Semiconductor-based LEDs have reduced electricity consump…

TechnologyContemporaryglobalhigh confidence

Semiconductor-based LEDs have reduced electricity consumption for lighting by a factor of five compared to incandescent bulbs.

Notes on verification

DOE and ENERGY STAR both confirm LEDs use roughly 75-80% less energy than incandescents for equivalent light output, corresponding to a ~4-5x efficiency improvement. 'Factor of five' is a reasonable rounding within cited ranges.

Sources

L’électroluminescence du graphène, une découverte inattendue (inp.cnrs.fr)
https://www.energy.gov/energysaver/led-lighting (energy.gov)
https://www.energystar.gov/products/lighting_fans/light_bulbs/learn_about_led_bulbs (energystar.gov)

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