The article says the current plan is to use line power…so not perfect. But if it’s more efficient then charging dc batteries it could be worth it, plus the grid could always change. Waste wise you wouldn’t have to throw out any lead acid or lithium ion batteries when they finally die, which is an environmental win. Not sure if this is for only new facilities or not but if you do have to buy all new equipment and scrap all your old stuff that is an environmental loss.
It’s not even is the same ballpark as dc batteries. Charging a battery is 93-97% efficient as is the use of that power so overall efficiency stays above 90%. Hydrogen average 40-60% overall efficiency. It ONLY makes sense when using 100% renewable.
Especially in situations where it’s otherwise wasted. California has been curtailing massive amounts of solar each year, dumping the extra into hydrogen would be amazing
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The article says the current plan is to use line power…so not perfect. But if it’s more efficient then charging dc batteries it could be worth it, plus the grid could always change. Waste wise you wouldn’t have to throw out any lead acid or lithium ion batteries when they finally die, which is an environmental win. Not sure if this is for only new facilities or not but if you do have to buy all new equipment and scrap all your old stuff that is an environmental loss.
It’s not even is the same ballpark as dc batteries. Charging a battery is 93-97% efficient as is the use of that power so overall efficiency stays above 90%. Hydrogen average 40-60% overall efficiency. It ONLY makes sense when using 100% renewable.
Especially in situations where it’s otherwise wasted. California has been curtailing massive amounts of solar each year, dumping the extra into hydrogen would be amazing