US · FMCSA ACTIVE
THE UNITED ILLUMINATING COMPANY
Orange, CT 06477 · DOT 636119
Company profile
Web-discovered · as of 2026-07-30
The United Illuminating Company, a subsidiary of AVANGRID, is a regulated electric public utility in Connecticut. The company operates a utility fleet to transmit, distribute, and maintain electricity services for residential and commercial customers.
Fleet use
Specialized service
Operating scope
Local
Service model
dedicated
Equipment
specialized
Ownership
Subsidiary
part of AVANGRID, Inc.
Certifications
other
Industries served
utility
HQ · 100 Marsh Hill Road, Orange, CT 06477
Active recent web presence confirms UI's ongoing utility operations and maintenance activities in CT.
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
89
power units · corroborated
Activity
road freight carrier
private licence
In operation since
1996
198 drivers
US compliance
Source FMCSA L&I / SAFER · as of 2026-07-12
Operating authority
None / private
Insurance on file
No
Out of service
No
Safety rating
UNRATED
Crashes (24 mo)
1
0 fatal · 2 injured
Data Services
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