West Virginia: 13 cities covered
Across 13 West Virginia cities with a positive case for switching, the average incremental payback is about 28.2 years against a like-for-like gas furnace replacement — but that average hides real spread, which is why each city gets its own page rather than one statewide number.
- Charleston — 46,482 people, 3697 HDD
- Huntington — 44,942 people, 3422 HDD
- Morgantown — 30,490 people, 3965 HDD
- Parkersburg — 28,834 people, 4129 HDD
- Wheeling — 26,060 people, 4279 HDD
- Martinsburg — 19,047 people, 4400 HDD
- Weirton — 18,317 people, 4279 HDD
- Fairmont — 18,063 people, 4079 HDD
- Beckley — 16,515 people, 4382 HDD
- Clarksburg — 15,262 people, 4079 HDD
- South Charleston — 13,177 people, 3697 HDD
- Vienna — 10,406 people, 4129 HDD
- St. Albans — 10,301 people, 3697 HDD