GRS Arbor Hills is a combined cycle power plant located in Northville, Michigan, operating under the ReliabilityFirst Corporation NERC region. With an operating capacity of 26.3 MW, the facility utilizes biomass as its fuel source. The plant is managed by Fortistar Services and is unregulated, with Fortistar Methane 3 as the majority owner. It operates within the Midcontinent Independent System Operator power control area and primarily sells its generated electricity to DTE Electric Company.