Iron BESS — Plant Summary
- EIA Plant ID
- 68924
- Capacity
- 59.5 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Planned
- Location
- Fresno, CA
- Operating Since
- —
- Generators
- 1
- Operator
- Panoche BESS LLC
- Parent Company
- —
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Iron BESS
PlannedBESS
Ranked #83 of 191 BESS plants in CA#389 of 837 nationally
59.5 MW BESS planned in Fresno, CA — California Independent System Operator
EIA
59.5 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
Planned: —
Planned Operation
Location
Coordinates
36.6527, -120.5783
County
Fresno, CA
Nearby Plants
- Midway BESSBESS124.6 MW · 0.0 km
- Wellhead Power PanocheNatural Gas56.7 MW · 0.1 km
- Midway Peaking LLCNatural Gas139.8 MW · 0.2 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Panoche BESS LLC | — | — |
| Owner(s) | Panoche BESS LLC | — | — |
| Status | Planned | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Iron BESS is a 59.5 MW battery energy storage system located in Fresno County, California. The plant is owned and operated by Panoche BESS LLC. It utilizes batteries as its primary technology and MWH as its fuel source. The plant has one generator.
Iron BESS operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. It is ranked as the 150th largest power plant in California out of 300, and nationally it is ranked 592nd out of 1205. Recent news articles about the plant have focused on deals and hazards.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
115 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
Panoche Substation · 230 kV
Substation Distance
< 10 km
Operator
Pacific Gas and Electric Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
np15
Pricing Hub
TH_ZP26_GEN-APND
Node Source
EIA-860 direct report
News & Articles (10)Beta
Deals·other
Google: Minnesota data centre energy deal includes 30GWh 'multi-day' iron-air batteries from Form Energy
Xcel Energy will install 30GWh of Form Energy's iron-air batteries at a data centre in Minnesota, belonging to tech giant Google.
Xcel Energy (buyer)Form Energy (seller)
Energy-Storage.News·4 weeks ago
General
When the world’s largest battery power plant caught fire, toxic metals rained down – wetlands captured the fallout
The Moss Landing battery fire became an unintended experiment – showing how burning lithium-ion cells scattered nickel, cobalt and manganese...
The Conversation·3 months ago
General
When the world’s largest battery power plant caught fire, toxic metals rained down – wetlands captured the fallout
The Moss Landing battery fire became an unintended experiment – showing how burning lithium-ion cells scattered nickel, cobalt and manganese...
The Conversation·3 months ago
General
Canadian LG Energy Solution and Stellantis joint venture to produce LFP cells for BESS
NextStar Energy, Canada's first large-scale Li-ion battery manufacturing plant, is expanding to produce ESS batteries.
Energy-Storage.News·4 months ago
Last updated 2026-03-26
View all 10 articles