Contacts

Emergencies

1-888-GAS-1-GAS (1-888-427-1427)

Report a natural gas emergency or natural gas leak:
Call 24 hours a day, 7 days a week

Customer Service

1-800-624-2019
8:00 a.m. - 4:30 p.m. Monday - Friday 
(with the exception of holidays)

customer.service@semcoenergy.com
(for questions and inquiries only)

New Gas Line Installation Contacts

Residential Installations
Commercial Installations


Products & Services Assistance

MISS DIG
1-800-482-7171 or 811

HomeServe
1-888-300-5064


Mail

Bill payments:

SEMCO ENERGY Gas Company

PO Box 740812

Cincinnati OH 45274-0812


Correspondence and inquiries:

SEMCO ENERGY Gas Company

1411 Third Street, Suite A

Port Huron, MI 48060


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If you are having problems sending or receiving email from SEMCO, please refer to the E-mail Whitelist Instructions to be certain your e-mail service is set correctly.

Webmaster
Contact the webmaster if you have comments or suggestions relating to this website:
webmaster@semcoenergy.com