Alta Sea

Power plant · Solar

Key facts

Power plant · Solar Operating

Commissioned: 2023
Net generation, 2025: 2,951 MWh
Grid: 34 kV to Los Angeles Department of Water & Power (LDWP)
Location: Los Angeles County, California
Operated by: Signal Street Operating, LLCSourceEIA-860M Preliminary Monthly Electric Generator Inventory

Net generation MWh by year, 2023 to 2025

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All 6 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory

Attributes
Attribute	Value
Gem	Unit ids G100000838260 Location id L100000832670 Eia plant ids 66395
Grid	Nerc region WECC Report year 2025 Grid voltage kv 34.50 Transmission owner Los Angeles Department of Water & Power Balancing authority code LDWP Balancing authority name Los Angeles Department of Water and Power
Fuel burned (MMBtu), 2025	10,069
Capacity factor, 2025	0.187
Net generation (MWh), 2025	2,951
Balancing authority code	LDWP

Source USPVDB

Source

USPVDBOpen license · retrieved Oct 25, 2026Map services and data are available from Large-Scale Solar Photovoltaic Database, provided by the U.S. Geological Survey and Lawrence Berkeley National Laboratory via https://energy.usgs.gov/uspvdb

5 sources

Sources

EIA-860MOpen license · retrieved Nov 4, 2026
GEMOpen license, with credit · retrieved Oct 26, 2026Global Integrated Power Tracker, Global Energy Monitor, September 2026 release (https://globalenergymonitor.org/projects/global-integrated-power-tracker), CC BY 4.0. Modified by Inframation: TransitionZero-sourced rows removed; statuses and technologies mapped to Inframation's vocabulary; figures aggregated. Copyright © Global Energy Monitor. Global Integrated Power Tracker, September 2026 release. Distributed under a Creative Commons Attribution 4.0 International License.
USPVDBOpen license · retrieved Oct 25, 2026Map services and data are available from Large-Scale Solar Photovoltaic Database, provided by the U.S. Geological Survey and Lawrence Berkeley National Laboratory via https://energy.usgs.gov/uspvdb
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
San Pedro Public Market (SPPM) Under construction	Solar	0.9 mi	1.2
Elevate Pier S Filed	Storage	4.2 mi	70
Watson Cogeneration Withdrawn	Gas, combined cycle	6.9 mi	94.2
Dominguez - SLLAX512 Under construction	Solar	8.8 mi	1.3
South Bay Dis Ctr 12 - SLLAX104 Under construction	Solar	9.0 mi	1.2
South Bay Dis Ctr 6-SLLAX680 Under construction	Solar	9.1 mi	1.3
Fordyce - SLLAX680 Under construction	Solar	9.1 mi	1.3
Torrance Dis Ctr 2 - SLLAX100 Under construction	Solar	9.1 mi	1.4
Cobalt Under construction	Solar + storage	11.6 mi	250

Sources