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美国地质调查局的卫星图像显示，中国在库布齐沙漠地区迅速扩张太阳能发电场。这项建设是中国旨在为北京供电的“太阳能长城”计划的一部分。尽管中国能源结构仍以化石燃料为主，但可再生能源的价值日益凸显。截至2024年6月，中国太阳能发电装机容量位居世界第一，占全球总量的51%。太阳能作为可再生能源，在降低能源成本方面具有重要作用，其经济效益日益显著。库布齐沙漠的太阳能扩张正是这一趋势的有力证明。
☀️中国在库布齐沙漠大规模建设太阳能发电场，旨在构建“太阳能长城”，为包括北京在内的地区提供电力，这一举措显示了中国在可再生能源领域的雄心。
📈卫星图像对比显示，从2017年到2024年，库布齐沙漠的太阳能发电场规模显著扩大，到2030年，该太阳能发电设施将达到250英里长、3英里宽，规模庞大。
🥇截至2024年6月，中国太阳能发电装机容量以386,875兆瓦位居世界首位，占全球总量的51%，远超排名第二的美国和第三的印度，表明中国在全球太阳能领域的领先地位。
🌱尽管中国能源结构仍以化石燃料为主，但太阳能等可再生能源因其可再生性和降低能源成本的潜力，正扮演着越来越重要的角色，成为能源转型的重要组成部分。
The sun's energy is plentiful. And China is capitalizing.
Images captured by two Earth-observing satellites, operated by the U.S. Geological Survey, revealed a rapid expansion of solar farms in a remote northern Chinese region, the Kubuqi Desert.
"The construction is part of China’s multiyear plan to build a 'solar great wall' designed to generate enough energy to power Beijing," writes NASA's Earth Observatory. (For reference, although all this energy won't directly power the Chinese capital, around 22 million people live in Beijing; that's over two and a half times the population of New York City.)
The two Landsat satellite images below show a section of the major solar expansion between 2017 and 2024. Use the slider tool to reveal the changes. (For a size and scale reference, the images below are about 10 kilometers, or 6.2 miles, across.)
Left: December 20, 2017 Credit: USGS / NASA
Right: December 8, 2024 Credit: USGS / NASA
And the solar complex is still growing. It will be 250 miles long and 3 miles wide by 2030, according to NASA.
Though China's energy mix is still dominated by fossil fuels — coal, oil, and gas comprised 87 percent of its energy supply as of 2022 — the nation clearly sees value in expanding renewable energy.
"As of June 2024, China led the world in operating solar farm capacity with 386,875 megawatts, representing about 51 percent of the global total, according to Global Energy Monitor’s Global Solar Power Tracker," NASA explained. "The United States ranks second with 79,364 megawatts (11 percent), followed by India with 53,114 megawatts (7 percent)."
Energy experts say that solar energy, like wind, is an important part of an energy supply, as they're renewable and have been shown to reduce energy costs. Fossil fuels, of course, still play a prominent role in most states' energy mix today.
But the economics of solar are clearly there. The proof, via U.S. satellites, is in the Kubuqi Desert.
