If the covid 19 virus has removed all the workers from the buildings you are the Facilities Manager for you should take a good look at the electric, gas and water usage in recent weeks. The graphs and reports Carbon Counter provide to clients are showing interesting trends and suggest opportunities for long-term savings.
In the above bar graph the dark red is the baseload, which is either essential power systems such as servers and refrigeration units etc. or unnecessary baseload from tools, office equipment units and appliances remaining powered when the building is unoccupied. In normal times unoccupied equates to night-time.
The above chart is the data from one sub-meter in the business park, constant usage varied, a bit of investigation is needed.