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Fergus Electric Cooperative

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

Net metering & export

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

Member generation in excess of their monthly usage will be banked for later use in the current 12 month period. The annual billing period for net metering begins on April 1 and ends on March 31 of the current year. NEG paid at retail rate

Rebates Offered
0
Deregulated
1
Allows Standby
0

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
25
System Size Restriction Type
AC kW
System Size Battery Included
0
System Size Includes Existing Systems
0
Offset Value
0
Offset Calculation Period
0
Industry Standard Watts Sqft
2
System Offset Notes

Residential systems cannot exceed 25kW AC

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

Install Reqs
  • AC Disconnect must be within 10FT of the utility meter
  • Utility prefers to have the disconnect on the same structure of the utility meter. Per utility "We prefer that the disconnect be on the same structure as our meter. The ten feet is an accommodation for extenuating circumstances."
Placards

AC Disconnect

  • Must be clearly market "Generator Disconnect Switch"
  • If the disconnect is more than 10FT a weather resistant placard must be mounted next to the meter indicating clearly where the disconnect switch is located

Per utility "We also require everything to be clearly labeled; preference engraved. Please reference state code requirements for solar installation labeling requirements."

Electrical Stamp Required
0
Equipment Approvals
California Energy Commission
Meter Num Req SLD 3LD
0
ESID Num Req SLD 3LD
0
Website
link
Phone
(406) 538-3465

Other details

Address ID
4777676
Express Planset Eligible
Yes
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with Fergus 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.