SolarOperatingMISO

SPG IL Green River CSG

Solar power plant in Henry County, Illinois. 2.8 MW of nameplate capacity across 1 generator, operated by Standard Solar.

Also known as EIA plant 69789

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6 plants within 24 km, from EIA coordinates.

Key facts

Capacity: 2.8 MWNameplate
Generators: 1 operatingEIA-860M, August 2026
Operating since: May 2026First generator online
Operator: Standard SolarEIA operator ID 60531
Grid: MISOBalancing authority MISO
Price nodes: None linkedNo verified ISO node
Location: Henry County, IL41.5588, −89.9203
EIA plant ID: 69789EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power SPG IL Green River CSG produces

Free · EIA-923

EIA-923 has no net generation reported for this plant.

Power prices and basis

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No verified ISO price node is linked to this plant, or its price history could not load.

Emissions

Free · EPA CAMPD

No EPA emissions units are linked to this plant.

Water use

Free · EIA-923 cooling, USGS

No EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.

Generators

Free · EIA-860M

Generator	Technology	Nameplate MW	Online since
GREEN	Solar Photovoltaic	2.8	May 2026

Ownership and offtake

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Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Standard Solar as the operator, which is not always the owner.

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Modeled data

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Pro adds modeled values for this plant. Everything above stays free.

Modeled

Modeled curtailment

A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.

Modeled

Expected vs reported generation

Monthly modeled expected output and physical potential next to EIA-923 reported output.

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Power plants near SPG IL Green River CSG

YagerSolar · 2 MW · 12.2 km Prophet CSGSolar · 2 MW · 20.5 km GeneseoNatural gas · 33.6 MW · 22.4 km Round Grove 1Solar · 2 MW · 22.7 km Round Grove 2Solar · 2 MW · 22.8 km Yorktown 1 SolarSolar · 2 MW · 23.8 km

More plants operated by Standard Solar

Mt. Home Solar 1, LLCSolar · 20 MW · Elmore County, ID Kieffer FunkSolar · 12 MW · Washington County, MD Wheeler Gulch Solar, LLCSolar · 9.9 MW · Garfield County, CO City of Gallup SolarSolar · 8 MW · McKinley County, NM NL MA - CopicutSolar · 8 MW · Bristol County, MA Wright Kirby 1-5 CSGSolar · 5 MW · Wright County, MN

All 626 plants in Illinois More solar farms in Illinois 8 plants in Henry County Largest power plants in Illinois MISO on the mapStandard Solar: 125 plants

Questions about SPG IL Green River CSG

Where is SPG IL Green River CSG?

SPG IL Green River CSG is in Henry County, Illinois, at 41.5588, −89.9203. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).

Who operates SPG IL Green River CSG?

EIA-860M for August 2026 lists Standard Solar as the operator (EIA operator ID 60531). The operator is not always the owner.

When did SPG IL Green River CSG start operating?

Its first generator began operating in May 2026, according to EIA-860M.

Sources

EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page