Contact Us

We welcome your comments and will respond to your questions or concerns.

In case of an emergency

If you are experiencing a life-threatening electricity emergency, please call 911 immediately.

Otherwise, please contact us at 800.696.1000 for electricity outages or trouble, or use our     
online form to report an outage.


If you are having trouble making a payment because the site is not displaying correctly, please follow these instructions to clear old files and fix the issue.

Ending Your Service:

Customer Care FAQs:



  • Residential customers: 800.750.4000
    Live Support Hours: Mon-Fri 7:30 a.m. - 6:00 p.m.
    Self-Service Automated Phone Support 24x7
  • Commercial / Industrial customers: 800.565.3181
  • Corporate Office: 800.565.0121
  • Residential Credit & Collections: 800.686.4044

Other Numbers:
  • Hearing/Speech impaired (TTY): Dial 711
  • Dig Safe: 811 or 888.DIG-SAFE or 888.344.7233

Mailing Addresses:

  • Payments: CMP, P.O. Box 847810, Boston, MA 02284-7810
  • Customer Service: CMP, 83 Edison Drive, Augusta, ME 04336
  • Corporate office: CMP, 83 Edison Drive, Augusta, ME 04336

Frequently Asked Questions:

Energy Theft:
Property and Casualty Claim:
Shareholder Services:
Thoughts on our Website:
  • Send us your Feedback on our website.
Economic Development:
  • Visit us online or contact us at 800.456.5153 to learn more about economic incentive programs for existing commercial and industrial customers planning to expand or new businesses interested in locating in our service territory.