The world’s solar power is crossing a threshold. A decade ago, it barely registered on a global scale, providing just 1% of the world’s power. In 2026, it will almost certainly increase to 10% of power, and overtake nuclear, a mainstay of electricity since the late 1970s. Globally, solar electricity generation quietly overtook nuclear power, just, in 2025, according to statistics from UK-based energy think tank Ember. Over the past 12 months up to September 2026, though, its data shows it clearly now outstripping nuclear, producing 13% more power.
“[Solar] generating more electricity than all the world’s nuclear power plants is a pretty insane stat, for sure,” says Dave Jones, co-founder of Ember.
From China’s vast arrays to a recent solar upsurge driven by escalating oil prices, the incredible rise of solar power has defied all projections. Here are seven ways it has become an apparently “unstoppable force” – and what the future looks like from here.
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