SUMMIT Energy Solutions

Lake Zurich city reference

Solar in Lake Zurich, checked against utility math.

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

Reference ZIP
60047
Utility
ComEd
Focus
Illinois Shines + utility billing

Local numbers

The Lake Zurich baseline

A 7 kW south-facing system in Lake Zurich produces about 9,400 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.

9,400 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 Lake Zurich 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 Lake County Verified 2026-05-29