RMP - Rocky Mountain Power (ID)

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 If something here is out of date or missing, tell us and we'll fix it.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

Net metering & export

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

At the end of the customer’s February billing period the customer may request to transfer the unused financial credits to offset energy charges at the customer’s other eligible meters. Credits may be transferred to a meter or meters that meet the criteria

Rebates Offered
No
Deregulated
No

Interconnection & taps

Approval Req To Install
Yes
Supply Side Taps Allowed
Yes
Line Taps Allowed
Yes
Load Taps Allowed
Yes
Automatic Transformer Upgrade Size
0
Meter Aggregation Allowed
Yes

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
No Restrictions
Offset Value
0
Offset Calculation Period
0
Industry Standard Watts Sqft
2
System Offset Notes

The total combined customer generation power rating on the circuit with the addition of your system cannot exceed a reasonable portion of the total circuit annual peak load.

Offset Calc Tool
PV Watts

Metering & disconnect

Allowed Meter Adapter
ConnectDER,Tesla Backup Switch

Plans & docs

SLD Reqs
  • Two manual-operated, unitized load-break disconnect switches located near the POI are required.
  • AC Disconnects must be installed 3 ft. from the meter base. If multiple disconnects are used, IE: Battery and PV, then both must be within 3ft of meter. Show or note the distance on plans
  • Your generating facility must include a UL listed AC disconnect switch that provides a visible break, is lockable in the open position, and is located between the production meter and the sub-panel or other connection to the generating facility

TAPS

  • Taps not allowed in meter main combo panels
Electric Service Reqs

Transformer Upgrade Requirements "Upgrades are not common, but it can happen. The most common upgrades are when the generation exceeds the transformer limit and a new transformer needs to be installed. High voltage could also be identified but rare.

Once an accommodation has been identified, the process goes through PowerClerk to get a work order created. Then the local ops center will work with either the contractor or customer. The cost can be billed to either the contractor or customer and who pays for it can be decided through the local office.

You do have an option to downsize to avoid the upgrade. You will need to change the information on the application. If the application has been approved, we will need to send it back to engineering review to get approval on the new information. Engineering review can typically take up to 10 business days

"

Install Reqs

See Key Components

See PV / PV+Battery AC Disco Notes and Policy

Equipment Approvals
California Energy Commission
Electrical Diagram Notes

All Jobs [AC DISCONNECT SWITCH SHALL BE A MANUAL LOAD BREAK, LOCKABLE AND ENCLOSED. IT SHALL BE USED TO ESTABLISH VISUAL OPEN WORKING CLEARANCE FOR MAINTENANCE AND REPAIR WORK IN ACCORDANCE WITH RMP RULES AND PRACTICES. IT SHALL BE LOCATED WITHIN SIGHT OF AND WITHIN 10 FEET OF THE UTILITY METER, OR AT A RMP-APPROVED LOCATION WITH ACCEPTABLE SIGNAGE INDICATING THE LOCATION OF THE DISCONNECT.]

Website
link
Phone
(888) 221-7070
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with RMP - Rocky Mountain Power (ID) 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.