Solar Energy Data for Oregon

Detailed solar irradiance and production data for 3 cities in Oregon. The state averages 3.74 kWh/m²/day GHI — Below Average solar resources.

Oregon below the national average for solar energy production. While Oregon's solar resource is modest, favorable electricity rates and incentives can still make solar viable.

Oregon Overview

Cities with data: 3
Avg. GHI: 3.74 kWh/m²/day
Solar Rating: Below Average
Best City: Portland (3.53 kWh/m²/d)

Cities in Oregon — Ranked by Solar Potential

3 cities

Rank	City	GHI (kWh/m²/d)	Peak Sun Hours	5kW Production	Est. Annual Savings	Payback
#1	Portland (pop. 652,503)	3.53	4.0	5,898 kWh	$708	14.8 yrs
#2	Eugene (pop. 168,916)	3.93	4.5	6,541 kWh	$785	13.4 yrs
#3	Salem (pop. 175,535)	3.77	4.3	6,293 kWh	$755	13.9 yrs

Analyze any Oregon location

These figures are city-level averages. For your exact address in Oregon, use SolarScope's Site Studio to account for roof orientation, shading, and your utility rate.

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