TedX talk by Professor Heindl on his idea of storing energy:
I have blogged about this concept before, in November 2011. I like it. As Heindl explains in this talk, it is cheap (per kWh), has a high efficiency, and a low footprint.
The only problem is that there are none of these projects built yet. It may work, but it is still an unproven concept.
Appreciate CleanTechnica’s originality? Consider becoming a CleanTechnica Member, Supporter, Technician, or Ambassador — or a patron on Patreon.