How to Calculate Solar Energy for Your Commercial Building in 5 Steps
Calculating solar energy for your facility requires three core measurements: your average daily electricity consumption in kilowatt-hours, your location’s peak sun hours, and your available roof or ground space. With these numbers in hand, you can determine whether solar makes financial sense for your operation and estimate the system size needed to offset your energy costs.
The math itself is straightforward. Divide your daily energy use by your area’s peak sun hours to find the system capacity you need, then account for efficiency losses of roughly 20 percent. A business consuming 500 kWh daily in a region with five …