Connecticut Commercial Electricity: Deregulated since 1998, CT offers full retail choice. Average commercial rate: 14-18¢/kWh (2026)—among the highest nationally. Competitive suppliers can still provide 8-12% savings over utility standard service.
Connecticut Commercial Natural Gas: Gas choice via Eversource (Yankee Gas), CNG, and Southern CT Gas. Algonquin Citygate basis can spike $5-17+/MMBtu in winter due to pipeline constraints. Fixed contracts are critical. Gas Guide →
One of the highest-cost electricity markets in the nation. Full retail choice in Eversource and United Illuminating territories makes switching critical.
Connecticut faces some of the highest natural gas basis premiums in the US during winter. The Algonquin Citygate price hub drives costs for both heating gas and gas-fired power generation.
Commercial gas choice is available in Eversource (formerly Yankee Gas), CNG, and Southern Connecticut Gas territories.
Limited pipeline capacity into New England means gas prices can triple during cold snaps. Suppliers often add "winter reliability" premiums to variable rates—avoid this with a fixed contract.
Read our Gas Procurement Guide →High CT rates mean even small percentages = big savings
CT has some of the highest electricity costs in the US. Even modest percentage savings translate to significant dollar amounts.
The Public Utilities Regulatory Authority (PURA) oversees the competitive market and maintains consumer protections.
CT targets 100% zero-carbon electricity by 2040. Renewable energy contracts may offer long-term price stability.
Our reverse auction process gets multiple ISO-NE suppliers competing for your business.
Get Competitive Quotes →Latest news affecting Connecticut commercial energy buyers
Extreme winter weather and gas pipeline constraints drove January 2026 ISO-NE wholesale prices to their highest since 2014, with day-ahead LMPs peaking at $660.37/MWh.
ISO-NE real-time LMPs hit $315/MWh on Feb 9, with emergency procedures active 18 consecutive days. Winter volatility analysis for New England commercial buyers.
NH House Bill 690 authorizes $230K study on ISO-NE withdrawal. February 2026 saw $315/MWh LMP spikes. Analysis of impacts across New England.
Analysis of historic Winter 2026 wholesale electricity price spikes in PJM, NYISO, and ISO-NE. How commercial buyers can block-and-index to mitigate exposure.