From 2024 to 2025, the annual global investments in clean energy sources and technology specifically relevant to the energy transition increased by *** percent. In 2025, global investment in the low-carbon energy transition totaled ***trillion U.S. dollars, which was a record high.
Energy transition technologies
Most energy transition investments worldwide focus on electrified transportation and renewable energy. These two segments reached total investments of ****and ****billion U.S. dollars in 2025, respectively. Power grids and electrified heat were others of the most financed technologies in that year. On the other hand, hydrogen accounted for a small share of investments, reaching a total of ***billion U.S. dollars.Â
Renewable energy investments
Solar energy accounted for the largest investment in renewable technologies worldwide in 2025. While renewable energy investment declined due to market reforms in China, it is estimated that they would need to quadruple to limit the temperature rise to *** °C by 2050.
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BloombergNEF. (January 31, 2026). Annual growth rate in clean energy investments worldwide from 2006 to 2025 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 04, 2026, from /statistics/502210/worldwide-investment-in-sustainable-energy-annual-growth/
BloombergNEF. "Annual growth rate in clean energy investments worldwide from 2006 to 2025." Chart. January 31, 2026. ÌÇÐÄÆƽâ°æ. Accessed August 04, 2026. /statistics/502210/worldwide-investment-in-sustainable-energy-annual-growth/
BloombergNEF. (2026). Annual growth rate in clean energy investments worldwide from 2006 to 2025. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 04, 2026. /statistics/502210/worldwide-investment-in-sustainable-energy-annual-growth/
BloombergNEF. "Annual Growth Rate in Clean Energy Investments Worldwide from 2006 to 2025." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 31 Jan 2026, /statistics/502210/worldwide-investment-in-sustainable-energy-annual-growth/
BloombergNEF, Annual growth rate in clean energy investments worldwide from 2006 to 2025 ÌÇÐÄÆƽâ°æ, /statistics/502210/worldwide-investment-in-sustainable-energy-annual-growth/ (last visited August 04, 2026)
Annual growth rate in clean energy investments worldwide from 2006 to 2025 [Graph], BloombergNEF, January 31, 2026. [Online]. Available: /statistics/502210/worldwide-investment-in-sustainable-energy-annual-growth/
