||Cofounders Paul Grana (MBA 2009) and Paul Gibbs (MBA 2011);
|Its HelioScope software simplifies design and sales for solar systems—an energy source whose US installations doubled between 2015 and 2016.
||The software produced by the San Francisco–based startup, winner of the 2014 Northern California New Venture Competition, is currently in use by more than 1,500 companies.
||CEO Raphael Carty (MBA 1983);
|Reducing energy waste in commercial buildings and improving comfort through app-based surveying and learning software.
||Named one of New York City’s 100 most exciting startups by Business Insider in December, Callida’s implementation at a city municipal building resulted in a 31 percent reduction in HVAC use and costs.
||Cofounder and CEO Rahul Shendure (MBA 2001);
|Harnessing the kinetic energy of ocean waves, which could potentially generate one-third of the US energy supply.
||Won a $5.3 million grant from the Department of Energy to test its Triton-C “wave energy converter” at a Navy test site in Kaneohe Bay, Hawaii.
||Cofounder and CEO Nicole Poindexter (MBA 1997);
|Deploying solar-powered “microgrids” to supply reliable power to unserved communities in developing countries.
||Energicity finished its seventh microgrid project in Ghana this past spring; it expects to be serving 10,000 people by the end of the year.