It’s probably very low efficiency, but if you can design renewable energy systems to provide enough overage during peak generation periods, maybe it doesn’t matter.
As an example, MKBHD’s solar roof produces something like 30KW during peak sunlight, which is so much more than his home uses (even with air conditioning turned on) that it can charge his house batteries to 100% and gives him power to sell back to the electric company for future power credits.
Admittedly, not everybody has a house with a large roof or $120K to spend on solar. But if we can drive solar and wind power down enough in price per unit, the efficiency of the storage system becomes a lot less of a concern.
A system like this is designed to use excess generated power during times of low demand and then to put power back into the grid during peak usage times. This can help negate the need to bring another plant online and they can probably sell the power at higher prices during peak usage.
It’s probably very low efficiency, but if you can design renewable energy systems to provide enough overage during peak generation periods, maybe it doesn’t matter.
As an example, MKBHD’s solar roof produces something like 30KW during peak sunlight, which is so much more than his home uses (even with air conditioning turned on) that it can charge his house batteries to 100% and gives him power to sell back to the electric company for future power credits.
Admittedly, not everybody has a house with a large roof or $120K to spend on solar. But if we can drive solar and wind power down enough in price per unit, the efficiency of the storage system becomes a lot less of a concern.
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A system like this is designed to use excess generated power during times of low demand and then to put power back into the grid during peak usage times. This can help negate the need to bring another plant online and they can probably sell the power at higher prices during peak usage.