Henrietta Peaker — Plant Summary
- EIA Plant ID
- 55807
- Capacity
- 98 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combustion Turbine
- Status
- Operating
- Location
- Kings, CA
- Operating Since
- 2002
- Generators
- 2
- Operator
- MRP San Joaquin Energy LLC.
- Parent Company
- —
- Annual Generation
- 3,772 MWh
- Capacity Factor
- 0.4%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Henrietta Peaker
OperatingNatural Gas
Ranked #80 of 306 Natural Gas plants in CA#953 of 2009 nationally
98 MW Natural Gas operating in Kings, CA — California Independent System Operator
EIAWD
98 MW
Nameplate Capacity
2
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2002
Operating Since
Location
Coordinates
36.2401, -119.9040
County
Kings, CA
Nearby Plants
- Electrolyte BESSBESS99.4 MW · 0.0 km
- American Kings Solar, LLCSolar128 MW · 0.6 km
- RE Mustang LLCBESS175 MW · 1.0 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | MRP San Joaquin Energy LLC. | — | — |
| Owner(s) | MRP San Joaquin Energy LLC. | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Henrietta Peaker is a 98 MW natural gas-fired power plant located in Kings County, California. The plant began operating in 2002 and consists of two natural gas-fired combustion turbine generators. MRP San Joaquin Energy LLC. is the plant's owner and operator. The plant is located within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year of data, Henrietta Peaker generated 3,772 MWh of electricity, resulting in a very low capacity factor of 0.4%. The plant ranks 78th in size out of 297 power plants in California, and 952nd out of 1963 plants nationally. Recent news indicates at least one deal related to the plant has been reported.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
70 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
0 MWh
Latest Month
3.8K MWh
Annual Generation
0.4%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
GWFGT1_7_B1
Pricing Hub
TH_NP15_GEN-APND
Secondary Zone
TH_ZP26_GEN-APND
Location Type
Pricing Node
Node Source
EIA-860 direct report
News & Articles (1)Beta
Deals·m and a
AltaGas Buying Three NatGas-Fired Power Plants in California For $642M
Discover how AltaGas is expanding its portfolio with the acquisition of three natural gas-fired power plants in California for $642 million.
AltaGas (buyer)California (other)
Natural Gas Intelligence·10 years ago
Last updated 2026-03-26
View all articles