Side by side (NC, EIA-861)
| Metric | Dominion Energy Virginia | Union Electric Membership Corp |
|---|---|---|
| 2024 average price, ¢/kWh | 13.93 | 13.37 |
| 2023 average price, ¢/kWh | 13.62 | 12.61 |
| Annual cost at 10,800 kWh, $/yr | $1,505 | $1,444 |
| Residential customers (2024) | 108,656 | 84,602 |
| Ownership | Investor-owned | Co-op |
| Counties served in NC | 25 | 5 |
Average price = residential revenue ÷ sales (bundled service): the all-in price customers actually paid, including supply, delivery and riders. Profiles: Dominion Energy Virginia · Union Electric Membership Corp · North Carolina overview.
Where the territories meet
Both utilities file EIA-861 service territory in: Cabarrus county (NC, 2024).
Adjoining or overlapping territory in a county does not mean households there can pick between the two — service maps are parcel-level and fixed. The county overlap mainly matters when choosing where to live or comparing town-level costs.
Can you actually choose between them?
No — not for delivery. Distribution territories are exclusive and set by address; Dominion Energy Virginia and Union Electric Membership Corp do not compete for the same meters. North Carolina is a regulated retail market — there is no residential supplier shopping; rates are set in utility-commission proceedings (ncuc.gov). The price gap above mainly matters when choosing where to live, comparing towns, or benchmarking your bill.
Questions people ask
- Is Dominion Energy Virginia cheaper than Union Electric Membership Corp?
- No — in 2024 Dominion Energy Virginia customers averaged 13.93 cents/kWh versus 13.37 for Union Electric Membership Corp (EIA-861). Union Electric Membership Corp was cheaper by 0.56 cents, about $61 per year at 10,800 kWh.
- Can I switch from Dominion Energy Virginia to Union Electric Membership Corp?
- No — distribution territories are exclusive and set by address; you cannot pick between the two wires companies. North Carolina has no residential supplier shopping either; rates are set in utility-commission proceedings.
- Why is Dominion Energy Virginia more expensive than Union Electric Membership Corp?
- EIA-861 averages reflect everything customers actually paid — supply costs, delivery rates, riders, and surcharges across each territory. Differences in generation mix, grid investment, storm costs, and customer density between Dominion and Union Electric Membership territory all feed the 0.56-cent gap.