Arbor Energy develops modular gas turbine systems for zero-emissions baseload power using oxy-combustion technology that runs on natural gas or biomass and captures CO2 for sequestration. The company is developing the ATLAS 1 MW pilot unit and the HALCYON 25 MW commercial product for data centers and industrial use. It was founded by Brad Hartwig and Andres Garcia-Clark, former SpaceX engineers, and is headquartered in El Segundo, California.