This dimension groups energy technologies by the energy source they actually harness. Wikipedia notes that variable renewable sources include "wind power and solar power," while controllable sources include "dammed hydroelectricity, bioenergy, or geothermal power," each requiring its own distinct technology. Browsing this way collects every technology built around the same source.
Facts
Comparison
Era of Emergence Physical Basis Energy Source Used
Sources
1. Photovoltaics - Wikipedia
History, Becquerel 1839 photovoltaic effectQuote, History, Becquerel 1839 photovoltaic effect
In 1839, the French scientist Edmond Becquerel first observed the photovoltaic effect when he noted an electric current was produced by a metallic solution exposed to solar radiation.
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