KWh Desk

Commercial electricity rates in Delaware

What businesses in Delaware actually paid per kilowatt-hour, from EIA's monthly utility filings. Updated monthly.

14.50¢per kWh
Average commercial price, August 2026 · the same as the national average · up 14.4% from August 2025

The last 36 months

Range over the period shown: 11.45¢ to 14.50¢ per kWh. Each point is a monthly state average, not an offered rate.

Delaware by the numbers

Commercial accounts
61,789
billed in August 2026
Commercial sales
403M kWh
total for August 2026
Average use per account
6,518 kWh
computed: sales divided by accounts, August 2026
Commercial revenue
$58.4M
total for August 2026
Share of US commercial sales
0.3%
computed, August 2026
Rank of 51
#35
1 = cheapest

How commercial compares with other sectors

SectorPrice per kWh
Commercial14.50¢
Residential18.70¢
Industrial10.40¢

All figures are August 2026 averages for Delaware.

Commercial customers in Delaware pay 22% less per kWh than households there. Nationally the commercial price sits 20% below residential, so the gap here is wider than usual.

A monthly average of what was actually billed, not a rate on offer — how it is calculated. Your own rate class and demand charges will differ; your state regulator is the authority on them.

What this costs a typical account

The average commercial account in Delaware used 6,518 kWh in August 2026. At 14.50¢ per kWh that is about $945 for the month — computed from EIA totals, so it is the average account, mixing a large facility with a corner shop.

How the price has moved

Over the 36 months to August 2026, Delaware's commercial price rose 25.5%, from 11.55¢ in September 2023 to 14.50¢. The high point was 14.50¢ in February 2026 and the low 11.45¢ in May 2024 — a spread of 27% between the cheapest and dearest month, which is unusually volatile for a state-level average.

Across the same period the dearest month on average was February (13.10¢) and the cheapest September (12.10¢), a seasonal swing of 8%.

Delaware against its region

Delaware is in EIA's South Atlantic division, where the commercial average was 12.31¢ in August 2026. Delaware is 18% above that, and 7 of 9 on price within the region.

Others in the region: North Carolina, Virginia, Florida, West Virginia, South Carolina, Georgia, Maryland, District of Columbia.

States priced near Delaware

State¢/kWhRank
Iowa14.15¢33
Wisconsin14.19¢34
Illinois14.67¢36
Alabama14.98¢37

Source

EIA Electric Power Monthly, retrieved 2026-11-02 · methodology · all 51 states