosevelt Dam is a dam on the Salt River located northeast of Phoenix, Arizona. The dam is 357 feet (109 m) high and forms Theodore Roosevelt Lake as it impounds the Salt River. Built between 1905 and 1911, the dam was renovated and expanded in 1989–1996. The dam is named after President Theodore Roosevelt. Serving mainly for irrigation, water supply, and flood control, the dam also has a hydroelectric generating capacity of 36 megawatts.
Read more on WikipediaThe Roosevelt hydroelectric plant, located in Maricopa County, Arizona, has a total capacity of 36 MW. Operated by Salt River Project (SRP), the facility began operation in 1973 and utilizes conventional hydroelectric technology. The plant consists of a single generator and uses water (WAT) as its primary fuel source. Roosevelt ranks as the 7th largest hydroelectric plant in Arizona out of 11, and nationally it is ranked 375 out of 1464 such facilities.
In the most recent year with available data, the plant generated 101,780 MWh of electricity, resulting in a capacity factor of 32.2%. The Roosevelt plant operates within the Salt River Project balancing authority and is part of the Western Electricity Coordinating Council (WECC) NERC region. Salt River Project both owns and operates the Roosevelt facility.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Salt River Project
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
Political Subdivision
Sector
Electric Utility
Generation
333 MWh
Latest Month
101.8K MWh
Annual Generation
32.2%
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·other
In Arizona, an Electric Utility Holds an Election, Open Only to Property Owners
Turning Point is involved, as is the Sierra Club. But voting rules that seem to echo feudalism exclude renters, favor large landowners and...
Turning Point (other)Sierra Club (other)
The New York Times·Yesterday
Industry·other
Utah - Geothermal Energy
Utah has two geothermal electrical generation power plants, Cove Fort and Roosevelt Hot Springs, located in the central and southwestern portion of the...
Bureau of Land Management (.gov)·2 months ago
Industry·technology
Salt River Project completes hydropower modernisation, improves efficiency and reliability
Salt River Project (SRP) has completed a multi-year upgrade of its hydroelectric facilities along the Salt River in Arizona.
Salt River Project (operator)
International Water Power·5 months ago
Industry·technology
Salt River Project, Emerson Complete Hydropower Modernization Project
Industrial technology group Emerson said the company has completed a multi-year modernization project at four hydroelectric dams along the...
Salt River Project (operator)Emerson (other)
POWER Magazine·5 months ago
Last updated 2026-03-14
View all 10 articles