Residential · Solar + Battery
Harraton, Washington — 4.2 kWp solar + 5 kWh battery on 1970s semi
Washington · NE38 · 2026-03
A south-east-facing 1970s semi in Harraton, Washington. The owner had been monitoring electricity prices for 18 months and wanted both bill reduction and partial energy independence. We sized a 10-panel 4.2 kWp system with a 5 kWh battery to maximise self-consumption.
64% lower electricity bills
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