Boylston Municipal Light Department

Massachusetts Utility Interconnection & net metering rules

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Tariffs and interconnection rules move often. If something here is out of date or missing, tell us and we'll fix it.

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Net Metering AllowedYes
Line Taps AllowedNo
Load Taps AllowedNo

Net metering & export

Net Metering Allowed
Yes
Post Solar Billing Method
Net Metering
Rebates Offered
No

Interconnection & taps

Approval Req To Install
Yes
Line Taps Allowed
No
Load Taps Allowed
No
Automatic Transformer Upgrade Size
0

System size & offset

System Size Battery Included
No
System Size Includes Existing Systems
No
Offset Value
0
Offset Calculation Period
0
Industry Standard Watts Sqft
2
System Offset Notes
Maximum System capacity is limited to 10 kW (AC), Inverter rating.
Offset Calc Tool
N/A

Metering & disconnect

Production Meter Required
No
Production Meter Position
N/A
Production Meter Labeling
N/A
Allowed Meter Adapter
None

Plans & docs

SLD Reqs
An electrical one-line diagram or sketch depicting how the inverter will be interconnected relative to the service entrance panel and the electric revenue meter.
Electric Service Reqs
The Facility shall provide a disconnect switch (30 amp D.C, 600 volt, line side of inverter, to be used to shut down the flow of power from the system) at the interconnection point with BMLD that can be opened for isolation. The switch shall be in a location accessible to BMLD personnel at all times.
refer to pg 1 in terms and conditions
Website
link
Phone
(508) 869-2626
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with Boylston Municipal Light Department before you rely on this. The useful move: if an installer says you need a main panel upgrade, ask how these tap and interconnection policies were considered first.