Business owners are choosing to invest in solar energy for many reasons, one being that it reduces operating costs. Solar technology has proven to be extremely reliable. It is also important to note that the businesses that produce solar power are also connected to the grid- meaning that power will still be accessible at night even when there is no sunlight. Net metering (NEM) is a billing mechanism that credits solar energy systems for the electricity they add to the grid.
It is unlikely that you will use all the solar energy produced by your solar panels on a daily basis, so net metering sends excess energy back to the grid, and in return, your utility company will give you credits that further lower your electricity bill. Going solar as a commercial building owner is a strategic decision that can give significant return, not just financially but your company will be reducing it's carbon footprint.