Solar power has been only capable of producing a small part of data centre energy needs, but this may change, says Peter Judge
Solar power has always seemed a good long term bet for renewable energy. After all, pretty much every single Joule of energy we use on the planet comes from the sun originally
The sun’s energy is caught by plants, which make fuels, either through the long process of fossilisation producing oil and gas, or by directly producing wood, or man-made ethanol to burn. Animals’ energy comes from plants, and the sun drives the water cycle which produces hydro-electric energy.
Nuclear power uses energy stored from older suns where the heavier elements are made. Geothermal energy does include energy originating on earth – it is the heat of the earth’s core, but it is maintained at that temperature by radioactive decay inside the earth.
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