Heliogen claims solar power breakthrough

Heliogen plant

Heliogen’s commercial facility in Lancaster, Calif., was able to concentrate sunlight at a temperature high enough to replace fossil fuels in industrial processes. (Heliogen Photo)

By Todd Bishop and Alan Boyle

solar energy tech company founded by serial entrepreneur and inventor Bill Gross — and backed by investors including Microsoft co-founder Bill Gates — says it has developed a way to create concentrated solar energy at temperatures hot enough to replace fossil fuels in industrial processes that contribute significantly to global carbon emissions.

It works by using cutting-edge computer vision technology to align a large array of mirrors to reflect sunlight to a precise target. The process creates immense heat, exceeding 1,000 degrees Celsius (1,832 Fahrenheit), that can replace traditional fuels such as coal, gas and oil in the production of materials such as cement, steel and petrochemicals.

The Los Angeles-based company, Heliogen, said this morning that it achieved the high-temperature milestone at its commercial facility in Lancaster, Calif.

It described the innovation as a “major step towards solving climate change” that could dramatically reduce greenhouse gas emissions from industrial processes. Such processes are thought to account for one-fifth of the world’s carbon emissions.

Get the full story on GeekWire.

About Alan Boyle

Aerospace and science editor for GeekWire, creator of Cosmic Log, author of "The Case for Pluto: How a Little Planet Made a Big Difference," president of the Council for the Advancement of Science Writing. Check out "About Alan Boyle" for more fun facts.
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