Antelope Big Sky Ranch — Plant Summary
- EIA Plant ID
- 60279
- Capacity
- 20 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Los Angeles, CA
- Operating Since
- 2016
- Generators
- 1
- Operator
- AES Distributed Energy
- Parent Company
- —
- Annual Generation
- 53,971 MWh
- Capacity Factor
- 30.7%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Antelope Big Sky Ranch
OperatingSolar
Ranked #246 of 963 Solar plants in CA#1771 of 7447 nationally
20 MW Solar operating in Los Angeles, CA — California Independent System Operator
EIAGEMWD
20 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2016
Operating Since
Location
Coordinates
34.6939, -118.2893
County
Los Angeles, CA
Nearby Plants
- Central Antelope Dry Ranch B LLCSolar3 MW · 1.7 km
- Lancaster Area BatteryBESS127 MW · 1.8 km
- Luna StorageBESS100 MW · 1.9 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | AES Distributed Energy | AES Distributed Energy | — |
| Owner(s) | AES Distributed Energy | SPower LLC [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as SPower LLC [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Antelope Big Sky Ranch is a 20 MW solar photovoltaic power plant located in Los Angeles County, California. The plant, which began operating in 2016, utilizes single-axis tracking technology. It is owned and operated by AES Distributed Energy. The plant is interconnected to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) region.
In its most recent year of operation, Antelope Big Sky Ranch generated 53,971 MWh of electricity, achieving a capacity factor of 30.7%. The plant holds a ranking of 140 out of 862 solar facilities in California, and a national ranking of 1407 out of 7108. Financial data indicates a power purchase agreement (PPA) price of $69.73 per MWh, according to data from Lawrence Berkeley National Laboratory (LBNL).
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
220 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
2.5K MWh
Latest Month
54.0K MWh
Annual Generation
30.7%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$54.7/MWh
LCOE (Levelized Cost)
$69.7/MWh
PPA Price
$10.5/MWh
Energy Value
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Antelope Substation · 500 kV
Substation Distance
1.627 km
Operator
Southern California Edison
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
TOT427A_7_N001
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
News & Articles (1)Beta
Industry·corporate
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Last updated 2026-03-14
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