Chula Vista Energy Center 2

Under constructionBESS

Ranked #92 of 194 BESS plants in CA#458 of 963 nationally

50 MW BESS under construction in San Diego, CA — California Independent System Operator

EIA

50 MW

Nameplate Capacity

Generators

unit

Batteries

Technology

—

Operating Since

Location

Coordinates

32.5951, -117.0586

County

San Diego, CA

Nearby Plants

EnerSmart Chula Vista Sub Station
BESS6 MW · 0.7 km
County of San Diego SBRC
Solar1.3 MW · 4.6 km
SeaWorld Aquatica
Solar1.1 MW · 5.1 km

Status

Latest milestoneCity Council approvalSan Diego Union-Tribune · 2025-10-08

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	Wellhead Services, Inc	Wellhead Services	—
Owner(s)	Wellhead Services, Inc	Wellhead Electric Company	—
Status	Under construction	—	—

Ownership Chain

DeveloperWellhead Electric CompanySan Diego Union-Tribune · 2025-10-08

About

Chula Vista Energy Center 2 is a 50 MW battery storage facility located in San Diego County, California. The plant is owned by Wellhead Electric Company and operated by Wellhead Services, Inc. It consists of a single generator utilizing battery technology. The facility is within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.

Chula Vista Energy Center 2 is ranked as the 155th largest power plant in California out of 300 facilities, and nationally it is ranked 608th out of 1205. The plant's primary fuel source is listed as MWH, indicating it draws power from the grid to charge its batteries.

Generated from EIA, GEM, and public data sources

EIA Plant Profile

Engineering & Generators

Grid Context

ISO/RTO

CAISO

Market

ISO/RTO Member

NERC Region

WECC — Western Electricity Coordinating Council

Balancing Authority

Interconnection Queue1 projectBeta