Great Solar Works! Share: Contractors / Construction Visit Website Request Info 77 Croesus Creek Road Hailey, ID 83333 (208) 721-7003 NA (fax) Facebook About Map About Great Solar Works! designs and installs solar, wind and hydro on-site power generation systems andenergy efficient pumping and heating technologies for off-grid and grid-tied locations. What's Nearby? Distance: 5 10 15 20 25 50 mi.