Solar Photovoltaic (PV)2 / 18
Sizing a PV System
Available roof area, orientation, shading, kWp rating, annual yield.
10 min read · Jacob Willis, Net Zero Lead
Sizing a PV system means matching the array to the available space, the site conditions, and - crucially - the building's own electricity demand. A well-sized system maximises value; a poorly sized one exports cheap power it could have used.