NGP Energy Technology Partners is a venture capital firm based in Washington, D.C. that focuses on investing in companies in the energy sector. Founded in 2005, the firm manages approximately $500 million in committed capital and has made 16 investments to date. Their notable portfolio includes companies such as Zahroof Valves, Signum Instruments, GeoDigital, Lehigh Technologies, Community Energy, LED Engin, TPI Composites, and Southwest Windpower. NGP Energy Technology Partners has had five successful exits, including TPI Composites, Lehigh Technologies, and Southwest Windpower.