It wasn’t that long ago–what, just seven, eight years ago now–that solar power was considered, justifiably, an expensive niche technology. Sure, environmentally solar power has always reigned supreme and there were enough people wanting clean energy for their homes to keep the industry in business, but solar was just too costly for mainstream use.
But behind the scenes, the technology was improving and its costs began dropping. China went into solar in a big way, further reducing costs through mass production. Germany’s long switch to renewables, accelerated by Fukushima, meant another giant market for solar, and solar’s costs didn’t just drop over the past several years, they plummeted. Continue reading