4 Trillion Watts: China's Power Grid Just Lapped the World

The rise from 57 GW in 1978, to 1000 GW in 2011, and now, 4000 GW in 2026 is just one indicator of the speed and scale of China's rise since it opened up its economy. China's National Energy Administration announced on June 25 that its installed power generation capacity has crossed 4 billion kilowatts — or 4,000 GW — a milestone its state energy authority describes as a global record with no precedent in energy history. To put that number in perspective: it exceeds the combined installed capacity of the United States, the European Union, India, Japan, and Russia. Solar power at 1260 GW, and Wind Energy at 660 GW have powered this rise in the last decade, especially the last jump of 1000 GW in just the past two years. The pace of accumulation is as arresting as the absolute figure. China crossed 1,000 GW in 2011, 2,000 GW in 2019, and 3,000 GW as recently as 2024. The jump from 3,000 GW to 4,000 GW took just two years. India, by comparison, has spent most of this decade celebrating every incremental hundred-gigawatt addition to a total grid that remains under 1,000 GW. Green Is Now the Majority The structural shift is just as indicative of China's dominance in Green energy manufacturing. In 2010, coal accounted for over 60% of China's installed base; non-fossil sources made up just 25%. By May 2026, that ratio has inverted: coal has fallen to 32% of the mix, while non-fossil energy — solar, wind, hydro, and nuclear combined — now accounts for 62% of installed capacity, with renewables alone at 61%. In 2025, renewable sources generated nearly 4 trillion kWh, or 38% of total electricity output. Wind and solar each crossed 1 trillion kWh in generation for the first time in the same year. The Xinhua report notes that one in every three units of electricity consumed in China now comes from renewables — a threshold that most developed economies are still working towards. The Infrastructure Behind the Scale What makes this transition function at this scale is a transmission network built to match it. China's ultra-high-voltage (UHV) grid — which operates at ±1,100 kV DC, higher than any comparable system — moves electricity from surplus renewable zones in the northwest and southwest to load centres in the east and south. The Zhundong–Wannan ±1,100 kV line and the Baihetan–Zhejiang ±800 kV line are among the world's most powerful point-to-point electricity arteries. The 15th Five-Year Plan targets a west-to-east transmission capacity of 420 GW. The grid also sits atop the world's largest pumped hydro and new-type storage fleet. Installed new energy storage reached 136 GW / 351 GWh by end-2025, a forty-fold increase over the previous five-year plan period. The Kashgar storage station in the Gobi — occupying 1,100 acres — can power over 3 million homes for four hours at full discharge. Of copurse, challenges exist. Grid congestion and renewable curtailment are becoming recurring issues, particularly in resource-rich western provinces where transmission capacity to demand centers lags behind the construction of solar and wind farms. What It Means for the Rest of the World China's wind and solar equipment exports already hold the top global position. Its perovskite solar cell technology hit 27.5% conversion efficiency — a world-leading figure — and its offshore wind turbines now ship at 20 MW-plus unit capacities. The country's hydrogen electrolyser manufacturing capacity and green ammonia pipeline (860 projects, 10 million tonnes/year by end-2025) are scaling at rates that most national hydrogen strategies have only put on paper. The 4,000 GW announcement is a state media headline, and the context is partly political. But the underlying data is verifiable and the trajectory is not contested. For energy analysts watching India's own 500 GW renewable target for 2030, China's pace offers both a benchmark and a caution: the gap in grid scale, storage deployment, and technology cost leadership is not closing quickly.