Prepaid Solar Light pay $10 down, activate $1 card, punch SMS code, have Light

Pay As You Go Sunshine: How Solar Energy

and Mobile Phones are Powering the Developing World Africa

Kerosene for lamp costs $3 a week = $12/month

search IndiGo pay-as-you-go solar energy system

Developed by solar energy firm Eight19, based in Cambridge,

UK, IndiGo costs $1 a week to run, though the unit itself must

be leased for an initial $10 fee. kurzweilai.net

UK company: eight19.com/technology/how-indigo-works

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Prepaid electricity card like Mobile Phone

Pay $10 down - activate with $1 scratch card - have solar light

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That is, until he became the first person in the world to use the IndiGo pay-as-you-go solar energy system. Samuel purchased the system for an affordable $10 and now activates it automatically with a $1 scratch-card each week

source: newswatch.nationalgeographic.com