It has been a long, controversial and expensive road for BrightSource Energy, but their 392 megawatt concentrating solar plant is now finally delivering renewable energy to the California grid and it is the largest plant of its kind in the world.
Ivanpah Solar Energy Generating System (ISEGS), which is comprised of 350,000 garage door-sized mirrors that reflect sunlight onto boilers atop 40 foot towers, is jointly owned by NRG Solar, Google and BrightSource Energy – a company that started out at Luz International in Israel.
In addition to offsetting roughly 400,000 tons of carbon dioxide emissions every year, the massive solar facility located roughly 50 miles northwest of Needles, California, will deliver solar power to roughly 140,000 homes via California utility companies PG&E and Southern California Edison.
Despite this enormous boost for solar energy, BrightSource Energy has taken a lot of heat from environmentalists and social activists for their five square mile solar project in the Mojave desert.
It took months to resolve the issue of relocating desert tortoises that call the desert home, to make way for thousands of concentrating mirrors, and Native Americans complained that the project destroys sites that are sacred to them.
The Wall Street Journal reports that the towers, which reach temperatures of 1,000 degrees Fahrenheit, have scorched an astonishing number of birds.
The paper also notes that the energy produced at Ivanpah will cost four times as much as natural gas and boasts a smaller generation capacity to land ratio than conventional plants. In other words, CSP projects like ISEGS require more land than fossil fuel plants.
Despite these downsides, the $2.2 billion plant will produce one third of all solar thermal energy in the United States, and potentially pave the way for similar projects to take flight as well.
:: WSJ
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