KWh Desk

Commercial electricity rates in Connecticut

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

19.29¢per kWh
Average commercial price, August 2026 · 33% above the US average of 14.47¢ · down 17.8% from August 2025

The last 36 months

Range over the period shown: 19.16¢ to 25.60¢ per kWh. Each point is a monthly state average, not an offered rate.

Connecticut by the numbers

Commercial accounts
156,231
billed in August 2026
Commercial sales
1,136M kWh
total for August 2026
Average use per account
7,274 kWh
computed: sales divided by accounts, August 2026
Commercial revenue
$219.2M
total for August 2026
Share of US commercial sales
0.8%
computed, August 2026
Rank of 51
#41
1 = cheapest

How commercial compares with other sectors

SectorPrice per kWh
Commercial19.29¢
Residential24.51¢
Industrial16.18¢

All figures are August 2026 averages for Connecticut.

Commercial customers in Connecticut pay 21% 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 Connecticut used 7,274 kWh in August 2026. At 19.29¢ per kWh that is about $1,403 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, Connecticut's commercial price fell 3.5%, from 19.98¢ in September 2023 to 19.29¢. The high point was 25.60¢ in February 2025 and the low 19.16¢ in June 2024 — a spread of 34% 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 (23.63¢) and the cheapest June (19.97¢), a seasonal swing of 18%.

Connecticut against its region

Connecticut is in EIA's New England division, where the commercial average was 22.24¢ in August 2026. Connecticut is 13% below that, and 1 of 6 on price within the region.

Others in the region: Vermont, New Hampshire, Maine, Rhode Island, Massachusetts.

States priced near Connecticut

State¢/kWhRank
Maryland17.00¢39
New Jersey18.71¢40
Vermont20.47¢42
New Hampshire20.99¢43

Source

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