www.solardave.com Here is a video I took while talking with Tom Gabriel (TipsByTom.com). In the video you get to see the installation of 3 solar panels that replace one windmill to provide water for a 1000 head of cattle. solar panels replace windmill The cattle can drink 40-50 gallons of water a day and the tank shown can hold around 2000 or 3000 gallons. They can drink the tank dry 10 times a day. The three solar panels feed in to a Grundfos CU 200 SQFlex water pump control unit (about …... more