Eastern Maine Electric Cooperative

Maine 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 If something here is out of date or missing, tell us and we'll fix it.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
NEM TypeAnnual
Line Taps AllowedNo
Load Taps AllowedNo
AC Disconnect RequiredYes

Net metering & export

Net Metering Allowed
Yes
NEM Type
Annual
TOU Utility
No
Post Solar Billing Method
Net Metering
Net Excess Generation Notes

"Any excess energy is used to future bills. We allow up to one year to use the excess and we use the oldest ones first. This is done automatically. The credits are only to KWH usage so they will always get a minimum monthly charge and any lights will be charged as well"

Rebates Offered
No
Deregulated
Yes

Interconnection & taps

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

System size & offset

System Size Restrictions
0
System Size Restriction Type
No Restrictions
System Size Battery Included
No
System Size Includes Existing Systems
No
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
Utility Disconnect Switch
Allowed Meter Adapter
None

Plans & docs

Site Plan Reqs

Standard

SLD Reqs

Standard

Electric Service Reqs

AC Disconnect Required

  • A disconnect switch is required to be provided, installed by, and paid for by the interconnection customer. The disconnect switch must be accessible to and lockable by the T&D utility personnel and clearly labeled as a Generating Facility Disconnect Switch.
Placards

AC Disconnect

  • Must be labeled "Generating Facility Disconnect Switch"
Electrical Stamp Required
No
Equipment Approvals
California Energy Commission
Meter Num Req SLD 3LD
No
ESID Num Req SLD 3LD
No
Website
link
Phone
(207) 454-7555
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with Eastern Maine Electric Cooperative 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.