"Berkshire Hathaway Inc.’s NV Energy agreed to pay 3.87 cents a kilowatt-hour ... Last year the utility was paying 13.77 cents a kilowatt-hour for renewable energy ... The utility also agreed to pay 4.6 cents a kilowatt-hour for power from SunPower Corp.’s 100-megawatt Boulder Solar project."
http://www.bloomberg.com/news/articles/2015-07-07/buffett-sc...
"Berkshire Hathaway Inc.’s NV Energy agreed to pay 3.87 cents a kilowatt-hour ... Last year the utility was paying 13.77 cents a kilowatt-hour for renewable energy ... The utility also agreed to pay 4.6 cents a kilowatt-hour for power from SunPower Corp.’s 100-megawatt Boulder Solar project."