On November 12, the International Energy Agency (IEA) released its World Energy Outlook 2025 report, which predicts that by 2035. The newly installed capacity of solar photovoltaic in the world is estimated to be 540 GW annually.
The report points out that renewable energy is the fastest growing major energy source in all scenarios, with solar photovoltaic leading the way. However, under the "Current Policy Scenario" (CPS), which considers only currently implemented policies and regulations, global annual solar capacity additions will remain at 2024 levels and grow fatigue as the challenges of grid access and system integration intensify.
Even so, the share of renewable energy in the global power generation mix will increase from about one-third in 2024 to nearly half in 2035. However, coal will remain the largest single source of electricity for the next decade.
However, under the established policy scenario (STEPS), due to policy changes, the installed capacity of renewable energy in the United States by 2035 is expected to decrease by about 30% compared with last year. However, renewable energy continues to expand rapidly worldwide.
China will continue to be the world's largest renewable energy market, expected to contribute 45% – 60% of the world's new installed capacity in the next decade, and will remain a major manufacturer of most renewable energy technologies.
The report also points out that speeding up the renewal of photovoltaic power plants and replacing old components with today's high-efficiency components can not only cope with the mismatch between supply and demand in the current market, but also significantly improve power generation capacity. According to the IEA analysis, if the average efficiency of modules increases by 2 percentage points, the power generation under the same installed capacity can increase by more than 10%; if the renewal speed is accelerated, the global photovoltaic power generation is expected to increase by about 15% by 2035.
The report also points out that the pattern of the global energy market is increasingly being influenced by a number of emerging economies, including India and Southeast Asian countries . And includes parts of the Middle East , Latin America and Africa. The IEA said that these emerging economies are "taking over China's baton", but also pointed out that it is difficult for any single country to fully replicate China's energy development path.
Finally, the report points out that countries with insufficient access to electricity are facing challenges such as high financing costs, debt pressures and tight development budgets. At present, the progress of electrification is slow, and if we follow the current trend, it will be difficult for the world to achieve the goal of universal electricity consumption in the next decade or even by the middle of this century.
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