Hummingbird Energy Storage LLC — Plant Summary
- EIA Plant ID
- 65395
- Capacity
- 75 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Under construction
- Location
- Santa Clara, CA
- Operating Since
- —
- Generators
- 1
- Operator
- Hummingbird Energy Storage, LLC
- Parent Company
- —
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Hummingbird Energy Storage LLC
Under constructionBESS
Ranked #73 of 191 BESS plants in CA#365 of 837 nationally
75 MW BESS under construction in Santa Clara, CA — California Independent System Operator
EIA
75 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
—
Operating Since
Location
Coordinates
37.2392, -121.7793
County
Santa Clara, CA
Nearby Plants
- Equinix San JoseNatural Gas1.1 MW · 0.3 km
- Equinix Great Oaks Blvd. Fuel CellNatural Gas4.5 MW · 0.4 km
- EQX015 Great Oaks Fuel CellNatural Gas4 MW · 0.4 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Hummingbird Energy Storage, LLC | — | — |
| Owner(s) | Hummingbird Energy Storage, LLC | — | — |
| Status | Under construction | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Hummingbird Energy Storage LLC, located in Santa Clara County, California, is a 75 MW battery energy storage system. The plant, identified by the EIA plant code 65395, is owned and operated by Hummingbird Energy Storage, LLC. It consists of a single generator utilizing batteries as its energy source, classified by the primary fuel code "MWH."
The facility operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. According to available rankings, the plant is the 136th largest in California out of 300 plants, and the 554th largest nationally out of 1205 plants. Recent news coverage indicates interest in the plant, with six articles published, focusing on grid-related topics, deals, and industry news.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
No generation data available for this plant.
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Humminbird Substation · 115 kV
Substation Distance
0.093 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
MECCTG1_7_N100
Pricing Hub
TH_ZP26_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
News & Articles (7)Beta
Industry·technology
IEP plans 944-MW behind-the-meter gas plant to power PA data center
Energy storage will be built alongside the gas plant, and there will be a backup grid connection, project partners said.
IEP (developer)
Yahoo Finance·7 months ago
Deals·debt financing
EsVolta secures $110m for 300 MWh battery in California
The energy storage facility, in San Jose, will provide resource adequacy support to utility Pacific Gas & Electric.
EsVolta (developer)Pacific Gas & Electric (other)
ESS News·1 years ago
Deals·debt financing
esVolta secures $110 million for 300 MWh battery project in California
The energy storage facility in San Jose will provide resource adequacy support to Pacific Gas & Electric.
esVolta (developer)Pacific Gas & Electric (other)
pv magazine USA·1 years ago
Grid·capacity addition
Vistra Energizes Massive 1.2-GWh Battery System at California Gas Plant
Vistra Energy, the nation's largest competitive generator, has begun operating a 300-MW/1200-MWh lithium-ion battery storage system on its...
Vistra Energy (operator)Vistra (operator)
POWER Magazine·5 years ago
Last updated 2026-03-26
View all 7 articles