Sister blog of Physicists of the Caribbean in which I babble about non-astronomy stuff, because everyone needs a hobby

Monday, 9 October 2017

Africa's power distribution may do away with the traditional European grid networks

As they explored various ways to get power to their new neighbours, they realised that the grid will never supply those in Rwanda and beyond who currently lack electricity: such communities are dispersed over immense areas, and are too poor to afford such extensive infrastructure. That’s when they arrived at a grand idea: they concluded that Africa will largely bypass the grid and leapfrog over Europe and North America straight into solar – just as it did in skipping landlines, a rarity in rural Africa, in favour of cell phones.

The company would need to raise investor funding to enable them to build a team and get the technology up to par. Yet despite their discoveries on the ground, nearly everyone they approached, as Hamayun puts it, “thought what we’re doing was really risky and not scalable, because it’s Africa.” The first round of funding proved exceptionally difficult to raise, he continues, because there was no real precedent for doing technology business in Africa. “These are customers who have been underserved in every possible way,” he says.

The technology itself, it turned out, was the simplest part of getting such operations up and running. In BBOXX’s case, solar energy gathered from a panel on the roof is stored overnight, while remote connectivity over 2G cell networks allows for geolocation and performance data to be sent back to headquarters. Algorithms monitor the units’ health and allow the team to proactively replace fading batteries (usually, after about three years). Customers can also buy accessories that BBOXX designed to minimise energy use, including shavers, smartphones and a 24-inch television that consumes 11 watts of power compared to an equivalent Western model’s 24 watts.

As for payments, the team realised early on that rural customers would never be able to afford to buy a BBOXX unit outright. So they opted instead for pay-as-you-go monthly installment plans. “That removes the massive upfront barrier that’s often the case for solar systems in the developing world,” Baker-Brian says.

Five months ago, when BBOXX established an office in Rwamagana, the district where Mberabagabo lives, he was one of the first to sign up. The technology, he says, “has changed my life.” His family’s four lights have increased their sense of security against would-be trespassers, and he also appreciates that he no longer has to burn candles and lamps that emit smoke, which he knows is bad for his children’s health. A father of five, the lights mean that Mberabagabo’s older kids can read and study into the night, and go to bed later.

THERE ! ARE ! FOUR ! LIGHTS !

Sorry... carry on....

13-year-old Claude, his eldest child, says he “loves” the television that his family rents along with the box itself – their first TV. For optimal viewing, Mberabagabo set it up in a sort of home cinema room, windowless, cool and completely barren save for the TV and the benches located opposite for watching. Though transfixed by a Brazilian football match on a recent afternoon, Claude – who would like to be a teacher when he grows up – insists that the news is his favourite programme. Shy and polite, he stands by this unexpected answer, even when a foreign journalist asks him if he’s sure sports and cartoons aren’t his favourites.

“Now I’m able to know who is who in the government,” he explains. “I can ask better questions at school.”

http://www.bbc.com/future/story/20171009-rural-rwanda-is-home-to-a-pioneering-new-solar-power-idea

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