I'm sure theres a way to calculate the wh per kg or per l, to compare with energy density of existing lithium ions. That would be interesting to see. Unfortunately, I am not motivated enough to pick up pen and paper like you are.
I'm sure there are 25 or even 50 acres Of Land can be found somewhere that's close to water. We.ll just put those in the solar farms, perhaps put some of the panels on top of the structures to conserve space.
Also 8000mwh is a pretty siZabel plant. Quick search yields that it would support close to 1 mil people. I guess it's not even that much...
The lake idea also has challenges though. We're talking moving an entire lake.. that's 10x more water than the lead idea.
Stick to power wall idea I say
Last edited by spectastic; 02-24-16 at 03:00 PM.