For the first time in history, the world’s wind energy fleet has crossed the one terawatt threshold — enough installed capacity to power hundreds of millions of homes — marking a turning point in how humanity generates electricity. The milestone, confirmed by energy research firm Wood Mackenzie, caps more than four decades of growth in an industry that started with small turbines on Danish hillsides and now spans every inhabited continent.
At a glance
- Wind energy capacity: Global installed wind power reached 1 terawatt by the end of 2023 C.E., according to Wood Mackenzie’s latest market outlook.
- Offshore wind growth: The offshore sector is projected to grow sevenfold by 2032 C.E., expanding into 30 countries and reaching a 26% share of total wind capacity.
- Next terawatt: After 40-plus years to reach the first terawatt, analysts expect the second terawatt to arrive within just eight years — a dramatic acceleration.
Why one terawatt matters
One terawatt is an almost incomprehensible number. It equals one trillion watts of generating capacity — roughly equal to the combined output of about 500 large nuclear power plants running simultaneously.
The wind industry reached this point through decades of incremental engineering, policy support, and falling costs. Turbines have grown taller and more powerful. Supply chains have matured. Governments from Germany to India to the United States have backed the sector with subsidies and mandates. The result is a technology that has moved from novelty to cornerstone of the global energy system.
“After needing more than 40 years to reach one TW of installations, the wind industry will reach the next TW of installations within the next eight years,” said Luke Lewandowski, Wood Mackenzie’s Research Director — a statement that captures just how sharply the pace of growth is accelerating.
China, Europe, and the United States lead the way
No country has added more wind capacity than China. Over the ten-year outlook, annual additions in China are expected to average 80 gigawatts and account for roughly half of all new capacity globally. After a dip in 2022 C.E. caused partly by pandemic-related lockdowns that delayed grid connections, China’s market rebounded strongly in 2023 C.E., with developers nearly doubling annual capacity year over year.
Europe is also moving fast. More than 343 gigawatts of new onshore and offshore capacity are projected across the continent through 2032 C.E., driven in part by the energy security concerns that intensified following the 2022 C.E. invasion of Ukraine. Several European countries have since raised their renewable capacity targets, and offshore wind is expected to account for 39% of new European capacity over the decade.
In the United States, the picture is more complicated. Near-term installations have been slowed by uncertainty over tax credit guidance from the U.S. Treasury. But with policy clarity and investment in transmission infrastructure, Wood Mackenzie projects U.S. additions will average 20 gigawatts per year from 2026 C.E. through 2032 C.E. — a significant ramp-up from where the market stands today.
Offshore wind takes center stage
The most dramatic growth in the coming decade will happen at sea. Wood Mackenzie’s outlook projects that the global offshore wind sector will grow sevenfold by 2032 C.E., expanding from a relatively small share of total capacity to 26%. Offshore turbines can be built larger, run longer, and generate more consistently than their onshore counterparts, making them increasingly attractive as technology costs fall.
Developers are expected to add offshore capacity in 30 countries over the decade. European nations and China dominate — accounting for 81% of offshore additions — but new markets are opening up. The International Energy Agency has described offshore wind as one of the most promising sources of clean energy for densely populated coastal regions, and investment is following that assessment.
Emerging markets join the expansion
The wind boom is not limited to wealthy nations. In the Middle East and Africa, green hydrogen demand is helping drive 72 gigawatts of projected wind capacity additions over the ten-year outlook. The region’s annual additions are expected to surpass 5 gigawatts in 2025 C.E. and grow at an average annual rate of 42% through 2032 C.E.
Eastern Europe and Central Asia are also seeing meaningful onshore growth. Countries like Uzbekistan, which had little wind infrastructure a decade ago, are now appearing in global capacity forecasts — a sign that the energy transition is genuinely broadening its geographic reach.
The International Renewable Energy Agency estimates that wind power, combined with solar, could supply the majority of the world’s electricity by mid-century if current growth trajectories continue. The one terawatt milestone is a meaningful waypoint on that path.
Progress alongside persistent challenges
The story is not without friction. Inflation and supply chain disruptions pushed more than 3 gigawatts of projects past their planned completion dates in 2022 C.E. Grid infrastructure in many countries still lags behind generation capacity, meaning new turbines sometimes sit idle waiting for transmission lines that haven’t been built. The U.S. Department of Energy has identified permitting bottlenecks and transmission constraints as among the most significant barriers to further wind deployment.
The benefits of wind expansion have also not been evenly distributed. Communities hosting large wind projects — including some Indigenous and rural communities — have sometimes raised concerns about land use, visual impact, and whether they share fairly in the economic gains. These questions will need ongoing attention as the industry scales toward its second terawatt.
Still, reaching one terawatt is a genuine achievement. The Global Wind Energy Council notes that wind now avoids billions of tonnes of carbon dioxide annually compared to fossil fuel alternatives. The numbers behind this milestone are as much a human story as a technical one — decades of engineers, policymakers, investors, and workers building something the world needed before most people believed it was possible.
Read more
For more on this story, see: Wood Mackenzie
For more from Good News for Humankind, see:
- Renewables now make up at least 49% of global power capacity
- Global suicide rate has fallen by 40% since 1995
- The Good News for Humankind archive on renewable energy
About this article
- 🤖 This article is AI-generated, based on a framework created by Peter Schulte.
- 🌍 It aims to be inspirational but clear-eyed, accurate, and evidence-based, and grounded in care for the Earth, peace and belonging for all, and human evolution.
- 💬 Leave your notes and suggestions in the comments below — I will do my best to review and implement where appropriate.
- ✉️ One verified piece of good news, one insight from Antihero Project, every weekday morning. Subscribe free.
