Delaware Electricity: Generation Mix and Retail Prices
Delaware generated 5.34 TWh of electricity in 2025, 85% of it from gas. The average retail price was 14.19 US cents/kWh in 2025. These are EIA statistics for 2025, with monthly figures through June 2026; they
are not real time.
Key Facts
Delaware generated 5.34 TWh of electricity in 2025, the 49th most of the 51 states and DC.
Gas was the largest source of Delaware's electricity in 2025, at 85.3% of generation.
Coal was the second largest source of Delaware's electricity in 2025, at 4.7% of generation.
Delaware's electricity generation fell from 6.81 TWh in 2001 to 5.34 TWh in 2025.
The average retail price of electricity in Delaware was 14.19 US cents/kWh in 2025, the 15th highest of the 51 states and DC.
Residential customers in Delaware paid an average of 17.13 US cents/kWh in 2025.
Delaware generated 377 GWh of electricity in June 2026.
Key Figures
Measure
Value
As of / source
Total generation
5.34 TWh
2025 · EIA
Generation rank
49 of 51
2025 · EIA
Average retail price, all sectors
14.19 US cents/kWh
2025 · EIA
Price rank, highest first
15 of 51
2025 · EIA
Retail sales
11.6 TWh
2025 · EIA
Retail customers
539,935
2025 · EIA
Retail revenue
USD 1,643 million
2025 · EIA
Generation Mix, 2025
Source
Generation
Share
Gas
4.56 TWh
85.3%
Coal
253 GWh
4.7%
Other fossil
207 GWh
3.9%
Solar
180 GWh
3.4%
Oil
103 GWh
1.9%
Bioenergy
37.9 GWh
0.7%
Wind
4.95 GWh
0.1%
Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of 2025. Utility scale generation, all sectors; small scale solar is not included.
Year by Year
EIA annual statistics, 2001 to 2025
GasCoalOther fossilSolarOil
Delaware's electricity generation by main source from 2001 to 2025, in GWh. In 2025 the largest sources were gas at 4.56 TWh, coal at 253 GWh, other fossil at 207 GWh, solar at 180 GWh, oil at 103 GWh.
Annual statistics through 2025, GWh
Delaware electricity generation by source, 2001 to 2025
Average retail electricity prices in Delaware by customer sector, in US cents per kWh. In 2025 the all sector average was 14.19 US cents/kWh and residential customers paid 17.13 US cents/kWh.
Annual statistics through 2025, US cents/kWh
Delaware average retail electricity price by sector, 2001 to 2025
Year
All sectors
Residential
Commercial
Industrial
2001
6.80 US cents/kWh
8.61 US cents/kWh
7.00 US cents/kWh
4.81 US cents/kWh
2002
6.91 US cents/kWh
8.70 US cents/kWh
7.15 US cents/kWh
4.85 US cents/kWh
2003
6.96 US cents/kWh
8.59 US cents/kWh
7.31 US cents/kWh
5.15 US cents/kWh
2004
7.53 US cents/kWh
8.78 US cents/kWh
7.44 US cents/kWh
6.06 US cents/kWh
2005
7.76 US cents/kWh
9.01 US cents/kWh
7.60 US cents/kWh
6.21 US cents/kWh
2006
10.13 US cents/kWh
11.85 US cents/kWh
10.21 US cents/kWh
7.67 US cents/kWh
2007
11.35 US cents/kWh
13.16 US cents/kWh
11.21 US cents/kWh
8.93 US cents/kWh
2008
12.38 US cents/kWh
13.93 US cents/kWh
12.09 US cents/kWh
10.49 US cents/kWh
2009
12.20 US cents/kWh
14.07 US cents/kWh
12.03 US cents/kWh
9.51 US cents/kWh
2010
11.97 US cents/kWh
13.80 US cents/kWh
11.36 US cents/kWh
9.57 US cents/kWh
2011
11.48 US cents/kWh
13.70 US cents/kWh
10.64 US cents/kWh
8.91 US cents/kWh
2012
11.06 US cents/kWh
13.58 US cents/kWh
10.13 US cents/kWh
8.36 US cents/kWh
2013
10.90 US cents/kWh
12.95 US cents/kWh
10.20 US cents/kWh
8.43 US cents/kWh
2014
11.22 US cents/kWh
13.29 US cents/kWh
10.50 US cents/kWh
8.58 US cents/kWh
2015
11.17 US cents/kWh
13.42 US cents/kWh
10.25 US cents/kWh
8.28 US cents/kWh
2016
11.09 US cents/kWh
13.42 US cents/kWh
10.07 US cents/kWh
8.11 US cents/kWh
2017
10.90 US cents/kWh
13.35 US cents/kWh
9.89 US cents/kWh
7.78 US cents/kWh
2018
10.55 US cents/kWh
12.53 US cents/kWh
9.65 US cents/kWh
7.95 US cents/kWh
2019
10.52 US cents/kWh
12.55 US cents/kWh
9.53 US cents/kWh
7.70 US cents/kWh
2020
10.24 US cents/kWh
12.56 US cents/kWh
9.18 US cents/kWh
6.70 US cents/kWh
2021
10.50 US cents/kWh
12.52 US cents/kWh
9.48 US cents/kWh
7.60 US cents/kWh
2022
11.83 US cents/kWh
13.71 US cents/kWh
10.98 US cents/kWh
8.79 US cents/kWh
2023
12.85 US cents/kWh
15.73 US cents/kWh
11.83 US cents/kWh
7.85 US cents/kWh
2024
13.56 US cents/kWh
16.57 US cents/kWh
12.20 US cents/kWh
8.49 US cents/kWh
2025
14.19 US cents/kWh
17.13 US cents/kWh
12.64 US cents/kWh
9.64 US cents/kWh
Sector, 2025
Average price
Sales
Customers
All sectors
14.19 US cents/kWh
11.6 TWh
539,935
Residential
17.13 US cents/kWh
5.33 TWh
477,952
Commercial
12.64 US cents/kWh
4.28 TWh
60,842
Industrial
9.64 US cents/kWh
1.97 TWh
1,141
Transportation
0.00 US cents/kWh
0 TWh
0
Prices are average revenue per kWh sold, including delivery charges and taxes collected by utilities, in nominal US cents.