Duke Energy Progress NC

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 If something here is out of date or missing, tell us and we'll fix it.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

Net metering & export

Net Metering Allowed
Yes
Post Solar Billing Method
Net Metering

Interconnection & taps

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

System size & offset

System Size Battery Included
No
System Size Includes Existing Systems
No
Offset Value
0
Offset Calculation Period
0
Industry Standard Watts Sqft
2
System Offset Notes
The rated capacity of the generating system shall not exceed the lesser of the customer’s estimated maximum annual kilowatt demand or 1,000 kilowatts
Offset Calc Tool
Historical Usage

Plans & docs

SLD Reqs
Model numbers Nameplate sizes of equipment, including number and nameplate electrical size information for solar panels, inverters, wind turbines, disconnect switches, etc. The metering arrangement required whether installed on the customer side of the existing meter (“net metering/billing”) or directly connected to the grid through a new delivery point requiring a separate meter
Install Reqs
Requirements for Disconnect Switch A clear, visible open point of disconnection A clear, visible indication of switch position Padlock provisions for locking the switch in the open position Installed on the interconnection customer's side of the electrical interconnection with the utility's system, accessible to utility personnel Located in close proximity to the utility's electrical delivery point Labeled "Generator Disconnect Switch" The switch may isolate the interconnection customer and its associated load from the utility's system or disconnect only the generator from the utility's system and shall be accessible to the utility at all times.
Website
link
Phone
(866) 233-2290
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with Duke Energy Progress NC 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.