Since the early 2000s, the formal off-grid solar sector has sold and distributed 375 million solar energy kits to off-grid populations ...

While it can be costly upfront, installing solar panels is a great way to reduce your monthly utility expenses long-term.

so if one of the small cells fails a large percentage of the panel may be rendered useless with no way to repair it. A solar development kit like this one from a group called Biosphere Solar is ...