Domestic PV sizing rule-of-thumb (RoT)

Domestic PV sizing rule-of-thumb (RoT) Grid-tied, focused on self-consumption UK rule-of-thumb (RoT) Peak Sun Hours (PSH): 3.5 summer, 2.0 spring/autumn, 1.0 winter For calc use Peak Sun Hours (PSH) = 2 h for UK spring/autumn. Assume a typical house uses 10 kWh/day, of which 6 kWh at the evening.   PV size = daily kWh […]