SUMMIT Energy Solutions

Glen Ellyn city reference

Solar in Glen Ellyn, checked against utility math.

A city-level guide for DuPage County homeowners comparing quotes, system size, incentive timing, and Commonwealth Edison billing assumptions.

Reference ZIP
60137
Utility
ComEd
Focus
Illinois Shines + utility billing

Local numbers

The Glen Ellyn baseline

A 7 kW south-facing system in Glen Ellyn produces about 9,250 kWh/year per NREL PVWatts. Pre-incentive install cost runs $19,600 to $23,800, with cash payback around 7 to 8 years before financing markup.

9,250 kWh/year

Annual production

PVWatts v8, 7 kW south-facing.

~$9,100

Net cash cost

After incentives, before financing.

7 to 8 years

Cash payback

No dealer-fee markup.

12 to 15 years

Financed payback

With typical dealer fees.

Utility context

The bill rules are local.

Most of Glen Ellyn is served by Commonwealth Edison. Net metering, rate trajectory, and program timing differ by utility; the Illinois state hub covers the cross-utility picture.

ComEd DuPage County Verified 2026-05-29