GRS Arbor Hills
Washtenaw County, Michigan · EIA plant ID 55596 · Operator: Gas Recovery Systems Inc
Nameplate30MWSummer 24 MW
Generators5in service
Net generation0GWh12 mo to Aug 2026
Capacity factor0%other units, summer MW
Heat rate—Btu/kWhfossil units, electric fuel, HHV
First online1996
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), other units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 114 | 114.2% | — |
| 2002 | 115.7 | 115.8% | — |
| 2003 | 122.2 | 77.6% | — |
| 2004 | 87.5 | 61.4% | — |
| 2005 | 95 | 95.2% | — |
| 2006 | 111.8 | 111.9% | — |
| 2007 | 117.1 | 57.1% | 5,251 |
| 2008 | 107.1 | 53.9% | 5,367 |
| 2009 | 119.3 | 65.1% | 6,053 |
| 2010 | 133 | 72.0% | 9,739 |
| 2011 | 130 | 64.3% | 5,670 |
| 2012 | 134.1 | 68.6% | 5,744 |
| 2013 | 126 | 68.5% | 7,337 |
| 2014 | 124.5 | 72.5% | 12,725 |
| 2015 | 111.4 | 60.4% | 6,633 |
| 2016 | 113.5 | 63.0% | 7,844 |
| 2017 | 128 | 72.1% | 6,823 |
| 2018 | 124.2 | 70.4% | 7,977 |
| 2019 | 132 | 71.9% | 11,863 |
| 2020 | 126.4 | 68.9% | 11,672 |
| 2021 | 99.9 | 55.0% | 9,802 |
| 2022 | 58.8 | 26.6% | — |
| 2023 | 55.8 | 26.6% | — |
| 2024 | 0.1 | 0.0% | — |
| 2025 | 1.1 | 0.7% | — |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 1 | Landfill Gas | CT | 5 | 3.8 | Jun 1996 | Operating (Standby / backup) | — | coming soon |
| 2 | Landfill Gas | CT | 5 | 3.8 | Jun 1996 | Operating (Standby / backup) | — | coming soon |
| 3 | Landfill Gas | CT | 5 | 3.8 | Jun 1996 | Operating (Standby / backup) | — | coming soon |
| 4 | Landfill Gas | CA | 10 | 7.6 | Jun 1996 | Operating (Standby / backup) | — | coming soon |
| 5 | Landfill Gas | CT | 5.3 | 4.8 | Nov 2005 | Operating (Standby / backup) | — | coming soon |
Owner / operator
Operator: Gas Recovery Systems Inc. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Gas Recovery Systems Inc | 100.0% | 30 MW |
Nearby plants
Within 80 km.
| Domino Farms Solar | 1 MW | 12.8 km |
| IKEA Canton Rooftop PV System | 1 MW | 13.3 km |
| Warner Lambert | 12 MW | 16.1 km |
| Superior | 64 MW | 16.2 km |
| East. Michigan Univ. Heating Plant | 8 MW | 17.3 km |
| University of Michigan | 60 MW | 19.3 km |