Bottle Rock Power — Plant Summary
- EIA Plant ID
- 902
- Capacity
- 55 MW
- Primary Fuel
- Geothermal
- Technology
- Geothermal
- Status
- Out of service
- Location
- Lake, CA
- Operating Since
- 1985
- Generators
- 1
- Operator
- Mayacma Geothermal
- Parent Company
- —
- Annual Generation
- 0 MWh
- Capacity Factor
- 0.0%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Bottle Rock Power
Out of serviceGeothermalGEM: operating
Ranked #13 of 33 Geothermal plants in CA#22 of 70 nationally
55 MW Geothermal out of service in Lake, CA — California Independent System Operator
EIAGEMWD
55 MW
Nameplate Capacity
1
Generators
unit
Geothermal
Technology
1985
Operating Since
Location
Coordinates
38.8348, -122.7677
County
Lake, CA
Nearby Plants
- Sonoma California GeothermalGeothermal78 MW · 5.1 km
- Calistoga Power PlantGeothermal176.4 MW · 5.6 km
- West Ford FlatBESS25 MW · 6.5 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Mayacma Geothermal | Bottle Rock Power | — |
| Owner(s) | Mayacma Geothermal | Baseload Clean Energy Partners [100%] | — |
| Status | Out of service | operating | — |
Ownership Chain
GEM identifies the owner as Baseload Clean Energy Partners [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
The Bottle Rock Power Plant (BRPP) is a geothermal power plant in the Glenbrook Area of Lake County, California, United States.
Read more on WikipediaBottle Rock Power is a 55 MW geothermal power plant located in Lake County, California. The plant began operating in 1985 and has one generator. It is owned and operated by Mayacma Geothermal. Bottle Rock Power is interconnected to the California Independent System Operator (CAISO) balancing authority and is within the Western Electricity Coordinating Council (WECC) NERC region.
Bottle Rock Power is the 14th largest geothermal plant in California out of 33 such plants, and the 22nd largest in the United States out of 70. Recent news coverage includes 7 articles related to industry, 2 related to deals, and 1 related to regulatory matters. A Wikipedia extract is available for the plant.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
230 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 2018 – Dec 2020
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
BOTTLERK_7_N001
Pricing Hub
TH_NP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
News & Articles (10)Beta
Industry·other
Montana Folk Duo Buffalo Traffic Jam Drop "Hanging on Hope" On A Sold-Out Tour
Buffalo Traffic Jam are having a moment, and they know exactly what to do with it. The Bozeman-born folk duo of Frankie Cassidy and Nathan...
That Eric Alper·2 days ago
Regulatory·federal policy
Funding Notice: Next-Generation Geothermal Field Tests and Geothermal Resource Characterization and Confirmation
DOE's Office of Geothermal has announced a funding opportunity of up to $171.5 million for next-generation geothermal field tests as well as...
DOE (regulator)
Department of Energy (.gov)·2 weeks ago
Industry·other
Review - BottleRock Napa Valley (5/23-25/25)
A review of the Bottlerock music festival in Napa, CA.
www.sfbayareaconcerts.com·10 months ago
Industry·other
Weed in wine country: my weekend at BottleRock
Three days of diverse music, celebrity chefs, phenomenal libations, gourmet food, and top-shelf cannabis in the heart of California wine country.
GreenState·2 years ago
Last updated 2026-03-14
View all 10 articles