Compare The Best Connecticut Electricity Providers and Rates

Author:
Tim Wasson
Editor:
Matt Oberle
Last Updated:
10-23-2025
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About Constellation

Changing suppliers was quick and easy. A very competitive price and a smooth transition.

- Susan from Ellington

8 Month Fixed Rate
  • 8 months
  • Plan MRC $0
11.390¢
effective rate per kWh

PPC: 8 Month Electricity Plan (ERPPC5)

Call 855-798-9075
21 Month Fixed Rate
  • 21 months
  • Plan MRC $0
13.990¢
effective rate per kWh

21 Month Home Power Plan

Call 855-798-9075
Rates as of Feb 09, 2026 at 03:28 PM

Eversource and United Illuminating Default Service Rates

Eversource Utility is 12.64¢ per kWh - effective 1/1/26 - 6/30/26

United Illuminating Utility is 13.69¢ per kWh - effective 1/1/26 - 6/30/26

Eversource Tells Customers to Shop 3rd Party Suppliers.

Video: What is the Best Electricity Rate in Connecticut for Winter 2025

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