Dominion Energy South Carolina and solar
Dominion Energy South Carolina is an investor-owned utility serving about 712,679 homes in South Carolina. Here's what its rates and export rules mean for solar: for a typical customer, solar is worth it.
- Average price (2026 est.)
- 17.0¢9% above South Carolina average
- Typical bill
- $1751,032 kWh a month
- Exports credited
- 3.4¢Net billing (reduced export credit)
- Typical payback
- 10.9 yrs7.7 kW, cash
Export rules for Dominion Energy South Carolina customers
Net billing (reduced export credit) — about 3.4¢ per exported kWh, monthly netting.
TOU-period netting; excess at avoided cost (~3.4-3.8 c); $13.50 minimum bill.
Solar for a typical Dominion Energy South Carolina home
| System | 7.7 kW (90% of 1,032 kWh/month) |
|---|---|
| Cost | $22,365, $18,865 after incentives |
| First-year savings | $1,815 |
| Payback | 10.9 years |
| 25-year net | $28,841 |
Uses the utility's average price.
Solar adoption
- Homes with solar (2025)
- 16,383
- Share of customers
- 2.3%
- Residential solar capacity
- 118 MW
- Residential customers
- 712,679
EIA-861, 2025.
Questions about Dominion Energy South Carolina and solar
Does Dominion Energy South Carolina have net metering?
TOU-period netting; excess at avoided cost (~3.4-3.8 c); $13.50 minimum bill. Exported power is credited at about 3.4¢ per kWh.
How much does electricity cost with Dominion Energy South Carolina?
Residential customers paid an average of 16.4¢ per kWh in 2025 (EIA), about 17.0¢ adjusted to 2026. The typical home uses 1,032 kWh a month, a bill of about $175.
Is solar worth it with Dominion Energy South Carolina?
For a typical customer, solar is worth it: a 7.7 kW system costing about $18,865 pays back in about 10.9 years, with $28,841 net over 25 years.
How many Dominion Energy South Carolina customers have solar?
About 16,383 homes had net-metered solar at the end of 2025, roughly 2.3% of residential customers (EIA-861).
Legal name: Dominion Energy South Carolina, Inc (EIA ID 17539). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026.