How can I verify my Central Maine Power bill in Portland?

Upload your bill to Utility Check for independent verification. We recalculate charges, check for errors, and compare your rate to available plans.

Utility Check

Portland, Maine

CMP Rates in Portland, Maine

Central Maine Power serves Portland and southern Maine, delivering electricity to approximately 650,000 customers.

19.0¢/kWh68,000+ residents

Electricity Rates in Portland

19.0¢/kWh

Average residential rate

Portland rates are above the national average due to New England energy market conditions.

Rates can vary based on your specific rate plan, usage tier, and time of use.Central Maine Power offers multiple rate plans for Portland residents—your actual rate may differ from the average shown above.

Energy Tips for Portland Residents

Local insights to help manage your Central Maine Power bill

Maine's cold winters mean heating is the primary cost driver—consider heat pumps
CMP is delivery-only—you can choose a competitive electricity supplier
Many Portland homes are historic—weatherization is crucial for efficiency
Coastal humidity affects AC efficiency in summer months

Central Maine Power Service Area

Central Maine Power serves Portland and southern Maine, delivering electricity to approximately 650,000 customers.

Neighborhoods Served:

Old PortWest EndEast EndMunjoy HillDeeringBack Cove

Frequently Asked Questions

Common questions about Central Maine Power electricity service in Portland — including rates, billing, and how to contact your utility.

What is the average electricity rate in Portland?

The average residential electricity rate in Portland is approximately 19.0¢/kWh. Portland rates are above the national average due to New England energy market conditions.

Who provides electricity in Portland?

Central Maine Power provides electricity service to Portland residents. Central Maine Power serves Portland and southern Maine, delivering electricity to approximately 650,000 customers.

How can I contact Central Maine Power?

You can reach Central Maine Power customer service at 1-800-750-4000.

Check Your Portland Bill

Verify your Central Maine Power charges are correct

Quick Bill Sanity Check

No upload required. Enter two numbers from your bill to see if it falls within typical ranges.

Most utility bills are calculated correctly.

This quick check helps you understand if your bill stands out from typical ranges. It cannot determine accuracy without a full bill review.

Total Bill Amount ($)

The "Total Amount Due" on your bill

kWh Used

Usually labeled "Total kWh" or "Usage"

Disclaimer: This tool provides a rough estimate based on typical residential rates. It does not account for fixed charges, demand charges, time-of-use pricing, taxes, fees, or other bill components. Results are for informational purposes only and should not be considered financial or legal advice. We cannot determine billing accuracy without reviewing your full bill.

Contact Central Maine Power

1-800-750-4000

Customer service for Portland area

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