Aratina Solar Center 1B — Plant Summary
- EIA Plant ID
- 61167
- Capacity
- 325 MW
- Primary Fuel
- Solar
- Technology
- Batteries, Solar Photovoltaic
- Status
- Under construction
- Location
- San Bernardino, CA
- Operating Since
- —
- Generators
- 2
- Operator
- 91MC 8me LLC
- Parent Company
- —
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Aratina Solar Center 1B
Under constructionBESSSolarHybridGEM: construction
Ranked #21 of 963 Solar plants in CA#107 of 7447 nationally
325 MW Batteries (125 MW) + Solar Photovoltaic (200 MW) under construction in San Bernardino, CA — California Independent System Operator
EIAGEM
325 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
—
Operating Since
Location
Coordinates
34.9880, -117.5716
County
San Bernardino, CA
Nearby Plants
- Aratina Solar Center 1ABESS195 MW · 0.0 km
- Resurgence SolarBESS165 MW · 3.2 km
- Resurgence Solar IIBESS88 MW · 3.2 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | 91MC 8me LLC | — | — |
| Owner(s) | 91MC 8me LLC | — | — |
| Status | Under construction | construction | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Aratina Solar Center 1B is a 325 MW hybrid power plant located in San Bernardino County, California. The facility, identified by plant ID 61167, is owned and operated by 91MC 8me LLC. The plant utilizes both solar photovoltaic technology and batteries, with electricity designated as its primary fuel type. It consists of two generators employing fixed-tilt solar tracking.
The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Aratina Solar Center 1B holds the rank of 28th largest among 112 power plants in California and 126th nationally out of 514 plants. The plant has been the subject of 10 news articles, with coverage focusing on regulatory matters (7 articles), deals (2 articles), and industry news (1 article).
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
No generation data available for this plant.
Financial Data
No financial data available for this plant.
Pricing & Market Data
MEDIUM confidencePoint of Interconnection
Nearest Substation
Segs 7
Substation Distance
2.643 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
SUNGEN_1_B1
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
News & Articles (10)Beta
Industry·corporate
Solar project stirs dust-up in Boron
The community of Boron in eastern Kern County is a little dusty to start with, as close as it is to a large open-pit mine,...
Tehachapi News·6 months ago
Deals·project finance
US renewables and battery storage developers Avantus, Arevon, and Clearway secure financing
Avantus has closed more than US$500 million 200MW/500MWh Aratina 1 battery energy storage system (BESS) project in Kern County, California.
Avantus (developer)Arevon (developer)
Energy-Storage.News·8 months ago
Regulatory·permitting
Stop Aratina Solar Project Rally held in Boron | News | desertnews.com
BORON – A handful of Boron residents turned out for a rally to protest the building of a solar farm just outside their backyard,...
Aratina Solar Project (developer)
desertnews.com·1 years ago
Regulatory·permitting
As crews chainsaw Joshua trees, Mojave Desert community protests solar energy project
Tree-cutting crews working for Avantus arrived in late August. The company is building the Aratina Solar Center.
Avantus (developer)Aratina Solar Center (developer)
Los Angeles Times·1 years ago
Last updated 2026-03-14
View all 10 articles