Electricity Rates in Delaware (2026)
National average: 16.72¢/kWh · Source: EIA, January 2026
Delaware Sits in the PJM Market with Moderate Rates
Delaware is part of the PJM Interconnection, the largest electricity market in the U.S., stretching from Virginia to Illinois. At 15.24 cents/kWh, Delaware's rates are close to the national average. Delmarva Power (an Exelon subsidiary) serves most of the state. The PJM market provides access to diverse generation sources, helping moderate prices compared to the more isolated New England market.
Small State with Limited Generation
Delaware has minimal in-state generation capacity and relies on the PJM grid for most of its electricity supply. Natural gas plants in the mid-Atlantic region provide the majority of Delaware's power. The state has growing solar capacity and participates in the Regional Greenhouse Gas Initiative (RGGI), which adds a modest carbon cost to fossil fuel generation.
Calculate Any Appliance Cost in Delaware
Most Expensive Appliances to Run in Delaware
Monthly costs at 15.24¢/kWh using typical wattage and hours:
| Appliance | Watts | Hrs/Day | Monthly Cost |
|---|---|---|---|
| Tankless Water Heater | 27000W | 1h | $123.44 |
| Electric Furnace | 10000W | 8h | $365.76 |
| Electric Car Charger (Level 2) | 7200W | 4h | $131.67 |
| Hot Tub | 6000W | 4h | $109.73 |
| Clothes Dryer | 5000W | 1h | $22.86 |
| Electric Water Heater | 4500W | 3h | $61.72 |
| Garage Workshop Heater | 4000W | 4h | $73.15 |
| Central Air Conditioner | 3500W | 8h | $128.02 |
| Electric Oven | 2500W | 1h | $11.43 |
| Dishwasher | 1800W | 1h | $8.23 |
| Hair Dryer | 1800W | 0.15h | $1.23 |
| Electric Pressure Washer | 1800W | 0.5h | $4.11 |
| Space Heater | 1500W | 8h | $54.86 |
| Electric Baseboard Heater | 1500W | 8h | $54.86 |
| Infrared Heater | 1500W | 6h | $41.15 |
Tips for Reducing Your Electricity Bill in Delaware
- Delmarva Power offers energy efficiency programs including rebates on HVAC systems, insulation, and smart thermostats.
- Delaware has a Green Energy Program that allows customers to purchase renewable energy credits to offset their electricity use.
- The Delaware Sustainable Energy Utility (Energize Delaware) offers incentives for solar installations, heat pumps, and energy efficiency improvements.
- Delaware's climate is moderate. A heat pump handles both summer cooling and winter heating efficiently, making it the ideal HVAC choice for the state.
Frequently Asked Questions About Delaware Electricity
The average Delaware household pays about $125-$155 per month. Delaware's moderate climate and rates close to the national average keep electricity costs unremarkable. Summer AC and winter heating create mild seasonal peaks but nothing extreme.
Yes. Delaware has a deregulated retail market, and Delmarva Power customers can choose a competitive electricity supplier for the generation portion of their bill. Compare offers on Delmarva Power's website or through Energize Delaware.
Compare Neighboring Rates
See how Delaware compares to other states in the Mid-Atlantic region:
District of Columbia
15.87¢/kWh
Maryland
16.12¢/kWh
New Jersey
18.76¢/kWh
New York
22.87¢/kWh
Pennsylvania
16.87¢/kWh
Electricity rate data sourced from the U.S. Energy Information Administration (EIA), average residential retail price, last updated January 2026. Your actual rate depends on your utility, plan, and usage tier. See our full disclaimer.