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3.8 MW Batteries (3 MW) + Solar Photovoltaic (1 MW) operating in San Mateo, CA — California Independent System Operator
3.8 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2024
Operating Since
Coordinates
37.6269, -122.4283
County
San Mateo, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Google, Inc. | Google, Inc. | — |
| Owner(s) | Google, Inc. | Google, Inc. | — |
| Status | Operating | operating | — |
GEM identifies the owner as Google, Inc.
This entity is not yet in the GEM ownership database — chain unavailable.
The Google Bayhill Solar PV and Microgrid is a hybrid power plant located in San Mateo County, California. Owned and operated by Google, Inc., the facility began operation in 2024 and has a total capacity of 3.8 MW. The plant utilizes solar photovoltaic technology in conjunction with battery energy storage. It consists of two generators and employs a fixed tilt solar tracking system. The battery energy storage system (BESS) has a capacity of 5.3 MWh and a duration of 2.04 hours, utilizing lithium-ion battery chemistry (LIB).
The plant's primary fuel source is listed as MWH, reflecting its reliance on solar energy. In its latest year of operation, the Google Bayhill Solar PV and Microgrid generated 1035 MWh of electricity, resulting in a capacity factor of 3.1%. The facility operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. In terms of size, the plant ranks 239th out of 300 power plants in California and 1044th out of 1205 nationally.
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
0.48 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
48 MWh
Net Discharge
1.0K MWh
Annual Net Energy
3.1%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $5.2M
Point of Interconnection
Nearest Substation
San Bruno Substation · 60 kV
Substation Distance
1.738 km
Operator
Pacific Gas and Electric Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
SNTHLNE_6_N001
Pricing Hub
TH_NP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
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