Battery storage projects in Illinois
Illinois has 8 operating battery storage projects with 0.1 GW of capacity.
- Operating8
Under 50 MW50–249 MW250 MW and up
Updated monthly. Last updated November 2026.
The largest battery storage projects in Illinois
Operating, by capacity
| # | Battery storage project | Year online | Capacity |
|---|---|---|---|
| 1 | Grand Ridge Battery Projects | 2015 | 36 MW |
| 2 | FPL Energy Illinois Wind LLC Hybrid | 2014 | 20 MW |
| 3 | McHenry Battery Storage | 2016 | 20 MW |
| 4 | Marengo Battery Storage LLC | 2018 | 20 MW |
| 5 | Newton Solar BESS LLC | 2026 | 2 MW |
| 6 | Coffeen Solar BESS | 2024 | 2 MW |
| 7 | Baldwin Solar BESS | 2024 | 2 MW |
| 8 | TAC-Distributed Energy Resource Hybrid | 2017 | 0 MW |
Battery storage projects that came online most recently in Illinois
Newest first
| # | Battery storage project | Year online | Capacity |
|---|---|---|---|
| 1 | Newton Solar BESS LLC | 2026 | 2 MW |
| 2 | Coffeen Solar BESS | 2024 | 2 MW |
| 3 | Baldwin Solar BESS | 2024 | 2 MW |
| 4 | Marengo Battery Storage LLC | 2018 | 20 MW |
| 5 | TAC-Distributed Energy Resource Hybrid | 2017 | 0 MW |
| 6 | McHenry Battery Storage | 2016 | 20 MW |
| 7 | Grand Ridge Battery Projects | 2015 | 36 MW |
| 8 | FPL Energy Illinois Wind LLC Hybrid | 2014 | 20 MW |
The developer behind each project is on paid plans. See plans
How Cleanview tracks battery storage projects
Operating battery storage projects come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.
Questions about battery storage projects in Illinois
- How many battery storage projects are in Illinois?
- Illinois has 8 operating utility-scale battery storage projects with 0.1 GW of capacity, according to the EIA's monthly survey of power plants.
- What is the largest battery storage project in Illinois?
- Grand Ridge Battery Projects in LaSalle County, Illinois is the largest, at 36 MW. It came online in 2015.
- How many battery storage projects were built in Illinois in 2025?
- 0 battery storage projects came online in Illinois in 2025, with 0 MW of capacity.
- Who is developing battery storage projects in Illinois?
- Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.
More energy trackers for Illinois
Battery storage projects in other states
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