200 Amp Service Upgrade · Boston, MA
200 Amp Service Upgrade in Boston, MA
A 200 amp service upgrade increases the electricity your home can draw from the utility, replacing the panel and usually the meter base and service entrance cable. It is the common fix when a 60 or 100 amp home adds an EV charger, heat pump or electric range.
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- Independent, licensed electricians
- Serving Dorchester, Jamaica Plain, South Boston and more
Why 200 amp service upgrade comes up in Boston
Boston homeowners electrifying with heat pumps, induction ranges and EV chargers often find that older single-family homes in West Roxbury and Roslindale have 100 amp services, and condos in triple-deckers have even smaller ones. A 200 amp upgrade for a single-family home usually includes a new meter base and service drop coordinated with Eversource; condos may need the whole meter bank upgraded. Mass Save has offered heat pump incentives that change over time.
Permits come from Boston's Inspectional Services Department. Ask for the load calculation in writing.
- Cold-climate heat pumps, induction ranges and EV chargers often need more capacity than an older 60 or 100 amp service provides.
- Permits in Boston
- In Boston, electrical permits are issued by the Inspectional Services Department, and work must be done by a Massachusetts-licensed electrician.
- Electric utility
- Eversource
Signs to look for
- 60, 100 or 150 amp service with major loads planned
- The main breaker trips under heavy use
- No room for new circuits
- An electrician's load calculation near capacity
- An aging meter base or service mast
How the work is done
1. Load calculation
Existing and planned loads are calculated to confirm the service size.
2. Utility application
The utility approves the larger service and schedules the disconnect and reconnect.
3. Install the new service
Meter base, service entrance conductors, panel, grounding and bonding are installed.
4. Inspection and reconnect
After inspection, the utility reconnects power, sometimes with a new meter.
What moves the price in Boston
Electricians set their own prices. Massachusetts heat-pump incentives are driving a wave of electrification, and most older homes need a service upgrade before a cold-climate heat pump can be installed.
- Overhead versus underground service
- Meter base and mast replacement
- Distance between the meter and panel
- Utility requirements and fees
- Grounding electrode upgrades
- Permit fees
200 Amp Service Upgrade in Boston: questions
Do I need a permit for 200 amp service upgrade in Boston?
Usually, yes. In Boston, electrical permits are issued by the Inspectional Services Department, and work must be done by a Massachusetts-licensed electrician. The electrician normally pulls the permit and schedules the inspection.
Is the utility involved in Boston?
If the work affects the meter or service, the electrician coordinates with Eversource, which owns the meter and service drop.
Do I need 200 amps for an EV charger?
Not always. A load calculation may show that a 100 or 150 amp service can support a charger, especially with a lower charging setting or a load-management device.
How long does a 200 amp upgrade take?
The installation is often one day, but utility scheduling and permits can add days or weeks.
Does the utility charge for a service upgrade?
Some utilities charge fees or require their own work on the service drop. Policies vary, so ask your utility.
Is 400 amps ever needed?
For very large homes or homes with electric heat, pools and multiple EV chargers, a larger service may be justified by the load calculation.
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