Eldorado Solar I — Plant Summary
- EIA Plant ID
- 67972
- Capacity
- 150 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Saline, IL
- Operating Since
- 2025
- Generators
- 1
- Operator
- Sol Systems
- Parent Company
- —
- Annual Generation
- 308,348 MWh
- Capacity Factor
- 23.5%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- SERC
Eldorado Solar I
OperatingSolar
Ranked #10 of 325 Solar plants in IL#530 of 7447 nationally
150 MW Solar operating in Saline, IL — Midcontinent Independent Transmission System Operator, Inc..
EIAGEM
150 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2025
Operating Since
Location
Coordinates
37.8526, -88.4491
County
Saline, IL
Nearby Plants
- Mammoth Central Solar ProjectSolar300 MW · 1.9 km
- Meadow Springs Renewable Energy (Hybrid)BESS300 MW · 24.4 km
- Big River SolarSolar149 MW · 26.6 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Sol Systems | Sol Systems | — |
| Owner(s) | Sol Systems | Sol Systems | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Sol Systems
This entity is not yet in the GEM ownership database — chain unavailable.
About
Eldorado Solar I is a 150 MW solar photovoltaic power plant located in Saline County, Illinois. The plant, which began operating in 2025, is owned and operated by Sol Systems. It utilizes a fixed-tilt solar tracking system. As of the latest available data, Eldorado Solar I generated 308,348 MWh annually, achieving a capacity factor of 23.5%.
The plant is connected to the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and is situated within the SERC NERC region. Eldorado Solar I ranks as the 11th largest solar plant in Illinois out of 19, and 389th nationally out of 639.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
145 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Interconnection Queue1 projectBeta
OperationalSolar150 MWMISOLBNL + Live
Generation
11.9K MWh
Latest Month
308.3K MWh
Annual Generation
23.5%
Capacity Factor
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Eldorado M09 Substation
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
AMIL.ELD150
Pricing Hub
ILLINOIS.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
News & Articles (10)Beta
Deals·m and a
Sol Systems Acquires Wolf Creek Renewable Energy Center in Saline County, Illinois
Washington, D.C.--(Newsfile Corp. - March 13, 2026) - Sol Systems, a leading national clean energy developer and independent power producer...
Sol Systems (buyer)
Digital Journal·Yesterday
Deals·other
Factor This finance and project development roundup: ArcLight, Arevon, Aypa Power, Octopus, Sol Systems
ArcLight acquires stake in 5.4 GW of power projects, Arevon closes on $920M in financing, Aypa Power secures funding for Ontario energy storage, Octopus Australia breaks ground on a $900M project, and Sol Systems shares two solar milestones.
ArcLight (buyer)Arevon (other)
Power Engineering·1 weeks ago
Industry·corporate
6 projects that helped Microsoft meet its renewable energy goal
From solar farms in Australia to hydroelectric power plants in the U.S., renewable energy projects are making more electricity available to...
Microsoft (buyer)
Microsoft Source·3 weeks ago
Industry·technology
US solar capacity overtakes wind
Solar has become the largest renewable source of installed power capacity in the United States, surpassing wind after 27 consecutive months...
pv magazine International·4 weeks ago
Last updated 2026-03-14
View all 10 articles