Electric Suppliers and Aggregators Information
DPUC licensed electric suppliers and aggregators are able to establish and maintain data relating to their relationship with the United Illuminating Company (UI) via a self-service website:
UI SUPPLIER MANAGEMENT SYSTEM
Access to the UI Supplier Management System website requires pre-registration. Please contact us if you need assistance or have questions at supplier.relations@uinet.com.
Supplier and Aggregator Useful Links
Load Settlement & Load Profiling
Supplier and Aggregator Service Agreement and Terms & Conditions
Historical Usage Request Information and Forms
Interval Data Request Information and Forms
Electronic Data Interchange ("EDI") Information
Meter Reading and Holiday Schedules
Notice Regarding UI Standard Service and Last Resort Service Rate Price Changes
Direct Bill Versus Consolidated Bill
FAQs for Suppliers and Aggregators
Supplier and Aggregator General Information
Information for ISO NE, Inc. Market System Load Asset Registration - revised 3/15/2022
List of Zip Codes within the UI Service Territory (File)
Load Settlement and Load Profiling
The non-hardship uncollectable fee referenced in the Bills Rendered Supplier Payment Methodology is .98% for 2023. The calculation for 2023 is filed under PURA Docket No 98-06-17: DPUC.state.ct.us