This dimension marks how mature a specific energy technology actually is, experimental, emerging or fully commercial. Wikipedia notes that "in some geographic localities, photovoltaic solar or onshore wind is the cheapest new-build electricity," a sign of just how mature those particular technologies have become. Browsing by maturity separates technologies still emerging from those already fully commercial.
Facts
Comparison
Era of Emergence Physical Basis Maturity
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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