well, no: unless the whole campus is also built without machinery, you're trading upfront energy (building with more insulation, building the additional power s

well, no: unless the whole campus is also built without machinery, you're trading upfront energy (building with more insulation, building the additional power storage retrieval distribution system etc) with the ability to sustain the building with low energy later on also, James May tried to plug gym machinery to an electric car, the human output is just too low for electrical appliances - think not laptops, but washing machines, vacuum cleaners etc.