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10.5 MW Solar operating in Contra Costa, CA — California Independent System Operator
10.5 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2017
Operating Since
Coordinates
37.9456, -122.3769
County
Contra Costa, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | AES Distributed Energy | AES Distributed Energy | — |
| Owner(s) | AES Distributed Energy | — | — |
| Status | Operating | operating | — |
Marin Clean Energy Solar One is a 10.5 MW solar photovoltaic power plant located in Contra Costa County, California. The plant began operating in 2017 and is operated by AES Distributed Energy. It utilizes single-axis tracking to maximize solar energy capture. The plant is interconnected to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
In its most recent year of operation, the plant generated 21,279 MWh of electricity, achieving a capacity factor of 23.1%. Marin Clean Energy Solar One is ranked as the 235th largest solar plant in California out of 862, and 1785th nationally out of 7108. Financial data indicates a power purchase agreement (PPA) price of $92.0 per MWh, according to data from Lawrence Berkeley National Laboratory (LBNL).
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
791 MWh
Latest Month
21.3K MWh
Annual Generation
23.1%
Capacity Factor
Data from 2017–2024
$29.5/MWh
Energy Value
$10.6/MWh
Capacity Value
Point of Interconnection
Nearest Substation
Standard Oil 5 Substation · 115 kV
Substation Distance
0.638 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
STDOIL_1_N009
Pricing Hub
TH_NP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
Last updated 2026-03-26
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ask pi about Marin Clean Energy Solar OneCalifornia Independent System Operator (CISO)
Grid Voltage
12.47 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP