Greenwood CPW and solar
Greenwood CPW is a municipal utility serving about 11,676 homes in South Carolina. Here's what its rates and export rules mean for solar: for a typical customer, solar is not worth it.
- Average price (2026 est.)
- 10.3¢34% below South Carolina average
- Typical bill
- $86831 kWh a month
- Exports credited
- ~29%Net billing (reduced export credit)
- Typical payback
- 18.9 yrs3.4 kW, cash
Export rules for Greenwood CPW customers
Net billing (reduced export credit) (South Carolina rule).
Since June 2021 new solar customers of Duke Energy and Dominion Energy SC are on 'Solar Choice' tariffs: you're billed on time-of-use rates, solar offsets usage within the same period, and monthly excess is credited at the low avoided-cost rate (~2-4 c/kWh). Duke has a $30 minimum bill.
Solar for a typical Greenwood CPW home
| System | 3.4 kW (50% of 831 kWh/month) |
|---|---|
| Cost | $11,830, $8,873 after incentives |
| First-year savings | $509 |
| Payback | 18.9 years |
| 25-year net | $3,252 |
Uses the utility's average price.
Solar adoption
- Homes with solar (2025)
- —
- Share of customers
- —
- Residential solar capacity
- —
- Residential customers
- 11,676
EIA-861, 2025.
Questions about Greenwood CPW and solar
Does Greenwood CPW have net metering?
Greenwood CPW follows South Carolina's rules: Since June 2021 new solar customers of Duke Energy and Dominion Energy SC are on 'Solar Choice' tariffs: you're billed on time-of-use rates, solar offsets usage within the same period, and monthly excess is credited at the low avoided-cost rate (~2-4 c/kWh). Duke has a $30 minimum bill.
How much does electricity cost with Greenwood CPW?
Residential customers paid an average of 10.0¢ per kWh in 2025 (EIA), about 10.3¢ adjusted to 2026. The typical home uses 831 kWh a month, a bill of about $86.
Is solar worth it with Greenwood CPW?
For a typical customer, solar is not worth it: a 3.4 kW system costing about $8,873 pays back in about 18.9 years, with $3,252 net over 25 years.
How many Greenwood CPW customers have solar?
Greenwood CPW did not report residential net-metered solar to EIA for 2025.
Legal name: Greenwood CPW (EIA ID 7646). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026.