Johannesburg alone has enough rooftop space to power the entire country through midwinter without coal. So why have installations slowed?

Sceptics of rooftop solar would suggest that the technology has run up against its natural financial constraints. Pointing to the French asset management firm Lazard’s Levelized Cost of Energy ...

The struggling rooftop solar industry faces a potentially fatal blow after the House of Representatives passed a tougher version of President Trump’s expansive tax-and-spending package. The bill ...

Three environmental groups argued Wednesday before the California Supreme Court that state utility regulators acted illegally when they voted in late 2022 to slash incentives for rooftop solar panels.

The struggling rooftop solar industry faces a potentially fatal blow after the House of Representatives passed a tougher version of President Trump’s expansive tax-and-spending package. The bill ...