Nor'easters take Green Harbor power out for days, not hours. A standby generator starts on its own, carries the circuits that matter, and shuts down when the utility returns. OSB sizes, sets and wires the whole system.
“Our panel was original to the house and completely full. OSB upgraded us to 200 amp, pulled the permit, met the inspector, and left the basement cleaner than they found it.”
“Fan on a vaulted ceiling that two handymen said couldn't be done. Right downrod, right box, level and silent.”
“Sparking outlet in the nursery. They came out the same evening, replaced it, and checked every other outlet on that circuit for free.”
It depends on whether you want essential circuits or the whole house. A typical Green Harbor single-family runs well on 18-24kW for whole-house coverage; essentials-only systems can be half that.
Usually one to two days of electrical work once the pad is set and the fuel line is run.
Both. Natural gas is simplest where Green Harbor has a service line; propane is the answer where it doesn't.
Yes — the automatic transfer switch senses the outage, starts the unit, transfers the load, and switches back when utility power is stable.
We do. Annual testing, oil and filter service, and battery replacement are all available in Green Harbor.
Knob-and-tube and aluminium replacement
See serviceCKT 200A100A to 200A service, breaker boxes
See serviceCKT 24/7No power, sparks, burning smell
See serviceCKT SPDPanel-mounted surge protective devices
See serviceCKT DIAGTroubleshooting and fault finding
See serviceCKT 3PHOffices, retail, restaurants, warehouse
See serviceFlat pricing quoted before the work starts. Same-day and next-day slots available across Massachusetts.
Overload, short circuit or ground fault — each has a different cause and a different fix.
ReadGUIDESizing, fuel, transfer switches, and the honest answer on whether you need whole-house coverage.
ReadGUIDESeven questions, and what a good answer to each sounds like.
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