Find a local cavern, seal it off and do compressed air storage.
- [Vo]:Battery system for wind farm Jed Rothwell
- Re: [Vo]:Battery system for wind farm Terry Blanton
- Re: [Vo]:Battery system for wind farm mixent
- Re: [Vo]:Battery system for wind farm mixent
- RE: [Vo]:Battery system for wind farm Jones Beene
- Re: [Vo]:Battery system for wind farm Alain Sepeda
- Re: [Vo]:Battery system for wind farm mixent
- RE: [Vo]:Battery system for wind farm Chris Zell
