Poole — Plant Summary
- EIA Plant ID
- 353
- Capacity
- 11.3 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Mono, CA
- Operating Since
- 1924
- Generators
- 1
- Operator
- Southern California Edison Co
- Parent Company
- Edison International
- Annual Generation
- 22,849 MWh
- Capacity Factor
- 23.1%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Poole
OperatingHydro
Ranked #115 of 247 Hydro plants in CA#626 of 1454 nationally
11.3 MW Hydro operating in Mono, CA — California Independent System Operator
EIAWD
11.3 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1924
Operating Since
Location
Coordinates
37.9442, -119.2161
County
Mono, CA
Nearby Plants
- LundyHydro3 MW · 11.6 km
- Rush CreekHydro13.1 MW · 21.4 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Southern California Edison Co | Southern California Edison | — |
| Owner(s) | Southern California Edison Co | Edison International | — |
| Status | Operating | — | — |
Ownership Chain
About
The Poole hydroelectric plant is located in Mono County, California. It is owned by Edison International and operated by Southern California Edison Co. The plant has a total capacity of 11.3 MW from a single generator using conventional hydroelectric technology. Poole began operating in 1924 and is connected to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
In the latest year of reported generation, Poole produced 22,849 MWh of electricity, achieving a capacity factor of 23.1%. According to available data, the installed cost of the plant was $2,625.89 per kW. Poole ranks as the 115th largest power plant in California out of 247, and 637th nationally out of 1464 plants.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
12 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
926 MWh
Latest Month
22.8K MWh
Annual Generation
23.1%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$2,626/kW
Installed Cost
$52.2/MWh
Operating Cost
Southern California Edison Company
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
LOW confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_NP15_GEN-APND
Node Source
OSM spatial match
News & Articles (10)Beta
Industry·corporate
Power station remembered at town exhibition
A museum gathers visitors' memorabilia and reunites former Poole Power Station workers.
AOL.com·6 days ago
General
Mary Power Obituary - Bartlett, TN
Celebrate the life of Mary Power, leave a kind word or memory and get funeral service information care of Memphis Funeral Home & Memorial...
Dignity Memorial·1 weeks ago
Industry·corporate
Poole Power Station remembered at town exhibition
A museum has dedicated an exhibition to a power station whose twin towers were a coastal landmark for more than 40 years. Poole Power...
BBC·1 weeks ago
Industry·corporate
'Transformed' museum reopens with new exhibitions
A town's museum is set to reopen with "transformed" exhibition spaces. Poole Museum has been closed since 29 January while work was carried...
BBC·4 weeks ago
Last updated 2026-03-14
View all 10 articles