An estimated 1.3 billion people live without electricity in the so-called off-grid world. Even in countries that are moving from low-income to middle-income status, such as India, Ghana, Pakistan, and Vietnam, Bill Gates has observed that there are pockets of poverty that have no electricity. Unless families can purchase an expensive and heavy lead storage battery that needs to be carried to and recharged at a shop all day, going outside after dark is dangerous, indoor kerosene lamps release toxic fumes, and children can barely read or do homework by candlelight.
Around the world, individuals, non-profit organizations, and for-profit companies are working on solar solutions that provide electricity without increasing greenhouse gases from fossil fuels.
Thanks to startup funds from Pepsi, the Zayed Future Energy Prize, and other sources, Philippines-based Liter of Light is putting solar-powered lights in thousands of low-income homes in the Philippines, Colombia, Malaysia, and Mexico. Liter for Light is a project run by the non-governmental-organization, My Shelter Foundation, founded by social entrepreneur and actor IllacDiaz. While studying in the US at the Massachusetts Institute of Technology (MIT), Diaz discovered an invention by Brazilian mechanic, Alfredo Moser. Moser had used sunlight on water in a plastic bottle (including some bleach to prevent algae growth) to emit light from a ceiling "bulb" during the day. At night, light was emitted from a plastic water bottle holding LEDs wired to a little solar panel that had been exposed to sun for three to four hours during the day.
M-Kopa Solar is the Kenya-based "pay-as-you-go" commercial energy supplier for 280,000 homes in Kenya, Tanzania, and Uganda that lack electricity connections. Customers buy a $30 solar system that they operate with credits for use purchased in 50 cent increments. Of the $51 million
M-Kopa Solar raised in 2010, London-based Generation Investment Management invested $19 million. Debt and other investments accounted for the rest.
Solar Home System is a project developed by South Korean, Akas Kim, in order to install a rooftop solar panel that can light homes in Cambodia for four hours. Families combine their incomes to make an initial payment of $200 and another $350 in monthly installments.
South Korea's 2007 Social Enterprise Promotion Act is worth studying by other countries. By providing work spaces, mentoring, and government and private funding from companies such as Samsung and Hyundai, the Act backs startups that have a social purpose.
(An earlier post, "Don't Study by the Fire," mentions a backpack that has a solar powered light.)
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