HOTRoof mount 1.7kW DC addition to existing photovoltaic solar system (new system size 10.92kW). 4 additional modules; 27 kWh Storage, 1 Tesla Powerwall-3 battery with integrated PV inverter with 4 strings. 1 battery expansion pack, (no inverter); 225A bus with 200A MCB, interconnection via 120% rule, Tesla Backup Switch for whole home backup. Re-string all existing modules to powerwall-3.
Permit #TC-RES-0726-03636 · tucson · issued Jul 16, 2026
~$22,063est
Issued
Roof mount 1.7kW DC addition to existing photovoltaic solar system (new system size 10.92kW). 4 additional modules; 27 kWh Storage, 1 Tesla Powerwall-3 battery with integrated PV inverter with 4 strings. 1 battery expansion pack, (no inverter); 225A bus with 200A MCB, interconnection via 120% rule, Tesla Backup Switch for whole home backup. Re-string all existing modules to powerwall-3.
0Technicians for Sustainability (Unverified)