I do know that solar and wind are the fastest - growing sources of new electricity generation in the world, growing at record - setting double - digit rates every year. (realclimate.org)
Also, it's worth noting that wind power, while it can't compete with retail electricity prices like solar can, is often the cheapest option for new electricity capacity. (treehugger.com)
As the nation considers investment in new electricity infrastructure, we should maintain a long - range perspective. (scientificamerican.com)