Versant Power (ME)

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 If something here is out of date or missing, tell us and we'll fix it.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
Supply Side Taps AllowedNo
Line Taps AllowedNo
Load Taps AllowedYes
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

Customers may accumulate unused kilowatt-hour credits and apply them against kilowatt-hour usage or total bill charges on a rolling 12-month basis. At the end of each 12-month period, any accumulated unused kilowatt-hour or dollar credits shall be eliminated and may not be applied against any future kilowatt-hour usage or bill charges. The customer will receive no compensation for unused credits.

Rebates Offered
No
Allows Standby
Yes

Interconnection & taps

Approval Req To Install
Yes
Supply Side Taps Allowed
No
Line Taps Allowed
No
Load Taps Allowed
Yes
Tap Criteria

Line Side Taps are not permitted

POI Hierarchy

BREAKER

LOAD SIDE TAP

DERATE

MPU

Automatic Transformer Upgrade Size
0
Meter Aggregation Allowed
Yes

System size & offset

System Size Restrictions
25
System Size Restriction Type
AC kW
System Size Battery Included
No
System Size Includes Existing Systems
No
Offset Type
No Restrictions
Offset Value
0
Offset Calculation Period
0
Industry Standard Watts Sqft
2
Utility Specific Adjustments


System Offset Notes

25 kW AC MAX (for Residential LVL 1)

Metering & disconnect

Production Meter Required
No
AC Disconnect Required
Yes
Allowed Meter Adapter
Tesla Backup Switch

Plans & docs

Site Plan Reqs


SLD Reqs
  • Total system size including existing systems must be outlined on SLD and Site Plan for ex. TOTAL SYSTEM SIZE: AC: 5kW (Existing) + 3.8kW (New) = 8.8kW AC DC: 5.67 (Existing) + 2.835 ( New) = 8.505kW DC
  • Do not split 15 mod system into 7/8 stings. Use 15 mods on a single string
  • Inverter models must match the specification sheet on plans, also specification sheet must specify UL1741 SB. Example: Adjust the inverter model name from SOLAREDGE SE6000H-USRGM [SI1] to SOLAREDGE SE6000H-US to be consistent with provided inverter datasheet.
  • Please ensure plans show max continuous output
  • Include meter number on ELD..
  • Meter number required on title block + single line diagram. Site capture should have picture of meter + closeup of number.
  • The AC Disconnect needs a note that it is utility accessible.

Battery Projects

  • A note for the gateway needs to state operation mode. Ex: “Self Consumption Mode”
  • A note for the battery needs to state operation mode: Ex: “Self Consumption Mode” and “PV ONLY EXPORT MODE and CHARGES FROM PV ONLY”.
Electric Service Reqs


Meter Num Req SLD 3LD
Yes
Site Plan Notes


Website
link
Phone
(855) 363-7211

Other details

Revision Required
Yes
Mod Swap Requires Planset
Yes
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with Versant Power (ME) 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.