Michigan has 63 solar farms in the EIA Form 860 database, with a combined installed capacity of 1,310 MW. Of those, 7 plants are utility-scale (50 MW or larger), including 1 mega-projects of 200 MW or more. The largest single facility is Calhoun Solar in Battle Creek, Calhoun County — a 200 MW plant operated by Invenergy Services LLC.
Use the interactive Michigan solar farms map below to explore every plant, color-coded by technology type and sized by capacity. Click any solar farm for its name, operator, capacity (MW), technology, and location — or view the full US solar farms interactive map to compare Michigan to every other state.
Type
Capacity
Michigan Solar Farms by the Numbers
- 63 total solar farms in Michigan (EIA Form 860 (US Energy Information Administration), latest reporting period)
- 1,310 MW total installed solar capacity
- 7 utility-scale plants (50 MW or larger)
- 1 mega-projects rated 200 MW or larger
- 31 small / community-scale plants (under 5 MW)
Michigan Solar Farms by Technology Type
- 62 Solar Photovoltaic (PV) — standard panel installations, the dominant technology nationwide
- 1 Solar PV with Battery Storage — newer hybrid plants that pair panels with on-site batteries to store excess generation
The 15 Largest Solar Farms in Michigan
The largest solar farm in Michigan by installed capacity is Calhoun Solar at 200 MW. The 15 largest Michigan solar farms from the latest EIA filing:
| # | Solar Farm | Operator | Capacity | Location |
|---|---|---|---|---|
| 1 | Calhoun Solar | Invenergy Services LLC | 200 MW | Battle Creek, Calhoun |
| 2 | Sauk Solar Park | DTE Electric Company | 150 MW | Union City, Branch |
| 3 | River Fork Solar, LLC | River Fork Solar, LLC | 149 MW | Albion, Calhoun |
| 4 | Assembly Solar II LLC | Assembly Solar II LLC | 110 MW | Lennon, Shiawassee |
| 5 | Cereal City Solar, LLC | Cereal City Solar, LLC | 100 MW | Battle Creek, Calhoun |
| 6 | Assembly Solar III | Assembly Solar III, LLC | 79 MW | Lennon, Shiawassee |
| 7 | Assembly Solar Project | Assembly Solar I, LLC | 50 MW | Venice Township, Shiawassee |
| 8 | Demille Solar Farm | DTE Electric Company | 28 MW | Lapeer, Lapeer |
| 9 | Blue Elk II Solar, LLC | Blue Elk II Solar, LLC | 20 MW | Mason, Ingham |
| 10 | Temperance Solar, LLC | National Grid Renewables | 20 MW | Erie, Monroe |
| 11 | Macbeth Solar | Macbeth Solar, LLC | 20 MW | Montague, Muskegon |
| 12 | Pullman Solar, LLC | AES Distributed Energy | 20 MW | Lee Township, Allegan |
| 13 | Cement City Solar, LLC | AES Distributed Energy | 20 MW | Cement City, Lenawee |
| 14 | Blue Elk III Solar, LLC | Blue Elk III Solar, LLC | 20 MW | Eaton Rapids, Ingham |
| 15 | Blue Elk IV Solar, LLC | Blue Elk IV Solar, LLC | 20 MW | Adrian, Lenawee |
Top Solar Operators in Michigan
Five operators account for the largest share of solar generation in Michigan:
- DTE Electric Company — 6 plants, 202 MW total
- Invenergy Services LLC — 1 plant, 200 MW total
- River Fork Solar, LLC — 1 plant, 149 MW total
- Assembly Solar II LLC — 1 plant, 110 MW total
- Cereal City Solar, LLC — 1 plant, 100 MW total
Solar Permitting and Regulation in Michigan
Utility-scale solar in Michigan is overseen by the Michigan Public Service Commission. Wholesale market participation and interconnection are regulated by the Federal Energy Regulatory Commission (FERC) and the relevant ISO/RTO. All generators above 1 MW must report capacity, fuel type, and location to the EIA via Form 860 — the dataset used in this map.
Frequently Asked Questions
How many solar farms are in Michigan?
Michigan has 63 solar farms in the latest EIA Form 860 filing — a combined 1,310 MW of installed capacity. Of those, 7 are utility-scale (50 MW or larger).
What is the largest solar farm in Michigan?
The largest solar farm in Michigan is Calhoun Solar, located in Battle Creek (Calhoun County), with 200 MW of installed capacity. It is operated by Invenergy Services LLC.
How much solar capacity does Michigan have?
Michigan has 1,310 MW of installed solar capacity across 63 plants reporting to the EIA. This counts only the solar portion (Solar_MW field) — co-located batteries and other generation are reported separately.
Who regulates solar farms in Michigan?
Solar farms in Michigan are regulated by the Michigan Public Service Commission at the state level, with federal oversight from FERC. The EIA collects annual data on every utility-scale solar plant via Form 860.
View all 6,406 US solar farms on the national interactive map

