New Process Promises Cheaper Cells
Jason Gray | May 19, 2013
The total cost of this sunlit energy was more than $300,000 a kilowatt-1,000 watts, only enough to light ten 100-watt bulbs. Less sophisticated cells intended for earthbound use now cost about $20,000 a kilowatt, still prohibitive except in remote places like offÂshore oil rigs and isolated radio relay stations. But many experts predict that solar-cell [...]