Washington, USA
Solar Blog in Washington
Solar guides, tips and news relevant to homeowners in Washington.
Avg sun hours/day
3.7 hrs
Avg electricity rate
$0.107/kWh
Monthly savings (5 kW)
$59
Top incentive: Sales tax exemption (systems ≤10 kW)
Solar guides and tips for Washington homeowners.
Open Solar BlogWhy solar makes sense in Washington
With 3.7 peak sun hours per day and a residential rate of $0.107/kWh, a 5 kW rooftop system in Washington typically offsets $59/month in electricity costs. Combined with Sales tax exemption (systems ≤10 kW), payback periods commonly land in the 4–7 year range. Use the tools above to size your system and download a free personalised quote.