HydroOperatingCAISO

Poole

Hydro power plant in Mono County, California. 11.3 MW of nameplate capacity across 1 generator, operated by Southern California Edison Co.

Also known as Poole Power Plant · EIA plant 353

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LundyRush CreekCD4Mammoth G1Poole25 km
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6 plants within 43 km, from EIA coordinates.

Key facts

Capacity
11.3 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
May 1924First generator online
Operator
Southern California Edison CoEIA operator ID 17609
Grid
CAISOBalancing authority CISO
Price nodes
1 CAISO nodeResource nodes with prices
Location
Mono County, CA37.9442, −119.2161
EIA plant ID
353EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power Poole produces

Free · EIA-923

Net generation, 2025

22.3 GWh

22,313 MWh, final

Capacity factor, 2025

22.5%

2024: 23.0%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

13.9–39.2

GWh a year. Low 2020, high 2017

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
200029,789Not reported12 of 12
200123,125Not reported12 of 12
200227,486Not reported12 of 12
200325,530Not reported12 of 12
200429,942Not reported12 of 12
200538,216Not reported12 of 12
200643,950Not reported12 of 12
200718,694Not reported12 of 12
200822,113Not reported12 of 12
200929,078Not reported12 of 12
201032,33433.0%12 of 12
201137,31038.0%12 of 12
20127,8738.0%12 of 12
20138,1508.3%12 of 12
201421,226Not reported12 of 12
201517,63717.8%12 of 12
201630,35930.6%12 of 12
201739,17339.6%12 of 12
201814,15714.3%12 of 12
201926,03626.3%12 of 12
202013,92714.0%12 of 12
202115,84616.0%12 of 12
202214,63314.8%12 of 12
202335,70236.1%12 of 12
202422,84923.0%12 of 12
202522,31322.5%12 of 12
2026 (provisional, partial year)Not reportedNot reported0 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 · CAISO

Emissions

Free · EPA CAMPD

No EPA emissions units are linked to this plant.

Water use

Free · EIA-923 cooling, USGS

No 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
GeneratorTechnologyNameplate MWOnline since
1Conventional Hydroelectric11.3May 1924

Ownership and offtake

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Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Southern California Edison Co as the operator, which is not always the owner.

Modeled data

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Power plants near Poole

More plants operated by Southern California Edison Co

Questions about Poole

How much power does Poole produce?

Poole reported 22,313 MWh (22.3 GWh) of net generation in 2025, a 22.5% capacity factor on 11.3 MW of nameplate capacity.

Where is Poole?

Poole is in Mono County, California, at 37.9442, −119.2161. It is in the California Independent System Operator balancing area (CISO).

Who operates Poole?

EIA-860M for August 2026 lists Southern California Edison Co as the operator (EIA operator ID 17609). The operator is not always the owner.

When did Poole start operating?

Its first generator began operating in May 1924, according to EIA-860M.

Does InfraMap have power prices for Poole?

Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Poole, 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