Solar Panels in Portland, OR

Portland gets 3.5 peak sun hours/day with electricity at $0.13/kWh. Calculate panels needed, cost after 30% ITC, and payback period.

Sun Hours
3.5/day
Rate
$0.13/kWh
Cost/Watt
$2.9
Net Metering
Yes

☀️ Portland Solar Calculator

7,308 kWh
Panels
218
System Size
87.2 kW
Annual kWh
89,118
Net Cost
$177,016
Savings/yr
$11,585
Payback
15.3 yrs
25-Yr Savings
$112,609

System Sizes in Portland

Monthly kWhPanelskWNet CostSavings/yrPayback
500156.0$12,180$79715.3 yrs
750239.2$18,676$1,22215.3 yrs
1,0003012.0$24,360$1,59415.3 yrs
1,5004518.0$36,540$2,39115.3 yrs
2,0006024.0$48,720$3,18915.3 yrs
2,5007530.0$60,900$3,98615.3 yrs

Solar Guide for Portland (2026)

Portland at latitude 45.52°N receives 3.5 peak sun hours/day. At $0.13/kWh, solar offers solid long-term savings.

Incentives: Federal ITC + OR Solar+Storage rebate ($5,000).

NEC Solar Requirements

All installations must comply with NEC Article 690: rapid shutdown (690.12), conductor sizing at 125% (690.8), and proper grounding per NEC 250. Use our Solar Wire Size Calculator for conductor sizing.

Disclaimer: Estimates only. Consult a licensed solar installer. NEC Article 690 compliance required.

Frequently Asked Questions

See also: Solar in Oregon