Commercial rate guide for UI — Greater New Haven and Bridgeport areas in Connecticut, serving approximately 340,000 customers
Rate GST for small commercial; Rate GT for large commercial with demand charges. Time-of-use periods aligned with ISO-NE peaks. Capacity tags based on prior-year peak.
Rising
15.1% combined rate increase effective January 2026, driven primarily by higher
15.1% combined rate increase effective January 2026, driven primarily by higher ISO-NE capacity costs
Property managers with UI accounts frequently encounter these billing challenges:
ISO-NE capacity tag charges driving up costs
Transmission charges passed through with minimal transparency
Renewable energy credit (REC) cost allocations
Combined billing with Southern CT Gas (SCG)
Estimated reads in older metering infrastructure
Businesses can choose their energy supplier in this market.
Full supply choice available. Standard service rate set by competitive procurement. Delivery regulated by CT PURA.
Distribution rate case pending before CT PURA with requested 7.8% delivery increase
Automate bill processing, catch billing errors, and track rate changes for all your UI accounts in one platform.
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