Search
Search plants, projects, owners, and states
Search plants, projects, owners, and states
4.4 MW Solar operating in San Benito, CA — California Independent System Operator
4.4 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2022
Operating Since
Coordinates
36.8756, -121.6037
County
San Benito, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | CalCom Energy | CalCom Energy | — |
| Owner(s) | Granite Rock Company | Granite Rock Co | — |
| Status | Operating | operating | — |
GEM identifies the owner as Granite Rock Co
This entity is not yet in the GEM ownership database — chain unavailable.
Graniterock Quarry is a 4.4 MW solar photovoltaic power plant located in San Benito County, California. The plant began operating in 2022 and has one generator. It is owned and operated by CalCom Energy. The plant utilizes a fixed tilt solar tracking system.
In its most recent year of operation, Graniterock Quarry generated 8,909 MWh of electricity, achieving a capacity factor of 23.1%. The plant is connected to the California Independent System Operator (CAISO) balancing authority and is within the Western Electricity Coordinating Council (WECC) NERC region. Graniterock Quarry ranks as the 325th largest solar plant in California out of 862, and 3323rd nationally out of 7108.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
402 MWh
Latest Month
8.9K MWh
Annual Generation
23.1%
Capacity Factor
Data from 2023–2024
$38.1/MWh
Energy Value
$10.6/MWh
Capacity Value
Point of Interconnection
Nearest Substation
Brigatano Substation · 60 kV
Substation Distance
0.398 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
BRIGTANO_6_N001
Pricing Hub
TH_ZP26_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
No news articles linked yet for this plant.
News enrichment runs on demand — we have the pipeline, we just haven't fetched coverage for this plant yet. Request a detailed re-run and we'll add it.
No ask pi reports yet for this entity.
ask pi about Graniterock QuarryCalifornia Independent System Operator (CISO)
Grid Voltage
60.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Commercial
Sector
IPP Non-CHP