Edwards Sanborn E1A

OperatingBESSSolarHybrid

Ranked #28 of 963 Solar plants in CA#154 of 7447 nationally

293.3 MW Batteries (144 MW) + Solar Photovoltaic (149 MW) operating in Kern, CA — California Independent System Operator

EIAGEMWD

293.3 MW

Nameplate Capacity

Generators

units

Hybrid (2)

Technology

Batteries + Solar Photovoltaic

2022

Operating Since

Location

Coordinates

34.9619, -118.1242

County

Kern, CA

Nearby Plants

Sanborn BESS 4
BESS47 MW · 1.6 km
Edwards Sanborn E3
BESS38.1 MW · 1.7 km
Edwards Sanborn E2
BESS257.8 MW · 2.3 km

Ownership & Operator

Owner data does not fully agree across sources.

EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.

Field	EIA	GEM	Wikidata
Operator	Terra-Gen Operating Co-Hybrid	Terra-Gen	—
Owner(s)	Terra-Gen Operating Co-Hybrid	Terra-Gen [100%]	—
Status	Operating	operating	—

Ownership Chain

GEM identifies the owner as Terra-Gen [100%]

This entity is not yet in the GEM ownership database — chain unavailable.

About

Edwards Sanborn E1A is a hybrid power plant located in Kern County, California. The facility, which came online in 2022, is owned and operated by Terra-Gen Operating Co-Hybrid. It has a total capacity of 293.3 MW derived from solar photovoltaic generation and battery energy storage. The plant utilizes single-axis trackers for its solar panels. The battery energy storage system (BESS) has a capacity of 272 MWh and a duration of 1.89 hours, employing lithium-ion battery chemistry (LIB).

The plant's latest annual generation was 332,647 MWh, resulting in a capacity factor of 12.9%. Edwards Sanborn E1A operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. The plant is ranked 38th out of 112 power plants in California and 169th out of 514 nationally. Financial data is available for the plant from LBNL, and it has been the subject of three news articles, two focusing on grid-related issues and one on regulatory matters.

Generated from EIA, GEM, and public data sources

EIA Plant Profile Wikidata Global Energy Monitor

Engineering & Generators