Hydro power plants in Illinois
Illinois has 8 operating hydro power plants with 0.0 GW of capacity.
- Operating8
Under 50 MW50–249 MW250 MW and up
Updated monthly. Last updated November 2026.
The largest hydro power plants in Illinois
Operating, by capacity
| # | Hydro power plant | Year online | Capacity |
|---|---|---|---|
| 1 | Lockport Powerhouse | 2001 | 16 MW |
| 2 | City of Peru Hydro-Electric Generating S | 1996 | 8 MW |
| 3 | Dayton Hydro | 1925 | 4 MW |
| 4 | Moline | 1942 | 4 MW |
| 5 | Dixon Hydroelectric Dam | 1925 | 3 MW |
| 6 | Upper Sterling | 1988 | 2 MW |
| 7 | Kankakee Hydro Facility | 1991 | 1 MW |
| 8 | Rockton | 1929 | 1 MW |
Hydro power plants that came online most recently in Illinois
Newest first
| # | Hydro power plant | Year online | Capacity |
|---|---|---|---|
| 1 | Lockport Powerhouse | 2001 | 16 MW |
| 2 | City of Peru Hydro-Electric Generating S | 1996 | 8 MW |
| 3 | Kankakee Hydro Facility | 1991 | 1 MW |
| 4 | Upper Sterling | 1988 | 2 MW |
| 5 | Moline | 1942 | 4 MW |
| 6 | Rockton | 1929 | 1 MW |
| 7 | Dixon Hydroelectric Dam | 1925 | 3 MW |
| 8 | Dayton Hydro | 1925 | 4 MW |
The developer behind each project is on paid plans. See plans
How Cleanview tracks hydro power plants
Operating hydro power plants 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 hydro power plants in Illinois
- How many hydro power plants are in Illinois?
- Illinois has 8 operating utility-scale hydro power plants with 0.0 GW of capacity, according to the EIA's monthly survey of power plants.
- What is the largest hydro power plant in Illinois?
- Lockport Powerhouse in Will County, Illinois is the largest, at 16 MW. It came online in 2001.
- How many hydro power plants were built in Illinois in 2025?
- 0 hydro power plants came online in Illinois in 2025, with 0 MW of capacity.
- Who is developing hydro power plants 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
Hydro power plants in other states
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