Back to today’s briefing

Story perspectives

Solar Energy Surges: Cheapest Power Source Worldwide

10/9/2025

43 6 Full Breakdown

Summary

Story summary

Solar energy is the cheapest power source, even in the UK.
Solar accounts for 83% of global electricity demand growth, with contributions from lower-income countries.
In Q2 2025, EU solar generation reached 122,317 GWh and became the primary electricity source.
Perovskite solar cells could boost efficiency without increasing land use significantly.

History

Historical Context

The global surge in solar energy capacity began in earnest around 2010, driven by technological advancements and declining costs. By 2020, solar power accounted for 83% of the increase in global electricity demand, with the EU generating 122,317 GWh. This shift towards renewables is crucial for reducing reliance on fossil fuels and combating climate change, as evidenced by a 30% growth in solar capacity in 2023.

1 of 2

Story summary

Solar energy is the cheapest power source, even in the UK.
Solar accounts for 83% of global electricity demand growth, with contributions from lower-income countries.
In Q2 2025, EU solar generation reached 122,317 GWh and became the primary electricity source.
Perovskite solar cells could boost efficiency without increasing land use significantly.

1 / 2