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100 MW Natural Gas Fired Combined Cycle (80 MW) + Other Gases (20 MW) operating in Contra Costa, CA — California Independent System Operator
100 MW
Nameplate Capacity
3
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combined Cycle + Other Gases
1995
Operating Since
Coordinates
38.0168, -122.1129
County
Contra Costa, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Martinez Refining Co | Martinez Refining | — |
| Owner(s) | Martinez Refining Co | PBF Energy | — |
| Status | Operating | — | — |
The Martinez Refining power plant is a 100 MW hybrid facility located in Contra Costa County, California. It is owned by PBF Energy and operated by Martinez Refining Co. The plant began operating in 1995 and utilizes natural gas as its primary fuel, employing natural gas-fired combined cycle technology along with other gases. It consists of three generators.
The plant operates 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, the plant generated 733,953 MWh, achieving a capacity factor of 83.8%. It is ranked 76th out of 76 power plants in California and 945th out of 945 nationally. Recent news coverage of the plant has focused on hazards.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
California Independent System Operator (CISO)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Industrial
Sector
Industrial CHP
63.2K MWh
Latest Month
734.0K MWh
Annual Generation
83.8%
Capacity Factor
CO₂ Intensity
717 lb/MWh
NOx
2 lb/MWh
SO₂
0.004 lb/MWh
CH₄
0.014 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
83.5%
Annual Net Gen
731 GWh
CO₂eq
718 lb/MWh
Subregion
WECC California
2013
$965/kW
Est. Construction Cost
Total estimated cost: $96.5M
Point of Interconnection
Nearest Substation
Martinez Substation · 115 kV
Substation Distance
0 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
SHELL1_7_N001
Pricing Hub
TH_NP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
Last updated 2026-03-26
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