State Rate Comparison

Connecticut vs Massachusetts

Electricity Rates Comparison

Data from U.S. Energy Information Administration (EIA) · November 2025

Residential Rate
CT27.02¢/kWh
MA31.22¢/kWh
Connecticut is 4.20¢/kWh cheaper
Avg Monthly Bill
CT$187.67
MA$177.85
Massachusetts saves $9.82/month
Avg Monthly Usage
CT695 kWh
MA570 kWh
Difference: 125 kWh/month

Detailed Rate Comparison

Connecticut
DeregulatedNortheastRate Rank: #7/51
Residential27.02¢/kWh
Commercial22.21¢/kWh
Industrial19.13¢/kWh
Avg Monthly Bill$187.67
Avg Monthly Usage695 kWh
Bill Rank (highest)#3/51
Prior Year Rate28.12¢/kWh
YoY Change1.1¢
Massachusetts
DeregulatedNortheastRate Rank: #3/51
Residential31.22¢/kWh
Commercial24.76¢/kWh
Industrial20.04¢/kWh
Avg Monthly Bill$177.85
Avg Monthly Usage570 kWh
Bill Rank (highest)#5/51
Prior Year Rate31.17¢/kWh
YoY Change0.0¢

Compared to National Average

MetricConnecticutMassachusettsNational Avg
Residential Rate (¢/kWh)27.02¢31.22¢17.24¢
Commercial Rate (¢/kWh)22.21¢24.76¢
Industrial Rate (¢/kWh)19.13¢20.04¢
Avg Monthly Bill$187.67$177.85$152.02
Avg Monthly Usage (kWh)695570
Market Typederegulatedderegulated

Frequently Asked Questions

Which state has cheaper electricity, Connecticut or Massachusetts?

Connecticut has a lower residential electricity rate at 27.02¢/kWh compared to Massachusetts's 31.22¢/kWh — a difference of 4.20¢/kWh (13.5%).

What is the average monthly electric bill in Connecticut vs Massachusetts?

The average monthly electric bill in Connecticut is $187.67 (695 kWh/month), while in Massachusetts it is $177.85 (570 kWh/month). The national average is $152.02.

Is Connecticut or Massachusetts electricity market regulated or deregulated?

Connecticut has a deregulated electricity market, while Massachusetts has a deregulated market. In deregulated markets, consumers can choose their electricity supplier, which may offer more competitive rates.

How do Connecticut and Massachusetts electricity rates compare to the national average?

The national average residential rate is 17.24¢/kWh. Connecticut is above the national average at 27.02¢/kWh, and Massachusetts is above the national average at 31.22¢/kWh.

Wondering if your bill is accurate?

Whether you're in Connecticut or Massachusetts, Utility Check can verify your electricity bill for billing errors and rate accuracy.