How Much Has Electricity Increased in Connecticut?
By The New England Voice
Connecticut's average residential electricity price rose 38.6% in seven years — from 21.20 cents per kilowatt-hour in 2018 to 29.38 cents in 2025.
Connecticut's average residential electricity price increased from 21.20 cents per kilowatt-hour in 2018 to 29.38 cents in 2025. That represents an increase of 8.18 cents per kilowatt-hour — or 38.6% in seven years.
At those average prices, 1,000 kilowatt-hours of electricity would have cost approximately $212 in 2018, compared with $293.80 in 2025 — a difference of $81.80 for the same amount of electricity.
Connecticut Residential Electricity Price
21.20¢
2018 (per kWh)
+38.6%
7-Year Change
29.38¢
2025 (per kWh)
Cost for 1,000 kWh: $212.00 in 2018 vs. $293.80 in 2025 — a difference of $81.80
The figures reflect the average residential price across Connecticut and are drawn from utility billing data collected by the federal government. An individual household's bill also depends on how much electricity it uses, which can vary by home size, appliances, heating systems, and seasonal demand.
Connecticut consistently ranks among the states with the highest residential electricity prices in the country. The state relies heavily on natural gas for power generation, and prices for that fuel rose sharply between 2021 and 2023, contributing to the steepest part of the increase shown in the chart.
Prices reached a peak of 29.88 cents per kilowatt-hour in 2023 before declining slightly to 28.75 cents in 2024, then rising again to 29.38 cents in 2025.
Source
U.S. Energy Information Administration, Forms EIA-826, EIA-861 and EIA-861M. Note: This is the average residential price; an individual bill also depends on electricity usage.