Duke Energy Permit Checker: Maintenance, Rebuild or Expansion?

Why this classification is worth a minute of your time

Most Lake Norman owners think the permit question is "do I need one." It is not. Duke's guidelines describe even maintenance as requiring an application and written authorization from Lake Services before work begins, so the answer to that question is nearly always yes. The question that actually costs money is which category your scope lands in.

Here is why. A structure permitted years ago under earlier guidelines may not meet today's rules, and Duke calls that non-conforming. Non-conforming structures may be maintained exactly as they are. But the guidelines say that when it becomes necessary to rebuild one, the rebuilt structure must comply with the guidelines in effect at the time of replacement to the maximum practicable extent. A dock built when the rules were looser can therefore be repaired at its current size and cannot necessarily be rebuilt at its current size.

The threshold between the two is measured per calendar year, which means sequencing is a legitimate planning conversation and a very expensive thing to discover afterward. It is also one of the main reasons two quotes for the same dock differ by thousands.

The three buckets, in Duke's own terms

The current limits a rebuild has to meet

If you land in the rebuild bucket, these are the numbers that matter, because your rebuilt structure has to work inside them.

• Two slips or hoists and 1,000 square feet maximum allowed surface area for an individual private facility, plus up to two personal watercraft mooring devices.
• One pier or dock per project-front lot, unless Duke permitted the facility before June 1, 1996.
• Length: no more than one third of the distance to the opposite shoreline measured from full pond, or 120 feet lakeward of full pond, whichever is more limiting.
• A clear 25-foot maneuvering area between the farthest part of the facility, moored boats included, and the opposite shoreline or any permitted facility there. No new or expanded facilities in coves under 25 feet wide.
• Fixed pier decking at least one foot above full pond, which on Lake Norman means roughly 761 feet above sea level, since full pond is 760.
• Open sides. Covered slips, boat shelters and gazebos may not be enclosed, siding and latticework specifically included. One enclosed storage locker of four feet by six feet or smaller is allowed on a shore-side corner, and it has to be noted in the application.
• Single story. A roofed structure may carry an unroofed second-story sundeck, but not a second roof.
• No additions to an oversized non-conforming facility, including adding roofs or decks above any existing portion.

Material choices interact with all of this more than owners expect. Switching to composite decking often means adding joists, and joists are a named primary component, which is exactly how a re-deck quietly becomes a rebuild. That mechanism is walked through in wood versus aluminum versus composite on Lake Norman.

Common questions about Lake Norman dock permits