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AnonymousWritings t1_iy1146o wrote

Reply to comment by Commisioner_Bush in News Release: NREL Creates Highest Efficiency 1-Sun Solar Cell - 39.5% efficiency by TimeSpentWasting

It's not a battery. It's a set of generation sources that have to be ramped up and down to meet demand. And ramping up variable sources to meet peak demand times tends to be expensive for the grid.

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sjbglobal t1_iy27yfq wrote

If you live in a country with lots of hydro power then it kind of acts like a battery

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