Morocco is considered a the hope of the future by some in the solar energy industry, but the region also poses some technical difficulties.
Some experts believe Germany could get 100 percent of its energy from renewable sources by 2050. That might seem like a distant goal - but it's one that's already been achieved in a tiny village in Brandenburg.
Power from the sun and wind is becoming more widespread. But energy storage devices are crucial in order to efficiently use such energy. Could the Tesla battery mark a new era for energy storage, in the home and beyond?
German power company EnBW has moved closer to buying former domestic wind farm operator Prokon. The company made headlines globally last year when it went bust after promising too much to investors.
Elon Musk, CEO of Tesla Motors, has launched Tesla Energy's Powerwall - a project he hopes will speed the world's adoption of solar power by making reliable household energy storage battery packs widely affordable.