Nighttime solar power being tested in Arizona
An era of nighttime solar power is dawning in the U.S.
Arizona Public Service is now testing the Solana Generating Station, a massive solar thermal power plant that will be in the first in the country to use cutting-edge heat storage technology to extend energy production into the evening hours.
image via Edgar A. Gunther/Gunther Portfolio
An APS spokesman said the plant is expected to go into commercial operation this month – but already it is sending energy to the grid in the testing phase, include during periods when the sun isn’t shining on the nearly three square miles of row upon row of parabolic mirrors that have an aperture area of 2.2 million square meters.