Gas power generation loses market share for the fifth year running, outcompeted by solar with nearly half of gas-generating countries already passed peak gas generation.

Ember is reporting that the gas share in the global electricity mix has fallen for the fifth consecutive year, while nearly half of the world’s gas-generating economies have already passed peak gas power generation, signalling a growing structural shift in the global electricity system.

The report finds that 61 out of 124 economies generating electricity from gas have already passed peak gas generation, including four G7 members: the UK, Germany, Italy and Japan. Among G7 countries, gas generation fell by 50TWh in 2025, while renewables grew by 123 TWh. Renewables generated almost as much electricity as gas across the G7 in 2025, leading to clean power overall overtaking fossil generation.

Gas share in the global electricity mix fell for the fifth consecutive year in 2025, declining from 23.9 per cent in 2020 to 21.8 per cent in 2025. While gas generation rose slightly in absolute terms, growth has slowed sharply as solar and wind increasingly meet rising electricity demand.

In 2025, solar generation grew by 636TWh, 17 times more than gas generation, which rose by just 38TWh. Solar alone accounted for around 75 per cent of new global electricity demand growth in 2025, while gas contributed only around 5 per cent.

“The economics and energy security case for electricity are increasingly moving in the same direction,” said Malgorzata Wiatros-Motyka, senior electricity analyst at Ember. “Recent geopolitical crises highlighted the risks of relying on imported gas. Countries are increasingly turning to renewables because they are domestically available, more price stable and faster to deploy.”

The analysis also found that some of the world’s largest electricity markets are meeting growing demand without significant reliance on gas. China, India and Brazil accounted for around 42 per cent of global electricity demand in 2025 yet continued to rely only minimally on gas in their power systems.

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