Quote:
Originally Posted by redpoint5
I'm thinking of all batteries. We need breakthroughs in cost, because it isn't economically justifiable right now to store renewable energy in batteries. We just fire up the existing power plants and crank out the shortfall in electricity.
EVs have essentially a $10,000 fuel tank, which is smaller "capacity" than regular $100 fuel tanks, which takes hours to fill, which degrade over time, which require thermal management, which weigh a lot...
Huge hurdles to overcome. We'll get there eventually.
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The Tesla grid storage batteries will pay for themselves very quickly.
And that doesn't even count the fact that we no longer would have to build peaker plants - which are VERY EXPENSIVE to build and to operate.
Gravity storage systems are cheap, scalable, and very efficient - about 85%.