Independent resource. Not affiliated with any utility or energy provider. Data sourced from the U.S. Energy Information Administration.Verified June 2026
Delaware Electricity Cost 2026: 18.79¢/kWh
Delaware residential electricity rates average 18.79 cents per kWh in 2026, -0.2% vs the 18.83¢ US national average. The state operates a deregulated retail market with natural gas as the primary generation source.
State Rate
18.79
cents/kWh
Monthly Bill
$162
at 863 kWh
vs National
-0.2%
national avg 18.83¢
Rank (cheapest first)
33/50
YoY change +4.6%
Market Type
Deregulated
Residential customers can shop for a supplier
Primary Generation
Natural Gas
per EIA State Energy Profile
Annual Bill (avg usage)
$1,946
vs national $1,950
Delaware electricity market
Deregulated state. Delmarva Power (an Exelon subsidiary) is the dominant utility, with Delaware Electric Cooperative serving much of the southern half. The Delaware Public Service Commission runs the consumer-protection framework; supplier choice is available via the DEPSC supplier directory.
Where Delaware residents save
Residential shopping participation is modest but available. Energize Delaware offers rebates for weatherization and heat-pump conversions. Solar adoption is growing under the state Renewable Energy Portfolio Standard.
Primary utilities
- Delmarva Power
- Delaware Electric Cooperative
- DEPSC (state regulator)
Official Delaware supplier comparison tool
Delaware runs an official, vendor-neutral supplier comparison portal. Use it to see all licensed retail suppliers serving your ZIP code, compare per-kWh supply rates, and check contract terms before signing up.
DE Public Service Commission →Delaware bill estimates by usage
| Home Profile | Monthly kWh | Monthly Bill | Annual Bill |
|---|---|---|---|
| Apartment | 500 | $94 | $1,127 |
| Small house | 750 | $141 | $1,691 |
| Average household | 863 | $162 | $1,946 |
| Large house | 1200 | $225 | $2,706 |
| Large house + EV | 1500 | $282 | $3,382 |
Estimates use the Delaware state-average rate of 18.79¢/kWh from EIA data. Your actual bill includes delivery charges, customer-service fees, and state/local taxes already blended into this retail rate, plus any locality-specific surcharges not captured at the state-average level.