Massachusetts Mun Wholes Electric Co, 1 ülke genelinde 4 santral işletmektedir; toplam kurulu kapasite 560 MW'dır.
| Santral | Yakıt | Ülke | MW | t CO₂/yıl |
|---|---|---|---|---|
| Stony Brook | Oil | United States of America | 535 | — |
| Berkshire Wind Power Project | Wind | United States of America | 20 | — |
| Ashburnham Energy Storage Project | Storage | United States of America | 3 | — |
| Beebe Substation Battery Storage | Storage | United States of America | 3 | — |
Sahiplik & kapasite: WRI Global Power Plant Database (CC BY 4.0). EPA/EU ETS/Climate TRACE'e bildirilen yerlerde ölçülen CO₂.