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North Carolina solar permits

Permit timelines, fees, reviews and inspections for 6 North Carolina jurisdictions. Across them, the median time to a residential solar permit is 11 business days.

Alamance County19.5 business days
Cary7.5 business days
Durham11 business days
Greensboro14 business days
Raleighsame day
Wake County4 business days

North Carolina utility interconnection

Utility	Approval before install	Apply via	Fee	Utility response	System size cap	Capacity map
Duke Energy Carolinas, LLC	Required	Portal	Online payment	3 days (voluntary)	No size cap on record	Not on record

All utilities

Source: SolarTRACE, National Renewable Energy Laboratory (NREL), 2025-09-09 release. Times are medians for residential solar in the year shown. Requirements change — confirm current rules, fees and forms with the jurisdiction before you submit.