Electrical Panel Upgrades in Westbrook, Maine

Nearly a quarter of Westbrook’s homes, about 23 percent in the Census Bureau’s 2020-2024 American Community Survey, are in buildings of two to four units. Some of that housing traces back to the paper mill on the Presumpscot, which at its peak employed close to 3,000 local people and built worker housing around Cumberland Mills; the mill complex and that housing were listed on the National Register in 1974 as the Cumberland Mills Historic District. In a building like that, a service upgrade is rarely one panel. It usually means a meter bank with a socket for each unit, a small house panel for the hall lights and laundry, and a CMP meter pull for every apartment.

Heating is the reason many of those services are now too small. Close to 49 percent of occupied Westbrook homes still burn fuel oil, well above the share in Portland, while about 19 percent use utility gas from Unitil’s Northern Utilities system and about 17 percent already heat with electricity. When an oil boiler is retired in favor of cold-climate heat pumps, the winter load lands on the electrical service, and an older 60- or 100-amp service with a crowded panel often cannot take it alongside a dryer, range and water heater. A load calculation settles whether a larger panel, a larger service or both are needed.

Mobile homes are a bigger part of the picture here than in neighboring cities, about 6.5 percent of Westbrook’s housing units. A manufactured home is usually fed from a pedestal or post-mounted meter and disconnect near the home, so an upgrade involves that outdoor equipment and the feeder to the home as well as the panel inside. Westbrook’s Code Enforcement office at 2 York Street lists service inspections among those required for permitted work and asks for 48 to 72 hours’ notice to schedule one. Goodnow Electric, based on Wilson Drive in Westbrook, pulls the permit, arranges the CMP disconnect and replaces Federal Pacific, Zinsco and Challenger panels.