CMP bills could go up $7 per month as soon as this fall
Maine Regulators Set to Decide on Central Maine Power’s Proposed Rate Hike
The Maine Public Utilities Commission (PUC) will hear arguments on October 6 to determine whether Central Maine Power (CMP) can raise its rates for roughly 670,000 customers in southern and central Maine. The utility’s request, estimated at $69.3 million, would lift the average household bill by about $7 a month—an increase that could take effect as soon as this fall.
CMP’s proposal is a “temporary rate” intended to cover the costs of new infrastructure and to shore up the company’s finances while a larger $189 million rate case is still under review. In its original filing, CMP sought to implement the temporary rates by July 1, but regulators pushed the decision to the fall.
Why the Hike Matters
CMP’s financial outlook has been downgraded to “negative” by S&P Global Ratings, citing a $100 million cash‑flow shortfall and a lag in the ongoing rate case. The utility has said that its revenue has stalled after last year’s five‑year proposal was rejected by the PUC. To avoid higher borrowing costs and to keep the grid reliable, CMP argues it needs additional funds to recover investment and return on equity. Roughly three‑quarters of the temporary request is aimed at recouping expenses for newly built infrastructure, while about $61 million is earmarked for return on equity.
“Waiting to act on these types of reliability projects makes them more costly later,” said CMP spokesperson Dustin Wlodkowski in an email to regulators. He added that the temporary rates would allow the company to keep critical grid investment moving forward and would also cover projects already in service.
Opposition groups, which can file disputes until September 4, argue that CMP is asking for more money than it actually needs. The PUC will consider any contested figures and respond by September 15, before the final decision is made.
What the Rate Increase Would Mean for Customers
If approved, the $7‑per‑month rise would bring the average bill to about $18 higher than current rates, according to CMP’s projected full hike slated for the next spring. The temporary rates were designed to be refundable if the PUC sets a lower final rate—though that scenario is considered unlikely. The temporary hike follows a recent $11‑per‑month decline in distribution bills that occurred in July when storm‑related costs lapsed.
Next Steps
The October 6 hearing will set the final numbers for the temporary increase and decide when any new charges would take effect. The full rate case will continue with additional hearings through April. PUC spokesperson Susan Faloon noted that the schedule is subject to change as the case develops.
For residents in the affected regions, the coming weeks will determine whether the upcoming bill will reflect the proposed increase or if regulators will impose a different structure. The decision could shape the financial stability of CMP and the reliability of Maine’s electric infrastructure for years to come.
