Whole-house generator permits in NC rose 64% in the Piedmont after Winter Storm Fern

Winter Storm Fern brought freezing rain, sleet and snow across the Carolinas over the weekend of January 24 and 25, 2026. By the afternoon of January 26, Duke Energy had restored power to 93,609 customers in North Carolina, and 10,554 were still out. Most outages lasted less than a day. But Duke had warned that outages could last several days, and the permit records show what many homeowners did next: they bought a standby generator. In the Piedmont offices TarSignal reads, generator permits doubled in February and March and are still running well above last year.

Quick answers

Winter Storm Fern: what happened in January 2026

Fern's freezing rain and sleet brought down trees and power lines across the Carolinas that weekend, and Duke Energy warned that outages "could last several days." On Sunday afternoon 14,802 of its North Carolina customers were without power and 23,258 had been restored. By Monday afternoon the North Carolina total restored had reached 93,609, with 10,554 still out. In September, Duke said its crews restored nearly 200,000 Carolinas customers in all, 95 percent of them within 24 hours and every one within 48. The hardest-hit areas were western North Carolina and the Upstate of South Carolina.

So for most people it was a short outage in a cold week. The permits suggest it was still enough to sell generators: households had been warned of days without power, in the middle of a cold snap.

What the permits show: a doubling, then a higher normal

In the four Piedmont offices in this count, Wake County, Greensboro, Alamance County and Gaston County, 114 homes had a generator permit filed in February and March 2025, and 116 in the same months of 2024. In February and March 2026 there were 229. The jump came in the first full month after the storm. January 2026 itself, with only a week after the storm, looked like any other January.

The only bigger month in the records is October 2024, the month after Hurricane Helene, when 147 homes in the same offices filed. That spike faded within a month. This one didn't fade as far. From April to July 2026 the Piedmont offices had 279 generator homes, against 168 in the same months of 2025, and in August and September 216 homes filed, against 128 a year earlier, up 69 percent. October 2026 already has 116 with days still to come, against 76 in all of October 2025.

Over January to September, 754 Piedmont homes had a generator permit, up 64 percent from 460 in 2025 and 49 percent from 507 in 2024. Permits of every kind in the same four offices rose 7 percent. 2025 was a quiet year for generators in Wake County, which makes its own jump look bigger, but even against 2024 Wake is up 55 percent.

Inland up, coast down

The coast went the other way. In Brunswick and Onslow counties, where generators are usually bought for hurricanes, 314 homes filed for one from January to September 2026, 12 percent fewer than in 2025 and 20 percent fewer than in 2024. Fern's damage was inland, and the coast's own generator buyers are usually thinking of hurricane season. Gaston County, west of Charlotte, had its own February jump but ended the nine months level.

What a generator job looks like on a permit

The typical 2026 permit is an air-cooled standby unit of 22 to 25 kW with an automatic transfer switch, set on a pad beside the house and fed by natural gas or a propane tank. The transfer switch is mentioned on 277 permits. Generac is by far the most named brand. A job often takes two permits: Greensboro's 168 generator homes needed 259 permits, because the electrician files the electrical permit and a gas or plumbing contractor files for the fuel line. Wake County files both on one trade permit.

Not every job is a standby unit. 115 permits in 2026 were for a cheaper route: an interlock kit or power inlet that lets a portable generator feed the panel. Specialist generator dealers file many of the standby permits, and propane suppliers appear on the gas side, setting tanks and running lines.

What it means for your business

• Electricians: a standby generator is a transfer switch, a panel tie-in and often a service change, the same skills as a service upgrade. Demand in the Piedmont has run about two-thirds above 2025 since April, so it isn't only a post-storm blip.
• Gas and plumbing contractors: four in ten generator permits are for the fuel line. If you hold a fuel piping or plumbing license, the generator dealers in your county are a steady source of subcontract work.
• Propane suppliers: a new standby unit on propane is a new tank customer. The permits show the address and the date the job was filed.
• Generator dealers: coastal demand is softer than in 2024 and 2025, and the growth in 2026 is inland, in the Triangle and the Triad.
• Homeowners: get the permit, so an inspector checks the transfer switch, the panel work and the gas line. The permit records also show which installers near you have done the most of these jobs.

Every permit counted here is in TarSignal's Permit Search. Search the work description for "generator" to see each job, its address, its value and the contractor, in any office we cover, or set a Project Alert for new ones.

How these numbers were counted

• Permits are counted by the date they were filed with the office (or issued, where an office records no filing date, as in Brunswick County and Greensboro), from January 2024 to September 30, 2026, with October 2026, still incomplete, mentioned separately. Only offices whose records describe the work and whose permit counts stayed steady over the whole period are included: Wake County, City of Greensboro, Alamance County, Gaston County, Brunswick County and Onslow County. Mecklenburg, Raleigh, Durham and others are left out because their records either grew during the period or rarely describe trade work.
• A generator permit is one whose work description mentions a generator, leaving out commercial and new-building permits and descriptions that mention solar panels or a telecommunications tower. Each home is counted once per office in each window (each month in the chart, each January–September in the table), so a job filed as an electrical and a gas permit counts once. A job whose description doesn't say "generator" isn't counted, so these are counts of described work, best read as trends.
• Generator sizes, brands, transfer switches, interlock kits and the share of gas permits are from all 1,530 generator permits filed in the six offices from January to September 2026. Values are declared on electrical permits for a standby generator, leaving out interlock kits, in Wake County (154 permits) and Brunswick County (133).
• Storm and outage figures are from Duke Energy's news releases of January 25, January 26 and September 16, 2026. Permit rules are as written in G.S. 160D-1110, 87-21, 87-43 and 87-43.1 in October 2026. These numbers line up with the storm; they can't show why each homeowner bought a generator.