How much CO2 will a solar roof save?
The CO2 savings of a solar roof will depend on many factors, including: The energy source the solar production is replacing (coal, gas, hydro-electric, nuclear. • The quantity of energy produced by the solar roof (depending on the roof’s location, orientation, inclination and shading) • The quantity of electricity needed to manufacture the photovoltaic system (modules, inverter, cables, etc.) • The “energy habits” of the solar roof owner.If your electricity comes from a coal fired power station, each kWh you use will release around 1.000 g of equivalent carbon (various greenhouse gases converted into ‘equivalent carbon units’ for comparison). However, if your original electricity comes from a hydro-electric power station, it is producing much less carbon equivalent emissions (less than 10g). A very important factor is the design of the system. If a system is wrongly designed (e.g. modules facing the north and 90 inclination) the electricity output will be very low and therefore the sys