Washington, USA

Compare Solar Brands in Washington

Compare top tier-1 solar panel brands available in Washington — price per kW, efficiency, warranty and degradation.

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)

Compare top tier-1 solar brands sold across Washington.

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Why 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.

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