Compressed Air Storage: Difference between revisions
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*EPRI head states that air will be cheaper per watt hr store than batteries. - [http://www.bloomberg.com/news/articles/2014-06-05/sustainxs-compressed-air-storage-may-boost-renewable-energy] | *EPRI head states that air will be cheaper per watt hr store than batteries. - [http://www.bloomberg.com/news/articles/2014-06-05/sustainxs-compressed-air-storage-may-boost-renewable-energy] | ||
*Cost Comparison of Energy Storage - [https://books.google.com/books?id=TPReBwAAQBAJ&pg=PA180&dq=cost+comparison+of+air+storage+to+batteries&hl=en&sa=X&ved=0ahUKEwjfgevCj4PNAhXLx4MKHQXAA4QQ6AEINTAC#v=onepage&q=cost%20comparison%20of%20air%20storage%20to%20batteries&f=false] | |||
Revision as of 01:09, 31 May 2016
Taking example calculation at https://en.wikipedia.org/wiki/Compressed_air_energy_storage -
a 250 gallon propane tank stores 1 kWhr of energy when compressed to 200 PSI. Taking efficiency of an air engine - generator to be 50% - we have .5 kWhr. So a 500 gallon tank would get us 1kW hr of usable energy.
See comments below: