A systematic review finds that solar PV emerges consistently to the backbone of future energy systems, yet many models still underestimate its role. Across the globe, solar PV is projected to supply about 61% of the world's electricity by 2050. Major milestones within 100% renewable energy systems research over five decades created the modern understanding of solar PV’s pivotal role for global energy supply. Milestones cover various categories such as visionary scoping, advances in PV system applications, expanding economic insights, and methodological improvements.

A systematic review finds that solar PV emerges consistently to the backbone of future energy systems, yet many models still underestimate its role. Across the globe, solar PV is…

Solar overtook wind in global electricity generation in 2025, new data shows, as renewables reached a third of the world's power supply.