MASS ACA - Net Metering Cap Allocation

Massachusetts Utility Interconnection & net metering rules

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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
No
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
Cap Allocations provided to proposed solar facilities authorize Net Metering Services up to the KW DC-STC capacity requested in an Application for Cap Allocation. The Cap Allocation (or impact against the Cap) provided to solar facilities is calculated at 0.8 x KW DC-STC, per the Section 5(B) of the System of Assurance of Net Metering Eligibility, a value set by the Massachusetts Legislature.
β€’ Cap Allocation: 0.8 x KW DC-STC
β€’ Authorization To Build: KW DC-STC (equal toπΆπ‘Žπ‘ π΄π‘™π‘™π‘œπ‘π‘Žπ‘‘π‘–π‘œπ‘›
0.8)

Metering & disconnect

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

Plans & docs

Website
link
Phone
(877) 357-9030
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with MASS ACA - Net Metering Cap Allocation 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.