RockPort Capital Partners, LP  is a venture capital firm based in Boston.  It has made investments in fuel cells and reliability, and is interested in future investment opportunities in the areas of biomass, combined heat and power, e-commerce, energy management systems, fuel cells, hybrid power generation, hybrid vehicles, hydrogen, information technologies, micro turbines, photovoltaics, power electronics, power quality, reliability and electricity transmission. RockPort is also interested in lithium ion batteries, superconductivity, etc.

RockPort makes investments in the $500,000 - $6 million range via early-stage venture financing.  It is a member of the The National Alliance of Clean Energy Business Incubators and the Industry Growth Forums.