Athos Solar Project — Plant Summary
- EIA Plant ID
- 63300
- Capacity
- 250 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Riverside, CA
- Operating Since
- 2022
- Generators
- 1
- Operator
- SE Athos I, LLC
- Parent Company
- —
- Annual Generation
- 700,249 MWh
- Capacity Factor
- 31.9%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Athos Solar Project
OperatingSolar
Ranked #46 of 963 Solar plants in CA#208 of 7447 nationally
250 MW Solar operating in Riverside, CA — California Independent System Operator
EIAGEMWD
250 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2022
Operating Since
Location
Coordinates
33.7469, -115.3463
County
Riverside, CA
Nearby Plants
- SE Athos II, LLCSolar200 MW · 3.0 km
- Easley SolarBESS940 MW · 3.3 km
- Oberon Solar ProjectBESS375 MW · 3.9 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 | SE Athos I, LLC | Intersect Power | — |
| Owner(s) | SE Athos I, LLC | Intersect Power | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Intersect Power
This entity is not yet in the GEM ownership database — chain unavailable.
About
The Athos Solar Project is a 250 MW solar photovoltaic power plant located in Riverside County, California. The plant, owned and operated by SE Athos I, LLC, commenced operations in 2022. It utilizes single-axis tracking technology to maximize solar energy capture. The plant is interconnected with the California Independent System Operator (CAISO) balancing authority, within the Western Electricity Coordinating Council (WECC) NERC region.
In its most recent year of operation, the Athos Solar Project generated 700,249 MWh of electricity, achieving a capacity factor of 31.9%. Athos is the 14th largest solar plant in California (out of 59) and the 114th largest in the United States (out of 639). Financial data is available for the plant from LBNL, though specific details are not provided.
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
37.6K MWh
Latest Month
700.2K MWh
Annual Generation
31.9%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$32.3/MWh
LCOE (Levelized Cost)
$6.8/MWh
Energy Value
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
ATHOS_5_AP1X2-APND
Pricing Hub
TH_SP15_GEN-APND
Location Type
Aggregated Node
Node Source
Curated node match
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