When an early warning system designed to alert operators across Europe about disturbances on the grid was rolled out a decade ago, the predominant color showing on the on-screen maps was green. Safe ...

This chart shows electricity generated by solar power in 2025, by country (in TWh).

It is 70 years since AT&T’s Bell Labs unveiled a new technology for turning sunlight into power. The phone company hoped it could replace the batteries that run equipment in out-of-the-way places. It ...

Ember's Nicolas Fulghum says that the latest global solar deployment figures reflect 'structural changes in the power system' ...