COI Energy | 1,991 followers on LinkedIn. Decarbonizing buildings by eliminating energy waste and repurposing it for good. | COI Energy is a digital energy management company on a mission to decarbonize buildings by eliminating energy waste and repurposing the waste for Good. We take a holistic approach to eliminating energy waste by optimizing energy behaviors with the ability to monetize energy asset flexibility for Demand Response, Energy Efficiency, and Renewable Energy markets. COI is a technology and vendor agnostic firm that is focused on the success of its clients.