If you put solar panels and wind turbines on every street light and centers on them so the lights only come on when a car or person on road or foot party the city’s or towns would have no power bill and gravity feed water towns could put water turbines in the water lines to make power and if you built more turbines on dames like 3 or 4 more turbines you could get 3 to 4 times more power from a dam for the same amount of water