3 ms·
What about pumping water uphill, then using turbines to catch it coming down when it is desirable to do so.
by artpop 16y ago
What about pumping water uphill, then using turbines to catch it coming down when it is desirable to do so.
- thingie 16y agoOf course. That's very common approach and there are many such power plants ("storage"). But as you can imagine, this cannot be built anywhere, cheaply enough and in large enough quantities. (http://upload.wikimedia.org/wikipedia/commons/3/33/Dlouhe_strane_horni_nadrz.jpg http://upload.wikimedia.org/wikipedia/commons/3/33/Dlouhe_st..., 2 × 325 MW for 6 hours when full, ~250 millions EUR to build)
- chopsueyar 16y agoSmith Mountain Lake around Roanoke, VA. 656MW of power generation/storage, built for $103 million in the early 1960s. http://en.wikipedia.org/wiki/Smith_Mountain_Dam http://en.wikipedia.org/wiki/Smith_Mountain_Dam More here: http://en.wikipedia.org/wiki/Pumped-storage_hydroelectricity http://en.wikipedia.org/wiki/Pumped-storage_hydroelectricity