How do I calculate from a developing on the most likely consumption of every mission?

Notice Zero Energy-Power on: question Rubber Ducky : How do I calculate a consumption likely to property of electricity on its occupancy rate I'm designing a building hypothetical in Long Beach, CA. There should be a net zero energy, installing green building training. I need to know how much kWh me to be able to produce electricity in other ways to make energy available. My maximum occupancy is about 400-500 people. How do I calculate the number of kWh that I need to make this building

Tesla Electricity Works