SUMMIT Energy Solutions

Tualatin city reference

Solar in Tualatin, checked against utility math.

A city-level guide for Washington County homeowners comparing quotes, system size, incentive timing, and Portland General Electric billing assumptions.

Reference ZIP
97062
Utility
PGE
Focus
PGE exports + ETO incentives

Local numbers

The Tualatin baseline

A 7 kW south-facing system in Tualatin produces about 8,050 kWh/year per NREL PVWatts. Pre-incentive install cost runs $17,850 to $21,000, with cash payback around 10 to 12 years before financing markup.

8,050 kWh/year

Annual production

PVWatts v8, 7 kW south-facing.

~$15,350 to $18,500

Net cash cost

After incentives, before financing.

10 to 12 years

Cash payback

No dealer-fee markup.

16 to 21 years

Financed payback

With typical dealer fees.

Utility context

The bill rules are local.

Most of Tualatin is served by Portland General Electric. Net metering, rate trajectory, and program timing differ by utility; the Oregon state hub covers the cross-utility picture.

PGE Washington County Verified 2026-05-29