Central Maine Power Company: billing error

Raise the bill with CMP first, then file with the Maine PUC Consumer Assistance and Safety Division.

ACredibility A · last verified 2026-10-13 · 100% official or government sources

What does this mean?

Grade A (high: almost everything comes from official pages read directly). 100% of 13 sources are the organization's own pages or government sites.

All Central Maine Power Company contacts Open in the interactive directory JSON

Collect

the disputed bill
earlier bills
meter photos with dates
call notes with reference numbers

Steps

Call CMP and ask for a correction and a reference number.
PhoneResidential customer service, also to verify a caller or check an account +1-800-750-4000
If CMP does not fix it, file a complaint with the MPUC online or at 1-800-452-4699.
If an electricity supplier you did not choose appears on the bill, tell the company you dispute the change, switch back, and file a complaint with the MPUC.

Facts you can cite

Process
The Maine PUC says you must first contact the utility and attempt to resolve your complaint before filing with the Consumer Assistance and Safety Division.
Source: maine.gov, verified 2026-10-13

Rules in force

Restore Online Shoppers' Confidence Act (ROSCA) negative option requirements
15 U.S.C. 8401-8405
A seller that charges consumers online through a negative option feature (for example an automatic renewal or a free trial that converts to paid) must clearly disclose all material terms before taking billing information, get the consumer's express informed consent before charging, and provide simple mechanisms to stop recurring charges. The FTC enforces ROSCA.
Source: law.cornell.edu, verified 2026-10-12
1 citable point
- Policy
  The seller must obtain "a consumer's express informed consent before charging the consumer's credit card, debit card, bank account, or other financial account".
  Source: law.cornell.edu, verified 2026-10-12

If that fails, escalate

Go up one step at a time. Keep the reference numbers and dates from each contact.

Customer service
PhoneResidential customer service, also to verify a caller or check an account +1-800-750-4000
Supervisor
PhoneResidential customer service, also to verify a caller or check an account +1-800-750-4000
Written complaint
CMP's contact page offers an online form for written questions; ask customer service for the complaint address.
State agency
Your state’s utility commission. Find it in the list of state agencies (also as JSON: states/<code>.json, for example states/ny.json).
Maine Public Utilities Commission, Consumer Assistance and Safety Division, 1-800-452-4699 (Mon-Fri 9 a.m.-4 p.m.). The MPUC says you must first contact the utility and attempt to resolve the complaint.
State agency
Your state’s attorney general. Find it in the list of state agencies (also as JSON: states/<code>.json, for example states/ny.json).
Maine Office of the Attorney General, Consumer Protection Division.

Watch out

cmpco.com (and all Avangrid sites) timed out or dropped the connection for every automated fetch on 2026-10-13. No CMP outage number, mailing address, damage-claim channel or online form could be sourced; use the numbers on the bill.

Let your AI agent handle this

Escalate Anything is a free, open-source MCP server for Claude, Cursor, VS Code, Gemini CLI, Codex and other AI apps. Your agent gets this playbook, keeps a case log with reference numbers and follow-up dates, and drafts each message for you to approve.

1. Set it up (needs uv):

uvx escalate-anything setup

2. Ask your agent:

Central Maine Power Company charged me [amount] on [date] for something I did not order. Use Escalate Anything to get it corrected.

Source code, other install options and the Claude Code plugin