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678.3 MW Natural Gas operating in Contra Costa, CA — California Independent System Operator
678.3 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2001
Operating Since
Coordinates
41.4141, -74.4345
County
Contra Costa, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Los Medanos Energy Center LLC | Los Medanos Energy Center | — |
| Owner(s) | Los Medanos Energy Center LLC | Constellation Energy | — |
| Status | Operating | — | — |
Los Medanos Energy Center is a 678.3 MW natural gas-fired combined cycle power plant located in Contra Costa County, California. The plant began operating in 2001 and consists of 3 generators. It is owned by Constellation Energy and operated by Los Medanos Energy Center LLC. 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 with available data, Los Medanos Energy Center generated 2,485,539 MWh of electricity, achieving a capacity factor of 41.9%. The plant is ranked as the 18th largest in California out of 76 power plants, and 336th nationally out of 945 plants.
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
Independent Power Producer
Sector
IPP CHP
348.9K MWh
Latest Month
2.5M MWh
Annual Generation
41.9%
Capacity Factor
CO₂ Intensity
790 lb/MWh
NOx
0.048 lb/MWh
SO₂
0.004 lb/MWh
CH₄
0.014 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
51.5%
Annual Net Gen
3062 GWh
CO₂eq
791 lb/MWh
Subregion
WECC California
2013
$965/kW
Est. Construction Cost
Total estimated cost: $654.6M
Market Position
ISO/RTO Market
CAISO
LMP Node
POD_LMEC_1_PL1X3-APND
Pricing Hub
TH_NP15_GEN-APND
Location Type
Aggregated Node
Node Source
EIA-860 direct report
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