Tiny houses mean smaller costs.
Don't expect the new technology to become solar's dark twin just yet, but it could play an important role in energy demands of the future.
Solar lights can help local governments drastically reduce their spending on electricity bills.
Small-scale renewable energy projects can power rural areas not connected to the main grid. But investors may hesitate if future electrification remains unpredictable.
In sub-Saharan Africa there are more people with mobile phones than access to electricity, and their data could be useful.
A lighting revolution is underway across Africa that's occurred largely without government or donor involvement.
Lowering your carbon footprint by living off-grid is a sustainability dream. But how possible is it using current technology?
A massive rural on-grid electrification programme in Rwanda has delivered considerable benefits. But is it the most sensible way to deliver power to remote areas?
To achieve universal energy access by 2030, the UN says Senegal must double its electrification rate.
Energy Secretary Rick Perry says the US needs to subsidize nuclear and coal power plants to keep the grid stable. But this policy would raise energy costs and could drive consumers off-grid instead.
The centralised regulation of electric power in Nigeria is stalling progress in the sector. To achieve stable power supply, the country must obey its constitution and decentralise regulation.