1963: Japan Installs Huge PV Array on Lighthouse
Japan installs a 242-watt, photovoltaic array on a lighthouse. It is at the time the world’s largest array. [US Department of Energy, 2002 
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Japan installs a 242-watt, photovoltaic array on a lighthouse. It is at the time the world’s largest array. [US Department of Energy, 2002 ]