Solar permits

Solar Permits in Naperville

Free weekly solar building-permit activity for Naperville, IL, computed from official city permit portals.

Solar permits this period
4
Share of all permits
0.9%
Trend
-50% week-over-week

Weekly solar trend: Jun 10: 2 · Jun 17: 3 · Jun 24: 0 · Jul 1: 2 · Jul 8: 3 · Jul 15: 2 · Jul 22: 1 · Jul 29: 2 · Aug 5: 1 · Aug 12: 0 · Aug 19: 3 · Aug 26: 0

Latest period through 2026-09-01, vs. 8 in the prior period, out of 430 total Naperville permits.

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Frequently asked questions

How active are solar permits in Naperville?

Permit Ledger tracks every solar building permit filed in Naperville each week and shows the count, the week-over-week trend, and solar permits' share of all Naperville permits, computed from official city permit portals, never estimated.

Can I get Naperville solar contractor leads?

The free view shows solar permit volume and trend. The $39/mo dashboard adds the top ZIP codes and the most-active solar contractors in Naperville, refreshed weekly.

How often are Naperville solar permit numbers updated?

Weekly. Every solar figure on this page refreshes after each weekly pull from official city permit portals.