Bangladesh has the world's fastest growing, off-grid solar home system (SHS) coverage. The number of SHS installations has risen phenomenally--from a five-year target of 50,000 in 2003 to 50,000 a month a decade later. By early 2014, installations totaled more than 3 million. Even so, this figure represents just 10 percent of the country's off-grid households, suggesting ample room for continued program expansion. Surge in Solar-Powered Homes: Experience...