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WG+E - Westfield Gas + Electric

Massachusetts Utility Interconnection & net metering rules
Net Metering Allowed1
NEM TypeMonthly
Line Taps Allowed0
Load Taps Allowed0
AC Disconnect RequiredYes

Net metering & export

Net Metering Allowed
1
NEM Type
Monthly
TOU Utility
0
Post Solar Billing Method
Net Metering
Net Excess Generation Notes

For any billing period for which WGE calculates excess generation for a customer, WGE shall apply the credit to the customer's account. The generation credit rate is based on WGE's actual avoided cost. Which is determined each January.

Rebates Offered
0
Deregulated
1

Interconnection & taps

Approval Req To Install
Yes
Interconnection Level
3
Line Taps Allowed
0
Load Taps Allowed
0
Automatic Transformer Upgrade Size
0
Meter Aggregation Allowed
0

System size & offset

System Size Restrictions
0
System Size Restriction Type
No Restrictions
System Size Battery Included
0
System Size Includes Existing Systems
0
Offset Type
Percentage
Offset Value
100
Offset Calculation Basis
Historical
Offset Calculation Period
12
Industry Standard Watts Sqft
2
Offset Calc Tool
Historical Usage

Metering & disconnect

Production Meter Required
No
AC Disconnect Required
Yes
AC Disconnect Labeling
Visible Lockable Labeled Disconnect
Allowed Meter Adapter
None

Plans & docs

Site Plan Reqs

Standard

SLD Reqs

Standard

  • Location of utility disconnect must be noted
Placards

Disconnect needs to be labeled

Electrical Stamp Required
1
Equipment Approvals
California Energy Commission
Meter Num Req SLD 3LD
1
Rate Schedule Link
link
Website
link
Phone
(413) 572-0100

Other details

Restrict Inspection
0
Revision Required
1
Mod Swap Requires Planset
1
Address ID
124280
Express Planset Eligible
Yes
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with WG+E - Westfield Gas + Electric 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.