The humble solar home system, comprising in its simplest form a panel and battery, has helped millions of families in developing Asia gain access to electricity. In off-grid areas and poor communities, this setup provides a household with enough power for basic needs such as lighting, running a fan, or charging mobile phones. Dozens of business models have been created to sell solar home systems to the poor at affordable rates, leading to millions of installed systems. ADB is working with private start-ups like India’s SELCO, whose strength lies in a doorstep service model. It has also partnered with Simpa Networks, which has introduced a pay-as-you-go system for financing solar home system purchases. In the public sphere, ADB supports major initiatives like an off-grid solar program implemented by Bangladesh’s state-run Infrastructure Development Company Ltd., under which more than 4.1 million solar home systems have been installed... — blogs.adb.org/blog