Sun Valley Storage

Power plant · Storage

Key facts

Power plant · Storage Operating

Commissioned: 2024
Grid: 345 kV to Oncor Electric Delivery Company LLC (ERCO)
Location: Hill County, Texas
Operated by: Sun Valley Storage LLCSourceEIA-860M Preliminary Monthly Electric Generator Inventory

Net generation MWh by year, 2025 to 2026

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

Attributes
Attribute	Value
Grid	Nerc region TRE Report year 2025 Grid voltage kv 345 Transmission owner Oncor Electric Delivery Company LLC Balancing authority code ERCO Balancing authority name Electric Reliability Council of Texas, Inc.
Fuel burned (MMBtu), 2025	0
Net generation (MWh), 2025	-6,418
Balancing authority code	ERCO

Data notes (1)

Capacity factor, 2025 not shown: net generation -6418.0 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

Projects within 15 mi, nearest first.
Project	Kind	Away	MW
Ash Creek BESS Announced	Storage	2.9 mi	306
OCI Hillsboro Announced	Solar + storage	5.8 mi	400
Vial BESS Contracted	Storage	7.1 mi	135.2
Leitrim Solar Park Permitted	Solar	11.7 mi	91.2
Pepper Solar Farm Contracted	Solar	12.5 mi	120.7
NEXUS DATA CENTER - APEX PROJECT Under construction	Large load	13.7 mi
Hillsboro Solar Project Under construction	Solar	14.1 mi	10
NEXUS DATA CENTER HUBBARD Under construction	Large load	14.3 mi

Sources