Quote:
Originally Posted by Street Pharmacist
I'm order to store hydrogen as energy storage, you need to understand the losses so you can understand the economic feasibility. You lose 30% converting the electricity to hydrogen, you lose 10% compressing it, you lose some simply by storing it as it's the smallest molecule in existence and doesn't stay put well, then you lose 30% converting it back to electricity. That means you have at most 30% of the original energy left to put back into the grid. You'd need a lot of excess renewable generation to "fill" that storage for any significant gap, ie produce 3x what you'll need
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I seem to recall that the internal combustion Engine engine only operates at thirty five percent efficiency.
If there are copious amounts of cheap solar available, it might be financially feasable