GreatPoint Energy Greatpoint Energy, Bluegas, Hydromethanation, Clean Coal, Gasification, Natural Gas, Independence, CO2 Sequestration, Affordable, IGCC, Methane GreatPoint Energy is a technology-driven natural resources company and the developer of a proprietary, highly-efficient catalytic process, known as hydromethanation, by which coal, petroleum coke and biomass are converted directly into low-cost, clean, pipeline quality natural gas.