Connecticut vs Massachusetts: Electricity Rates & Average Bills
Side-by-side residential bills, cents-per-kWh, usage and 12-month trends — June 2026 EIA data.
Data through June 2026
EIA-826, verified Oct 12, 2026
The average residential bill in Connecticut ($174.25/mo) runs $3.71/mo (2%) higher than Massachusetts ($170.54/mo).
Connecticut bill$174.25/mo#15 highest of 51
Massachusetts bill$170.54/mo#18 highest of 51
US context$164.05/mostates median
The numbers, side by side
Latest month from EIA residential retail-sales data, plus each state's rank among tracked states.
| Measure | Connecticut | Massachusetts |
|---|---|---|
| Avg monthly bill | $174.25 | $170.54 |
| Price per kWh | 24.32¢ | 29.61¢ |
| Typical usage | 716 kWh/mo | 576 kWh/mo |
| Bill rank | Highest: #15 · Price: #12 | Highest: #18 · Price: #3 |
| Bill, 12-mo change | −38.1% | −29.0% |
Connecticut bill trend
Average residential bill, last 12 months.
Massachusetts bill trend
Average residential bill, last 12 months.
Common questions
Is Connecticut or Massachusetts more expensive for electricity?
Connecticut is — the average residential bill there is $3.71/month higher than Massachusetts's ($170.54/month).
How much bigger is Connecticut's bill than Massachusetts's?
About 2% higher — $174.25 vs $170.54 per month in the latest EIA data.
Bill = residential revenue ÷ customers; price = revenue ÷ sales. See the methodology and each state's page: Connecticut · Massachusetts.