Thermal Solar Power Gets Hot

Technology that focuses the sun's rays to create heatand generate electricityis attracting growing investment by utilities

With the arrival of summer, children can sometimes be seen playing with magnifying glasses, delighting in their seemingly magical ability to light small piles of leaves on fire. This year, a utility-size version of the same idea—concentrating the sun's rays to create intense heat—is attracting growing interest and investment from electric utilities seeking to boost their capacity to generate power from renewable energy sources.

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