Typical customer: Worth it

Delmarva Power and solar

Delmarva Power is an investor-owned utility serving about 493,163 homes in Delaware, Maryland. Here's what its rates and export rules mean for solar: for a typical customer, solar is worth it.

Average price (2026 est.)
20.6¢16% above Delaware average
Typical bill
$190924 kWh a month
Exports credited
17¢Full retail net metering
Typical payback
10.7 yrs8 kW, cash

Export rules for Delmarva Power customers

Full retail net metering — about 17¢ per exported kWh, monthly netting.

Full retail kWh credits; annual true-up. Retail rate approximate.

Source

Delaware net metering details

Solar for a typical Delmarva Power home

System8 kW (100% of 924 kWh/month)
Cost$23,900
First-year savings$2,194
Payback10.7 years
25-year net$41,495

Uses the utility's average price.

Solar adoption

Homes with solar (2025)
17,741
Share of customers
3.6%
Residential solar capacity
152 MW
Residential customers
493,163

EIA-861, 2025.

Questions about Delmarva Power and solar

Does Delmarva Power have net metering?

Full retail kWh credits; annual true-up. Retail rate approximate. Exported power is credited at about 17¢ per kWh.

How much does electricity cost with Delmarva Power?

Residential customers paid an average of 19.8¢ per kWh in 2025 (EIA), about 20.6¢ adjusted to 2026. The typical home uses 924 kWh a month, a bill of about $190.

Is solar worth it with Delmarva Power?

For a typical customer, solar is worth it: a 8 kW system costing about $23,900 pays back in about 10.7 years, with $41,495 net over 25 years.

How many Delmarva Power customers have solar?

About 17,741 homes had net-metered solar at the end of 2025, roughly 3.6% of residential customers (EIA-861).

Legal name: Delmarva Power (EIA ID 5027). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026.