LED advances accelerate universal access to electric lighting

Peter Alstone; Arne Jacobson

doi:10.1016/j.crhy.2017.10.015

LEDs: the new revolution in lighting / Les LED : la nouvelle révolution de l'éclairage

LED advances accelerate universal access to electric lighting

Peter Alstone ¹ ; Arne Jacobson ¹

¹ Schatz Energy Research Center, Humboldt State University, 1 Harpst Street, Arcata, CA 95521, USA

Comptes Rendus. Physique, Volume 19 (2018) no. 3, pp. 146-158.

Abstract
Résumé

A rapid increase in the performance and quality of white LED light sources has changed the dynamics of electricity access in the last 10 years, reaching tens of millions of people with electric light who previously had no viable alternatives to fuel-based lighting, which is dangerous and expensive. Eliminating fuel-based lighting is a key public health, safety, social equality, and environmental opportunity that is now achievable. Technology advances in LEDs, other super-efficient appliances, solar photovoltaic generation, advanced batteries, and coordinating information technology systems have combined to significantly expand the reach of off-grid energy systems. With support and effort, it is plausible that small “pico-solar” and “solar home” systems could serve over a billion people within a generation, providing basic but highly valued services. Continued progress can be achieved with attention to continued improvements in technology, supporting a growing range of new businesses and enterprises in energy access markets, and synergy with broader human development effort around access to clean water, financial inclusion, and fair access to resources.

L'accroissement rapide des performances et de la qualité des sources LED de lumière blanche a changé la dynamique de l'accès à l'électricité au cours des dix dernières années, permettant à des dizaines de millions de gens qui, auparavant, n'avaient pas d'alternatives viables à l'éclairage au pétrole, qui est dangereux et cher, de bénéficier de l'éclairage électrique. L'élimination de l'éclairage au pétrole est un enjeu clé de santé publique, de sécurité, d'égalité sociale, et une opportunité environnementale qui est à présent à notre portée. Les avancées technologiques dans le domaine des LED ainsi que d'autres appareils domestiques extrêmement efficaces, la génération photovoltaïque solaire, les batteries de nouvelle génération et les systèmes coordonnant l'information se sont associés pour étendre significativement la portée des systèmes électriques hors réseau. Avec soutien et effort, il est plausible que de petits systèmes « pico-solaires » et « maison solaire » puissent alimenter un milliard de personnes en l'espace d'une génération, procurant des services de base, mais de grande utilité. Un progrès continu peut être atteint si l'on porte attention à poursuivre les améliorations technologiques, qui soutiendront un nombre croissant de nouvelles activités et entreprises sur les marchés de l'accès à l'énergie, en synergie avec les efforts de développement humain autour de l'accès à l'eau propre, l'accès aux ressources financières et l'accès équitable aux ressources.

Published online: 2018-01-05

DOI: 10.1016/j.crhy.2017.10.015

Keywords: Light emitting diodes, Solid state lighting, Energy efficiency, Developing world, Solar lighting
Mot clés : Diodes émettrices de lumière, Éclairage à l'état solide, Efficacité énergétique, Pays en voie de développement, Éclairage solaire

Author's affiliations:

Peter Alstone ¹; Arne Jacobson ¹

¹ Schatz Energy Research Center, Humboldt State University, 1 Harpst Street, Arcata, CA 95521, USA

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     title = {LED advances accelerate universal access to electric lighting},
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     pages = {146--158},
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Peter Alstone; Arne Jacobson. LED advances accelerate universal access to electric lighting. Comptes Rendus. Physique, Volume 19 (2018) no. 3, pp. 146-158. doi : 10.1016/j.crhy.2017.10.015. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2017.10.015/

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