What better place to host the biggest solar energy installation at a U.S. national park than Yosemite? Tucked in a region that gets more annual sunshine than just about anywhere in the country, the California park boasts nearly perfect conditions for solar power.
Officials several days ago inaugurated the 672-kilowatt (kW) solar array, which comprises a 500-kW parking canopy for employees and visitors; a 100-kW rooftop solar array atop a warehouse; and a 72-kW wall-mounted installation (pictured above).
As we reported over a year ago, it was originally speculated that the "solar panels are expected to generate electricity at a levelized cost of about 13 cents per kilowatt hour, reducing annual electricity costs by about $104,000." According to The Business Journal, however, those annual energy costs savings are actually projected to be closer to $50,000 -- equivalent to around 12 percent of the park's annual electricity needs.
All 2,800 solar panels were supplied by