Panel Permits: Downers Grove vs Naperville
How do panel permits rules compare between Downers Grove, IL and Naperville, IL?
Downers Grove and Naperville have similar restriction levels.
Downers Grove, IL
DuPage County
Illinois protects residential solar energy installations through the Homeowners Energy Policy Statement Act and limits unreasonable association or municipal restrictions.
View full Downers Grove rules →Naperville, IL
DuPage County
Naperville requires building permits for all solar panel installations and mandatory electrical inspection before operation. The city offers net metering at 1:1 kWh credit and a Solar Incentive Program. Systems must meet NEC and local code standards.
View full Naperville rules →Key Facts Comparison
| Fact | Downers Grove | Naperville |
|---|---|---|
| HOA statute | 765 ILCS 165 | - |
| Restrictions | Must be reasonable | - |
| Incentive program | Adjustable Block Program | - |
| Permits | Local building required | - |
| Permit | - | Required |
| Net Metering | - | 1:1 kWh credit |
| Credit Expiry | - | March 31 annually |
| Incentive | - | $5/mo for 5 years |
Highlighted rows indicate differences between cities.
Downers Grove FAQ
Can my Illinois city deny a solar panel permit?
Cities may impose reasonable building, electrical, and zoning permits but cannot effectively prohibit solar installations. Health and safety conditions must be objectively justified.
What state incentives exist for solar in Illinois?
The Adjustable Block Program offers solar renewable energy credits, and Illinois Shines provides residential incentives. Net metering is required statewide for eligible systems.
Naperville FAQ
Do I need a permit for solar panels in Naperville?
Yes. A building permit and mandatory electrical inspection are required. You also need a signed Interconnection Agreement with the Naperville Electric Utility before connecting to the grid.
Does Naperville offer solar incentives?
Yes. The Solar Incentive Program is available for owned systems (not leased). It requires a $5/month contribution for 5 years. Net metering credits roll over monthly at 1:1 kWh.
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