How many battery storage projects are planned in Michigan?

Developers have proposed 68 battery storage projects in Michigan with 12 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.

What is the largest planned battery storage project in Michigan?

Stein - Rapson 345 kV line in Huron County, Michigan is the largest planned, at 500 MW. It is expected to come online in 2025.

Who is developing battery storage projects in Michigan?

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.

Planned battery storage projects in Michigan

Developers have proposed 68 battery storage projects in Michigan with 12 GW of capacity, in the grid operators' interconnection queues.

Planned68

See operating battery storage projects in Michigan

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

More planned battery storage projects in Michigan are expected online in 2028 than in any other year

2026’262027’272028’282029’292030’302031’312032’322033’33

Planned battery storage projects by the year they're expected online. Source: the grid operators' interconnection queues, compiled by Cleanview.

The 10 largest planned battery storage projects in Michigan

Planned, by capacity

#	Battery storage project	County	Expected online	Capacity
1	Stein - Rapson 345 kV line	Huron County	2025	500 MW
2	PERE MARQUETTE	Mason County	2030	400 MW
3	18MOROCCO 256583	Monroe County	2028	360 MW
4	RIVER ROUGE	Wayne County	2029	350 MW
5	ATLANTA - THETFORD [KARN] 138.0kV	Tuscola County	2029	300 MW
6	GRASSMERE	Huron County	2030	300 MW
7	GRASSMERE	Huron County	2030	300 MW
8	ARGENTA - PALISADES 345.0kV	Van Buren County	2029	250 MW
9	RAPSON	Huron County	2028	250 MW
10	ONEIDA	Eaton County	2028	250 MW

Planned battery storage projects expected online soonest in Michigan

In the next 18 months, soonest first

#	Battery storage project	County	Expected online	Capacity
1	NELSON ROAD - VERGENNES 345.0kV	Montcalm County	2026	225 MW
2	Trenton Channel Energy Center	Wayne County	2027	220 MW
3	Voyager Energy Storage	Washtenaw County	2027	100 MW
4	Grand Basin Energy Storage	Jackson County	2027	100 MW
5	IRONTON	Wayne County	2027	200 MW
6	18MURPHY	Saginaw County	2027	180 MW
7	Lenox 120kV	Macomb County	2027	100 MW
8	REGAL	Gratiot County	2027	100 MW
9	Argenta to Tallmadge 345kV (33 miles from Argenta)	Ottawa County	2027	60 MW
10	REGAL	Gratiot County	2027	100 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 Michigan

How many battery storage projects are planned in Michigan?: Developers have proposed 68 battery storage projects in Michigan with 12 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.
What is the largest planned battery storage project in Michigan?: Stein - Rapson 345 kV line in Huron County, Michigan is the largest planned, at 500 MW. It is expected to come online in 2025.
Who is developing battery storage projects in Michigan?: 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.