Comment by bmicraft
Weight always is a factor since heavy batteries cost more to transport, period. It's always relevant, not least for the installation too.
Weight always is a factor since heavy batteries cost more to transport, period. It's always relevant, not least for the installation too.
We're talking on the order of millions of kilograms for the building materials that needed to be transported to build it. The batteries needed for backup power for its occupants won't come anywhere close to that, even at far lower energy density than lithium.