Re:How cheap does solar power need to get before it takes ov...
by thinkcontext on Tuesday April 19, 2016 @10:19AM
(#11527108)
You are referring to a hydraulic accumulator[0], such systems were built in the 19th century, though not for household use.
There is a modern effort to use the technology in a massively scaled up fashion by Heindl Energy[1]. Their concept uses pumped water to raise a rock weight 100 meters or more in diameter.
There is a modern effort to use the technology in a massively scaled up fashion by Heindl Energy[1]. Their concept uses pumped water to raise a rock weight 100 meters or more in diameter.
[0] https://en.wikipedia.org/wiki/Hydraulic_accumulator [1] http://www.heindl-energy.com/hydraulic-rock-storage/overview...