Chile plans hydropower plant in the most arid place of the planet (afp.com) 3 points by leojg 10y ago ↗ HN
[–] lazyant 10y ago ↗ so I guess pumping water up to a reservoir and a turbine downhill is cheaper than capacitors/batteries to store solar power? [–] AndrewDucker 10y ago ↗ It's a lot more efficient, apparently. 70-80% efficient. And cheaper in the long-term than batteries. [–] ZeroGravitas 10y ago ↗ If you've got the geography for it, it's cheaper and has a long history of deployment which makes it a relatively safe bet.
[–] AndrewDucker 10y ago ↗ It's a lot more efficient, apparently. 70-80% efficient. And cheaper in the long-term than batteries.
[–] ZeroGravitas 10y ago ↗ If you've got the geography for it, it's cheaper and has a long history of deployment which makes it a relatively safe bet.
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