Just over fifteen years ago, Kannan Ramachandran had an idea. With seed funding from the Swiss Federal Office of Energy, the scientist in PSI-LEA's Energy Economics Group started working on a new ...

Rooftop solar PV has been central to the global energy transition since its origins, starting with Charles Fritts’ rooftop Selenium cell in New York in 1883. The modern era began in the 1940s, when ...