Coffeen Solar BESS

OperatingBESSSolarHybrid

Ranked #31 of 325 Solar plants in IL#1395 of 7447 nationally

46.2 MW Batteries (2 MW) + Solar Photovoltaic (44 MW) operating in Montgomery, IL — Midcontinent Independent Transmission System Operator, Inc..

EIAGEM

46.2 MW

Nameplate Capacity

Generators

units

Hybrid (2)

Technology

Batteries + Solar Photovoltaic

2024

Operating Since

Location

Coordinates

39.0690, -89.3934

County

Montgomery, IL

Nearby Plants

Anacott
Solar5 MW · 10.0 km

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	Vistra Corp	Vistra Corp [100%]	—
Owner(s)	Vistra Corp	Vistra	—
Status	Operating	operating	—

Ownership Chain

About

Coffeen Solar BESS is a 46.2 MW hybrid power plant located in Montgomery County, Illinois. The plant, which began operating in 2024, is owned and operated by Vistra Corp. It utilizes both solar photovoltaic technology and battery energy storage systems (BESS). The BESS component has a storage capacity of 8 MWh and a duration of 4 hours, employing lithium-ion battery (LIB) chemistry. The solar array uses single-axis tracking.

The plant's primary fuel is electricity (MWH), and it operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority, within the SERC NERC region. In its latest year of operation, Coffeen Solar BESS generated 85,057 MWh, achieving a capacity factor of 21.0%. Coffeen Solar BESS is ranked 6th out of 12 solar plants in Illinois, and 623rd out of 1205 nationally. Financial data is available for the plant from LBNL, and regulatory news articles exist.

Generated from EIA, GEM, and public data sources

EIA Plant Profile Global Energy Monitor

Engineering & Generators