When your utility approves your interconnection, an installation typically lasts one to 3 days for residential rooftop; for a longer period for ground mount. A representative out of your town governing administration inspects your system and provides acceptance for interconnection. Web Metering: Washington’s Internet metering plan enables solar Electricity system https://residentialsolarpanelinwa.blogspot.com/2025/03/total-solars-premier-residential-solar.html