Statistics
Page built 2026-11-05
Data as of 2026-08
Search
Built 2026-11-05 (5 November 2026)

Delaware Electricity: Generation Mix and Retail Prices

Delaware generated 5.46 TWh of electricity in 2025, 86% of it from gas. The average retail price was 14.21 US cents/kWh in 2025. These are EIA statistics for 2025, with monthly figures through August 2026; they are not real time.

Key Facts

  • Delaware generated 5.46 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 86.1% of generation.
  • Coal was the second largest source of Delaware's electricity in 2025, at 4.6% of generation.
  • Delaware's electricity generation fell from 6.81 TWh in 2001 to 5.46 TWh in 2025.
  • The average retail price of electricity in Delaware was 14.21 US cents/kWh in 2025, the 15th highest of the 51 states and DC.
  • Residential customers in Delaware paid an average of 17.15 US cents/kWh in 2025.
  • Delaware generated 555 GWh of electricity in August 2026.

Key Figures

MeasureValueAs of / source
Total generation5.46 TWh2025 · EIA
Generation rank49 of 512025 · EIA
Average retail price, all sectors14.21 US cents/kWh2025 · EIA
Price rank, highest first15 of 512025 · EIA
Retail sales11.6 TWh2025 · EIA
Retail customers543,8352025 · EIA
Retail revenueUSD 1,644 million2025 · EIA

Generation Mix, 2025

SourceGenerationShare
Gas4.70 TWh86.1%
Coal253 GWh4.6%
Other fossil207 GWh3.8%
Solar169 GWh3.1%
Oil71.4 GWh1.3%
Bioenergy57.3 GWh1.0%
Wind4.95 GWh0.1%

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
Delaware electricity generation by source, 2001 to 2025 Delaware's electricity generation by main source from 2001 to 2025, in GWh. In 2025 the largest sources were gas at 4.70 TWh, coal at 253 GWh, other fossil at 207 GWh, solar at 169 GWh, oil at 71.4 GWh. -6 1,995 3,997 5,998 8,000 20012006201120162021
Delaware's electricity generation by main source from 2001 to 2025, in GWh. In 2025 the largest sources were gas at 4.70 TWh, coal at 253 GWh, other fossil at 207 GWh, solar at 169 GWh, oil at 71.4 GWh.
Annual statistics through 2025, GWh
Delaware electricity generation by source, 2001 to 2025
YearGasCoalOther fossilSolarOil
20011.58 TWh3.37 TWh157 GWhn/a1.71 TWh
20021.44 TWh3.46 TWh146 GWhn/a950 GWh
20031.46 TWh4.03 TWh185 GWhn/a1.72 TWh
20041.72 TWh4.74 TWh290 GWhn/a1.10 TWh
20051.59 TWh4.83 TWh493 GWhn/a1.22 TWh
20061.17 TWh4.97 TWh910 GWhn/a132 GWh
20071.90 TWh5.62 TWh721 GWhn/a241 GWh
20081.39 TWh5.27 TWh476 GWhn/a219 GWh
20091.38 TWh2.85 TWh227 GWhn/a258 GWh
20102.86 TWh2.57 TWh0 TWhn/a56.1 GWh
20114.73 TWh1.45 TWh208 GWh8.28 GWh37.7 GWh
20126.81 TWh1.42 TWh244 GWh22.6 GWh21.6 GWh
20135.93 TWh1.54 TWh155 GWh44.7 GWh22.9 GWh
20146.30 TWh865 GWh226 GWh49.5 GWh183 GWh
20156.69 TWh599 GWh238 GWh48.5 GWh154 GWh
20167.79 TWh479 GWh277 GWh51.1 GWh62.6 GWh
20176.72 TWh359 GWh271 GWh50.3 GWh25.4 GWh
20185.40 TWh273 GWh252 GWh49.8 GWh201 GWh
20194.81 TWh119 GWh194 GWh53.8 GWh18.7 GWh
20204.82 TWh102 GWh146 GWh54.2 GWh8.06 GWh
20213.73 TWh277 GWh142 GWh57.1 GWh16.7 GWh
20224.75 TWh105 GWh198 GWh63.9 GWh108 GWh
20234.38 TWh-6.50 GWh172 GWh155 GWh-1.89 GWh
20244.21 TWh144 GWh221 GWh166 GWh18.5 GWh
20254.70 TWh253 GWh207 GWh169 GWh71.4 GWh
YearGenerationLargest sourceAverage retail price
2025 5.46 TWh Gas 86.1% 14.21 US cents/kWh
2024 4.80 TWh Gas 87.6% 13.56 US cents/kWh
2023 4.77 TWh Gas 91.8% 12.85 US cents/kWh
2022 5.31 TWh Gas 89.5% 11.83 US cents/kWh
2021 4.31 TWh Gas 86.7% 10.50 US cents/kWh
2020 5.21 TWh Gas 92.6% 10.24 US cents/kWh
2019 5.26 TWh Gas 91.4% 10.52 US cents/kWh
2018 6.24 TWh Gas 86.5% 10.55 US cents/kWh
2017 7.50 TWh Gas 89.7% 10.90 US cents/kWh
2016 8.73 TWh Gas 89.2% 11.09 US cents/kWh

Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of 2025.

