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Santee BESS — Power plant · Storage · San Diego Gas & Electric CoEnerSmart El Cajon BESS — Postponed · Storage · CA · 3 MW · 4.3 mi awayEnerSmart Murray BESS — Postponed · Storage · CA · 21 MW · 5.5 mi awayAlvarado Hydro Facility — Postponed · Hydro · CA · 1.4 MW · 6.6 mi awayPomerado Energy Storage, LLC — Postponed · Storage · CA · 6 MW · 7.2 mi awayL3 Harris San Diego — Under construction · Solar · CA · 1.6 MW · 9.9 mi awayRancho Penasquitos — Under construction · Hydro · CA · 4.3 MW · 10.2 mi awayEnerSmart Mesa Heights Sub Station — Under construction · Storage · CA · 3 MW · 10.8 mi away
  • Clean firm
  • Wind & solar
  • Storage
  • Under construction
  • Operating
  • 10 · 100 · 1,000 MW

Santee BESS

Power plant · Storage

Key facts

Power plant · Storage Operating
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
2026
Grid
12 kV to San Diego Gas & Electric Co (CISO)
Location
San Diego County, California
Operated by
San Diego Gas & Electric CoSourceEIA-860M Preliminary Monthly Electric Generator Inventory

Details

Who’s behind it

No companies named in filings yet.

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Technology
Storage source: “Batteries”
Age
0 years since 2026
All 2 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
Attributes
AttributeValue
Grid
Nerc region
WECC
Report year
2025
Grid voltage kv
12
Transmission owner
San Diego Gas & Electric Co
Balancing authority code
CISO
Balancing authority name
California Independent System Operator
Balancing authority codeCISO

Timeline

  • In service · EIA-860M

Around this plant

Nearby

within 15 mi
Projects within 15 mi, nearest first.
ProjectKindAwayMW
EnerSmart El Cajon BESS Postponed Storage 4.3 mi 3
EnerSmart Murray BESS Postponed Storage 5.5 mi 21
Alvarado Hydro Facility Postponed Hydro 6.6 mi 1.4
Pomerado Energy Storage, LLC Postponed Storage 7.2 mi 6
L3 Harris San Diego Under construction Solar 9.9 mi 1.6
Rancho Penasquitos Under construction Hydro 10.2 mi 4.3
EnerSmart Mesa Heights Sub Station Under construction Storage 10.8 mi 3

Sources EIA-860M

Sources

  • EIA-860MOpen license · retrieved Nov 4, 2026

Attribution