Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | SEMASS Resource Recovery | Wheelabrator Millbury Facility |
|---|---|---|
| 98.5 MW | 47.6 MW | |
| Municipal Solid Waste | Municipal Solid Waste | |
| SEMASS Partnership | Wheelabrator Environmental Systems | |
| 2 | 1 | |
| 549.5 GWh | 288.8 GWh | |
| 65.7% (2025) | 76.6% (2025) | |
| #2 of 55 | #19 of 55 | |
| 2026-06 | 2026-06 |