Sunlight Storage II

Power plant · Storage

Key facts

Power plant · Storage Operating

Commissioned: 2024
Net generation, 2025: -48,373 MWh
Grid: 220 kV to Southern California Edison Co (CISO)
Location: Riverside County, California
Operated by: Sunlight Storage IISourceEIA-860M Preliminary Monthly Electric Generator Inventory

Net generation MWh by year, 2024 to 2026

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All 4 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory

Attributes
Attribute	Value
Grid	Nerc region WECC Report year 2025 Grid voltage kv 220 Transmission owner Southern California Edison Co Balancing authority code CISO Balancing authority name California Independent System Operator
Fuel burned (MMBtu), 2025	0
Net generation (MWh), 2025	-48,373
Balancing authority code	CISO

Data notes (1)

Capacity factor, 2025 not shown: net generation -48373.0 MWh is not positive (the plant consumed at least as much as it produced over the year)

3 sources

Sources

EIA-860MOpen license · retrieved Nov 4, 2026
EIAOpen license · retrieved Nov 1, 2026Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
EIA-860M Preliminary Monthly Electric Generator Inventory