Where is GRS Arbor Hills?

In Washtenaw County, Michigan (MI). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.

How big is GRS Arbor Hills?

30 MW of nameplate capacity across 5 units, as of the EIA-860M release for 2026-07.

Who owns GRS Arbor Hills?

EIA-860M names Gas Recovery Systems Inc as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.

Is this the same as GRS Arbor Hills LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Gas Recovery Systems Inc here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "GRS Arbor Hills LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is GRS Arbor Hills still running?

EIA-860M files it as "Standby/Backup" for 2026-07. Statuses change monthly, and this page follows the monthly release.

GRS Arbor Hills

GRS Arbor Hills is a 30 MW biomass power plant in Washtenaw County, Michigan, operated by Gas Recovery Systems Inc. EIA-860M lists 5 generating units here, inside MISO. Its units entered service between 1996 and 2005.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity: 30.3 MW; 23.8 MW net summer
Generating units: 5
In service: 1996–2005
EIA plant ID: 55596

Where it is

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County: Washtenaw County, Michigan
Coordinates: 42.3953, -83.558
Balancing authority: MISO
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Gas Recovery Systems Inc
Primary energy source: Biomass
Technologies: Landfill Gas
Status: Standby/Backup

Every plant Gas Recovery Systems Inc reports to EIA →

GRS Arbor Hills: FAQ

Where is GRS Arbor Hills?: In Washtenaw County, Michigan (MI). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is GRS Arbor Hills?: 30 MW of nameplate capacity across 5 units, as of the EIA-860M release for 2026-07.
Who owns GRS Arbor Hills?: EIA-860M names Gas Recovery Systems Inc as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as GRS Arbor Hills LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Gas Recovery Systems Inc here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "GRS Arbor Hills LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is GRS Arbor Hills still running?: EIA-860M files it as "Standby/Backup" for 2026-07. Statuses change monthly, and this page follows the monthly release.