4 ms·Just build water towers. 100m water tower is nowhere near as an extreme engineering as this.by baybal2 6y agoJust build water towers. 100m water tower is nowhere near as an extreme engineering as this.riffraff 6y agoa 100m water tower doesn't hold as much energy either does it? It's pretty light compared to concrete, I think.baybal2 6y agoLess by 2.5 times, but it being 2.5 times more wouldn't make much difference. Power, and energy density would still be very, very bad.