LeConte Energy Storage — Plant Summary
- EIA Plant ID
- 64701
- Capacity
- 125 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Imperial, CA
- Operating Since
- 2022
- Generators
- 1
- Operator
- LeConte Energy Storage, LLC
- Parent Company
- —
- Annual Generation
- -21,656 MWh
- Capacity Factor
- -2.0%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
LeConte Energy Storage
OperatingBESS
Ranked #42 of 191 BESS plants in CA#271 of 837 nationally
125 MW BESS operating in Imperial, CA — California Independent System Operator
EIAWD
125 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2022
Operating Since
Location
Coordinates
32.6772, -115.6702
County
Imperial, CA
Nearby Plants
- Drew Solar LLCSolar100 MW · 1.1 km
- Imperial Solar Energy Center SouthSolar128.9 MW · 1.9 km
- Centinela Solar EnergySolar174.8 MW · 2.4 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | LeConte Energy Storage, LLC | — | — |
| Owner(s) | LeConte Energy Storage, LLC | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
LeConte Energy Storage is a 125 MW battery energy storage system (BESS) located in Imperial County, California. The plant, which began operating in 2022, is owned and operated by LeConte Energy Storage, LLC. It consists of a single generator utilizing lithium-ion battery (LIB) technology. The facility has a total storage capacity of 250 MWh, providing a duration of 2 hours at its full power output.
LeConte Energy Storage operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. The plant's primary fuel is listed as "MWH," indicating that it draws power from the grid to charge its batteries. Financial data indicates a power purchase agreement (PPA) price of $5.9 per MWh, as reported to FERC. LeConte Energy Storage is ranked as the 95th largest power plant in California out of 112, and 432nd nationally out of 514.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
−1.5K MWh
Net Charging
-21.7K MWh
Annual Net Energy
-2.0%
Capacity Factor
Jan 2023 – Dec 2025
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.
Financial DataBeta
Source: FERC Electric Quarterly ReportsHIGH
$5.9/MWh
PPA Price
LeConte Energy Storage, LLC
Contract Seller
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
LC-MV_7_N001
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
News & Articles (7)Beta
Industry·technology
Wärtsilä has delivered a 125 MW / 250 MWh energy storage system to REV Renewables to support grid stability and meet decarbonisation goals in California
Wärtsilä reached substantial completion on a 125-megawatt (MW) / 250-megawatt hour (MWh) energy storage system in Calexico, California, USA, for REV Renewables.
Wärtsilä (other)REV Renewables (other)
Wartsila·3 years ago
General
Amid California’s heatwaves and fires, ‘world’s largest’ battery project is being switched on
LS Power's Gateway project in San Diego: the first phase was initially just over 60MW, and now the system stands at 230MW, set for a further 20MW expansion.
Energy-Storage.News·4 years ago
Grid·capacity addition
World’s largest battery storage system now operational
LS Power's 250 MW Gateway project in San Diego, California, is the biggest storage battery in the world.
LS Power (developer)
pv magazine International·5 years ago
General
LS Power Energizes Largest Battery Storage Project in the World, The 250 MW Gateway Project in California
The 250 megawatt (MW) Gateway project, located in the East Otay Mesa community in San Diego County, California, enhances grid reliability and reduces customer...
PR Newswire·5 years ago
Last updated 2026-03-26
View all 7 articles