Batteries? You mean like digging a hole/making a wall and pumping water? https://en.wikipedia.org/wiki/Taum_Sauk_Hydroelectric_Power_Station https://en.wikiped

Batteries? You mean like digging a hole/making a wall and pumping water? https://en.wikipedia.org/wiki/Taum_Sauk_Hydroelectric_Power_Station https://en.wikipedia.org/wiki/Taum_Sauk_Hydroelectric_Power_... Or we could just spin some rocks around. https://www.torus.co/torus-flywheel https://www.torus.co/torus-flywheel Rather have solar/wind and this than shipping depleting goop from foreign nations.