That is one monstrous looking item... interesting in concept but my gut reaction is that for the purpose of 90% of pond owners aeration through pump and airstone/membrane is still the best way to go.

Now a simpler/smaller surface agitator using solar power/battery might be worth contemplating... hmmm...

Owner/Builder of Ottawa Canada's first official off-grid home.

http://www.mygamepictures.com - Hosting your outdoor adventure, fishing, hunting and sports related pictures!