BrightSource’s Solar Electric Generating System (SEGS), which the company expects to complete in 2013, secured $1.6bn in loan guarantees from the US government and $168m from the internet giant, which joins NRG Solar as an equity investor in Ivanpah.

BrightSource and lead engineer Bechtel began work on the Ivanpah solar power tower located on federal land in the Mojave Desert in California in October 2010.

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