MMWAC Resource Recovery Facility
Androscoggin County, Maine · EIA plant ID 50035 · Operator: Mid-Maine Waste Action Corp
Nameplate5MWSummer 3 MW
Generators1in service
Net generation7GWh12 mo to Aug 2026
Capacity factor31%other units, summer MW
Heat rate—Btu/kWhfossil units, electric fuel, HHV
First online1992
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 | 26.8 | 145.5% | 26,564 |
| 2002 | 22.1 | 116.8% | — |
| 2003 | 23.4 | 122.2% | 28,704 |
| 2004 | 17.2 | 70.4% | — |
| 2005 | 24.6 | 101.9% | — |
| 2006 | 15.8 | 65.2% | — |
| 2007 | 15.9 | 65.1% | — |
| 2008 | 14.6 | 61.4% | — |
| 2009 | 21.7 | 90.8% | — |
| 2010 | 17 | 71.1% | — |
| 2011 | 15.8 | 65.6% | — |
| 2012 | 15.6 | 65.0% | — |
| 2013 | 16.8 | 70.0% | — |
| 2014 | 16.7 | 68.9% | — |
| 2015 | 16.4 | 68.9% | — |
| 2016 | 16.7 | 70.1% | — |
| 2017 | 15.8 | 65.8% | — |
| 2018 | 15.6 | 65.5% | — |
| 2019 | 16.1 | 67.7% | — |
| 2020 | 14.9 | 62.3% | — |
| 2021 | 14.3 | 60.0% | — |
| 2022 | 14.1 | 59.1% | — |
| 2023 | 11.6 | 48.5% | — |
| 2024 | 10 | 41.7% | — |
| 2025 | 10.1 | 42.0% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| ST1 | Municipal Solid Waste | ST | 5 | 2.7 | Jun 1992 | Operating | — | coming soon |
Owner / operator
Operator: Mid-Maine Waste Action Corp. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Mid-Maine Waste Action Corp | 100.0% | 5 MW |
Nearby plants
Within 80 km.
| Barker Lower | 2 MW | 3.3 km |
| Upper Barker | 1 MW | 3.3 km |
| Auburn PV - BD Solar Auburn LLC | — | 3.7 km |
| Lewiston Jn PV - BD Solar Lewiston Jn LLC | — | 3.7 km |
| Lewiston Junction Road Solar | 5 MW | 4.2 km |
| Upper Androscoggin | 2 MW | 4.5 km |