The Renewable Energy Industry

Is there such a thing as a "Renewable Energy Industry"? That depends on the point along the value chain. Most certainly not where the technologies are developed and manufactured. Due to the very different nature of the various sources such as wind, waves and solar, there are very few touchpoints between the technologies. There is just not much that a wind turbine has in common with a solar module. As a result, the indsutry structure reflects that, with companies focusing on one major technology. Companies may be active in both thin film and crystalline pv, but they don't also develop tidal stream technologies. Consequently, there are separate industries for hydro, tidal, wave, wind, photovoltaics, solar thermal, geothermal and biomass.