REDI links people and places to renewable energy. Our mission is to develop energy conservation, energy efficiency and renewable energy for the public benefit. REDI is a 501c3 charitable,educational and scientific organization. REDI links people and places to renewable energy. Our mission is to develop energy conservation, energy efficiency and renewable energy for the public benefit. REDI is a 501c3 charitable,educational and scientific organization. Past Explore our history of groundbreaking innovation Present Need help? Save energy and money on your home Future Our vision for a clean and renewable future Renewable Energy Development Institute Our mission is to develop energy conservation, energy efficiency, and renewable energy for the public benefit. REDI is a 501c3 charitable, educational and scientific corporation started in 1989.