Retail Electricity Prices

Average revenue per kWh sold, 2001 to 2025
Delaware average retail electricity price by sector, 2001 to 2025 Average retail electricity prices in Delaware by customer sector, in US cents per kWh. In 2025 the all sector average was 14.21 US cents/kWh and residential customers paid 17.15 US cents/kWh. 0 5 10 15 20 20012006201120162021
Average retail electricity prices in Delaware by customer sector, in US cents per kWh. In 2025 the all sector average was 14.21 US cents/kWh and residential customers paid 17.15 US cents/kWh.
Annual statistics through 2025, US cents/kWh
Delaware average retail electricity price by sector, 2001 to 2025
YearAll sectorsResidentialCommercialIndustrial
20016.80 US cents/kWh8.61 US cents/kWh7.00 US cents/kWh4.81 US cents/kWh
20026.91 US cents/kWh8.70 US cents/kWh7.15 US cents/kWh4.85 US cents/kWh
20036.96 US cents/kWh8.59 US cents/kWh7.31 US cents/kWh5.15 US cents/kWh
20047.53 US cents/kWh8.78 US cents/kWh7.44 US cents/kWh6.06 US cents/kWh
20057.76 US cents/kWh9.01 US cents/kWh7.60 US cents/kWh6.21 US cents/kWh
200610.13 US cents/kWh11.85 US cents/kWh10.21 US cents/kWh7.67 US cents/kWh
200711.35 US cents/kWh13.16 US cents/kWh11.21 US cents/kWh8.93 US cents/kWh
200812.38 US cents/kWh13.93 US cents/kWh12.09 US cents/kWh10.49 US cents/kWh
200912.20 US cents/kWh14.07 US cents/kWh12.03 US cents/kWh9.51 US cents/kWh
201011.97 US cents/kWh13.80 US cents/kWh11.36 US cents/kWh9.57 US cents/kWh
201111.48 US cents/kWh13.70 US cents/kWh10.64 US cents/kWh8.91 US cents/kWh
201211.06 US cents/kWh13.58 US cents/kWh10.13 US cents/kWh8.36 US cents/kWh
201310.90 US cents/kWh12.95 US cents/kWh10.20 US cents/kWh8.43 US cents/kWh
201411.22 US cents/kWh13.29 US cents/kWh10.50 US cents/kWh8.58 US cents/kWh
201511.17 US cents/kWh13.42 US cents/kWh10.25 US cents/kWh8.28 US cents/kWh
201611.09 US cents/kWh13.42 US cents/kWh10.07 US cents/kWh8.11 US cents/kWh
201710.90 US cents/kWh13.35 US cents/kWh9.89 US cents/kWh7.78 US cents/kWh
201810.55 US cents/kWh12.53 US cents/kWh9.65 US cents/kWh7.95 US cents/kWh
201910.52 US cents/kWh12.55 US cents/kWh9.53 US cents/kWh7.70 US cents/kWh
202010.24 US cents/kWh12.56 US cents/kWh9.18 US cents/kWh6.70 US cents/kWh
202110.50 US cents/kWh12.52 US cents/kWh9.48 US cents/kWh7.60 US cents/kWh
202211.83 US cents/kWh13.71 US cents/kWh10.98 US cents/kWh8.79 US cents/kWh
202312.85 US cents/kWh15.73 US cents/kWh11.83 US cents/kWh7.85 US cents/kWh
202413.56 US cents/kWh16.57 US cents/kWh12.20 US cents/kWh8.49 US cents/kWh
202514.21 US cents/kWh17.15 US cents/kWh12.68 US cents/kWh9.62 US cents/kWh
Sector, 2025Average priceSalesCustomers
All sectors 14.21 US cents/kWh 11.6 TWh 543,835
Residential 17.15 US cents/kWh 5.32 TWh 481,801
Commercial 12.68 US cents/kWh 4.28 TWh 60,848
Industrial 9.62 US cents/kWh 1.97 TWh 1,186
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.

Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of 2025.

Month by Month

EIA monthly statistics, preliminary for recent months
MonthGenerationAverage price, all sectorsResidential price
August 2026 555 GWh 15.82 US cents/kWh 18.70 US cents/kWh
July 2026 618 GWh 15.64 US cents/kWh 18.48 US cents/kWh
June 2026 378 GWh 16.13 US cents/kWh 19.29 US cents/kWh
May 2026 244 GWh 15.31 US cents/kWh 19.38 US cents/kWh
April 2026 415 GWh 14.98 US cents/kWh 18.79 US cents/kWh
March 2026 257 GWh 15.41 US cents/kWh 17.64 US cents/kWh
February 2026 485 GWh 15.23 US cents/kWh 16.27 US cents/kWh
January 2026 495 GWh 15.25 US cents/kWh 16.51 US cents/kWh
December 2025 470 GWh 14.81 US cents/kWh 17.16 US cents/kWh
November 2025 443 GWh 14.90 US cents/kWh 18.82 US cents/kWh
October 2025 547 GWh 14.21 US cents/kWh 18.33 US cents/kWh
September 2025 436 GWh 13.90 US cents/kWh 18.14 US cents/kWh

Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of August 2026.

Cite this page
APA 7

World Power Monitor. (2026). Delaware Electricity: Generation Mix and Retail Prices. https://worldpowermonitor.com/us/delaware/

Plain text

World Power Monitor. Delaware Electricity: Generation Mix and Retail Prices. Data as of 2026-08. Data from U.S. Energy Information Administration. https://worldpowermonitor.com/us/delaware/

BibTeX 
@misc{wpm_us_delaware_2026,
  title = {{Delaware Electricity: Generation Mix and Retail Prices}},
  author = {{World Power Monitor}},
  year = {2026},
  note = {Data as of 2026-08. Data from U.S. Energy Information Administration.},
  url = {https://worldpowermonitor.com/us/delaware/}
}

Permalink: https://worldpowermonitor.com/us/delaware/

The Copy buttons add today's date as the access date.