residents in the village of sirakoro in southwestern mali are getting ready to welcome visitors.e village has never had electricity. now that's about to change, thanks to torsten schreiber and his wife aida. they're the founders of a company called africa green tec. they arrive to great fanfare. their company brings solar power plants to remote villages in the sahel region. everyone here has been looking forward to this day for a long time. >> "it's such a relief to finally achieve e this and mae it possible for the people here. >> "this has taken nearly nine months of preparation. when the moment finally comes where you know, now it's happening, tomorrow there'll be light, it's a great relief. " >> while the villagers celebrate, the malian technicians from africa green tec set to work. there's lots to do before the lights can go on. after the long journey, every component needs checking. the container spent six months at the customs office, followed by a long drive lasting many days over sandy roads. the solar system costs 150,000 euros. the hope is, it will strengthen the local