Scientists remedy photo voltaic power’s burning query: tips on how to make it cheaper than fossil fuels

Scientists solve solar energy's burning question: how to make it cheaper than fossil fuels

In a struggle between photo voltaic and fossil fuels, the latter has all the time had a killer query up its sleeve: “What about supercritical steam?” That is the tactic by which probably the most superior energy stations generate electrical energy, superheating water till it immediately turns into steam, a feat that is solely attainable (and reasonably priced) by burning coal or fuel. Or, at the very least it was. Australia’s Commonwealth Scientific and Industrial Analysis Group has managed to make use of photo voltaic power to the identical impact, boiling liquid to temperatures of 570 levels Celsius in a check chamber. What does this imply for all of us? “Energy crops of the longer term might as an alternative be utilizing the free, zero-emission power of the solar,” explains Dr. Alex Wonhas.

Theoretically, future energy stations could possibly be coated in photo voltaic panels, however that power is simply directed in the direction of heating the water essential to drive a steam turbine. That system could also be lengthy-winded, however it’s considerably cheaper than putting in photovoltaic methods on the roofs of each residence on the planet, and will use present infrastructure, too. Naturally, we’re nonetheless within the early levels of the system, however even probably the most ardent fossil-gasoline fanatic cannot disagree that swapping out coal for photo voltaic on this technique can be cheaper than paying to dig carbon out of the bottom.

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