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再生可能エネルギーは過去最高の年を記録した——それでもまだ十分ではなかった

Renewables Just Had Their Best Year Ever — And It Still Wasn't Enough

2025年、再エネ新規導入量は過去最高の692GWを記録。それでも2030年目標には届かない——送電網・蓄電・資金の課題が浮き彫りに。
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At first glance, the numbers look triumphant. In 2025, the world added 692 gigawatts of renewable power capacity, pushing the global total to 5,149 GW. Renewables supplied 85.6% of all new power capacity, and solar alone contributed about 511 GW, while wind added nearly 159 GW. That is the fastest expansion ever recorded. And yet, the world is still not on track for the 2030 goal. According to IRENA, reaching the agreed target of 11.2 terawatts by 2030 now requires average annual additions of about 1,122 GW from 2025 onward — equal to 16.6% yearly growth, which is still above the 15.5% achieved in 2025. (irena.org)

Why does a record year still fall short? The first reason is simple arithmetic: one spectacular year cannot fully compensate for slower progress earlier in the decade. The second reason is imbalance. Asia accounted for 74.2% of new renewable capacity in 2025, while Africa, despite posting its fastest growth rate, added only 11.3 GW in total. In other words, renewables are booming globally, but not evenly. A transition that depends too heavily on a few strong markets is impressive, yet still fragile. (irena.org)

The deeper problem is that building turbines and solar panels is no longer the only challenge. The International Energy Agency says current policies would raise global renewable capacity to about 9,530 GW by 2030 — strong growth, but still below the tripling goal. The missing pieces are grids, storage, finance and faster permitting. To make the 2030 pathway work, the world needs more than 25 million kilometres of electricity grids to be built or modernised, and global storage capacity must reach 1,500 GW by 2030. High financing costs in many emerging economies, weak grid infrastructure, long wait times for connections, and outdated regulations all slow deployment. (iea.org)

So the real lesson of 2025 is not that renewable energy is underperforming. On the contrary, it is expanding with remarkable speed. The lesson is that the energy transition now depends on whether power systems, investment flows and public policy can move as fast as renewable technology already does. (irena.org)

by EigoBoxAI
作成:2026/04/22 03:01
レベル:上級 (語彙目安:6000〜8000語)

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