World’s Biggest Solar thermal power plant goes online in California desert

Despite strong objections from wildlife activists the world’s largest solar project, Ivanpah solar thermal power station officially opened on February 13, 2014.

Sprawling across 5 square miles (13 square kilometres) in the Mojave desert near the California-Nevada border, the $2.2 billion (USD) Ivanpah solar Electric Generating System has more than 340,000 computer controlled mirrors that focus reflected sunlight onto boilers located on the top of three towers, each of which is 150 feet tall (45 meters). The sun heats water inside the towers, creating steam that moves turbines and generates enough emissions-free electricity to power 140,000 homes, or about 392-megawatts. Far from a distance, these mirrors which are known as heliostats look like a clear lake rising from the desert.

Ivanpah is comprised of 340,000 sun-tracking mirrors (heliostats), which surround three, 459-foot towers Read more: World's Largest Solar Thermal Energy Plant Opens in California

Ivanpah is comprised of 340,000 sun-tracking mirrors (heliostats), which surround three, 459-foot towers 

Ivanpah is about four times bigger than New York City’s Central Park and can also be viewed from the International Space Station. With an expected power factor of 32% the plant should generate about a billion kilowatt-hours each year.

According to most sources the Ivanpah plant was partially financed by a $1.6 billion loan guarantee from the U.S. Department of Energy, the project also received many additional incentives that made it an attractive investment. The Ivanpah plant opening indicates a major step in federal and state renewable energy attempts; however federal funds for such projects under President Barack Obama have been mostly exhausted, meaning the private sector must bridge the gap at a time when constructing a natural-gas fired power plant costs about $1,000 per megawatt, a tiny amount of the $5,500 per megawatt that Ivanpah plant cost.

Ivanpah is about four times bigger than New York City's Central Park and can also be viewed from the International Space Station

Ivanpah is about four times bigger than New York City’s Central Park and can also be viewed from the International Space Station

The solar market has changed considerably since the Ivanpah was approved by California regulators in 2010. Traditional solar panels, based on photovoltaic technology that employs the sun’s light to produce electricity, have gone through a massive drop in costs since the last few years, leaving solar thermal far expensive.
Ivanpah technology originator BrightSource Energy (BSE) Inc has been unsuccessful in securing a permit for any additional solar thermal projects in California partly due to environmental issues, including apprehensions that the extreme heat and energy generated around its plants would harm or kill desert birds.

Ivanpah is owned jointly by privately-held BrightSource, power plant owner NRG Energy Inc and equity investor Google Inc. Apart from Ivanpah, NRG Energy has also invested in a couple of other large government financed solar power plants in the U.S. West.

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Carrie Ann
Carrie Ann is Editor-in-Chief at Industry Leaders Magazine, based in Las Vegas. Carrie covers technology, trends, marketing, brands, productivity, and leadership. When she isn’t writing she prefers reading. She loves reading books and articles on business, economics, corporate law, luxury products, artificial intelligence, and latest technology. She’s keen on political discussions and shares an undying passion for gadgets. Follow Carrie Ann on Twitter, Facebook

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