Note: email addresses are monitored during regular business hours only, 8:30 a.m. to 4:30 p.m., Monday to Friday.
Toll free: 1-866-458-1236
Contact us by email
Let us know you're moving
If you perceive this situation to be life threatening, please call 911.
Horizon Utilities 24-hour hotlineHamilton: 905-522-6611St. Catharines: 905-684-8111
Learn more about electrical safety
Phone: 905-684-8111 x4825
Please contact Engineering Design for Subdivision Developments and large connections exceeding 5000 kW. Phone: 905-521-4907
Hamilton: 905-522-6611 ext 4739
St. Catharines: 905-684-8111 ext 4739
Learn more about conservation
24-hour hotline:Phone: 1-800-400-2255
John Friesen, Corporate Communications
Hamilton: 905-546-2098 - visit website
St. Catharines: 905-688-5600 - visit website
Note: Streetlights are owned by the municipalities, not Horizon Utilities. For repair of streetlights, please call the numbers listed above.
St. Catharines: 905-323-3459
If you are interested in doing business with Horizon Utilities Corporation, please complete the Online Supplier Information Form:
www.horizonutilities.com/SupplierRegistration or email email@example.com
55 John Street North
340 Vansickle Road
St. Catharines, ON
St. Catharines: 905-984-8961
Monday - Friday
(excluding statutory holidays)
8:30 a.m. to 4:30 p.m.
P.O. Box 2249 Station LCD 1