It’s mostly small companies that make up Colorado’s solar energy industry. But the other day, one of the world’s largest companies joined the mix here. General Electric, GE, is buying PrimeStar Solar, an Arvada start-up that makes a specific kind of solar cell called thin film. This technology got its start at the National Renewable Energy Lab in Golden. Ryan Warner speaks to NREL’s director of photovoltaics, Ryne Raffaelle.[Photo: NREL]
