This publication surveys the costs and risks of investing in wind, solar, biofuel, and other small-scale renewable energy systems. Most small-scale renewable energy projects do not generate cheap energy, and these projects often involve significant complications and risks. Nonetheless, there are many good reasons for farmers to consider a small-scale renewable energy system. Small-scale renewable energy projects can be excellent investments for farms and rural businesses, especially those that are looking for new management options or marketing possibilities.