Tony-
Have found quite a few suppliers of solar powered well pumps, by just googling it!
Most seem to be American or Aussie...here are a few..

Solar pump suppliers:-

Dankoff Solar Pumps
www.dankoffsolar.com

Backwoods Solar
www.backwoodssolar.com

Real Goods
www.realgoods.com

It's certainly possible to aquire one, but I've not had the chance to look into the cost.