Global energy transition Investment reached a record $2.3 trillion in 2025, up 8% from 2024, according to BloombergNEF.

BloombergNEF’s annual Energy Transition Investment Trends report covers details of investment in the global energy transition including clean technologies, climate-tech equity investment and debt issuance for energy transition purposes.

The largest investment drivers were electrified transport ($893 billion), renewable energy ($690 billion), and grid investment ($419 billion). Renewable energy investment fell 9.5% year-on-year however as changing power market regulations in China, the world’s largest market, introduced new uncertainty. All other sectors tracked by BNEF saw a rise in their investment levels, with the exception of hydrogen ($7.3 billion) and nuclear ($36 billion).

The report finds that clean energy supply investment also outpaced fossil fuel supply for a second consecutive year in 2025, with the gap widening to $102 billion from $85 billion in 2024.

However, despite energy transition investment being at an all-time high, growth has slowed steadily, from 27% in 2021 to 8% in 2025.

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