|
|
|
| 1980–2010 | 2010–2023 | 2023–present |
New York State Electric & Gas[]
1936-19??[]
|
LOGO MISSING |
19??-1980[]
|
|
LOGO MISSING |
NYSEG[]
1980–2010[]
|
|
|
2010–2023[]
2023–present[]
| Avangrid (United States): Berkshire Gas | Central Maine Power | Connecticut Natural Gas | Maine Natural Gas | NYSEG | Rochester Gas & Electric | Southern Connecticut Gas | United Illuminating Scottish Power (United Kingdom) Neoenergia (Brazil):  |