SUMMIT Energy Solutions

Grafton city reference

Solar in Grafton, checked against utility math.

A city-level guide for Ozaukee County homeowners comparing quotes, system size, incentive timing, and We Energies billing assumptions.

Reference ZIP
53024
Utility
We Energies
Focus
Avoided-cost exports + rebate timing

Local numbers

The Grafton baseline

A 7 kW south-facing system in Grafton produces about 9,200 kWh/year per NREL PVWatts. Pre-incentive install cost runs $19,250 to $22,400, with cash payback around 10 to 13 years before financing markup.

9,200 kWh/year

Annual production

PVWatts v8, 7 kW south-facing.

~$16,850 to $20,000

Net cash cost

After incentives, before financing.

10 to 13 years

Cash payback

No dealer-fee markup.

17 to 22 years

Financed payback

With typical dealer fees.

Utility context

The bill rules are local.

Most of Grafton is served by We Energies. Net metering, rate trajectory, and program timing differ by utility; the Wisconsin state hub covers the cross-utility picture.

We Energies Ozaukee County Verified 2026-05-29