Portuguese 
English 
Spanish 
4 min of reading 
0 comments 
The Jinping-I Dam in China Is the Highest in the World: At 305 Meters Tall, It Surpasses Three Gorges, Stores 7.7 Billion M³ of Water, and Challenges Engineering.
In the interior of China, between the gorges of the Yalong River, stands one of the most impressive engineering works ever built by humanity: the Jinping-I Dam. With 305 meters in height, it boasts the title of the highest dam in the world, surpassing the iconic Three Gorges Dam by nearly 30 meters, which is better known for being the largest in electricity generation capacity.
But while Three Gorges dominates headlines for its sheer size and installed power, Jinping-I commands respect for the technical challenge of raising a concrete wall in a remote canyon, facing colossal water pressures and unstable terrain amid the mountains of Sichuan province.
Dimensions That Challenge Imagination
The numbers of Jinping-I impress even the most experienced engineers:
-
Why was the Great Wall of China built? The truth that many are unaware of!
-
At 73.8 meters tall, the world’s tallest teapot-shaped building has 15 floors, ensures stability, and impresses with an internal space of 28,000 cubic meters.
-
Ambev has planted over 3 million trees and restored an area equivalent to the coastline from São Paulo to Natal, and the result after 15 years of silent investment has finally appeared for all of Brazil to see.
-
A new AI collar technology for cattle eliminates physical fences, creates virtual barriers, monitors animals 24/7, and detects changes in behavior and health.
- Height: 305 meters (30 meters taller than Three Gorges and taller than the Eiffel Tower without antennas).
- Length at the Top: 568 meters.
- Maximum Thickness: 131 meters.
- Volume of Concrete Used: over 7 million m³.
- Reservoir Capacity: 7.7 billion m³ of water.
- Installed Power: 3,600 MW (megawatts), enough to supply a metropolis the size of Shenzhen.
- Start of Operation: 2013.
This data places Jinping-I as a monument of modern engineering, rivaling in impact with historic dams like Itaipu (Brazil/Paraguay) and Hoover Dam (USA).
The Challenge of Raising the Highest Dam
Building Jinping-I was considered one of the greatest civil engineering challenges of the 21st century.
The project began in the early 2000s, in a mountainous region marked by unstable geology, seismic faults, and narrow gorges.
The engineers needed to develop unprecedented methods to deal with hydrostatic pressures greater than any other dam in the world. The extreme height meant that the water pressure at the foot of the dam would be immense, equivalent to thousands of cargo trucks piled on top of each square meter of concrete.
Moreover, the project required diversion tunnels 17 km long, dug to allow control of the river during construction.
Comparisons With Other Giants
To understand the grandeur of Jinping-I, it is worthwhile to compare it with other famous dams:
- Three Gorges (China): 185 meters tall and 22,500 MW capacity — the largest in the world in electricity generation, but nearly 120 meters shorter.
- Itaipu (Brazil/Paraguay): 196 meters tall and 14,000 MW — the largest energy generator until Three Gorges was inaugurated.
- Hoover Dam (USA): 221 meters tall and 2,080 MW — an icon of 20th-century engineering.
- Jinping-I (China): 305 meters tall, 3,600 MW — the highest in the world.
Thus, Jinping-I is not just a functional dam: it is a symbol of China’s pursuit of surpassing infrastructure records and consolidating its power in colossal works.
The Energy Importance of Jinping-I
With 3,600 MW of installed power, Jinping-I is not the largest in the world in electricity generation — a position held by Three Gorges — but it is a strategic plant for China.
It supplies millions of people in Sichuan province and also contributes to balancing the Chinese energy matrix, which seeks to reduce dependence on coal.
In addition, Jinping-I is a key piece in an even larger hydropower complex, which includes other dams on the Yalong River, totaling over 8,000 MW in capacity.
Social and Environmental Impacts
Like all mega-works, Jinping-I also generated controversy. The construction required the displacement of thousands of people who lived in villages along the Yalong River.
Environmentalists warned of the risk of biodiversity loss and impacts on aquatic species. Moreover, the region is known for its seismic instability, raising concerns about the safety of the structure in the event of major earthquakes.
The engineers, however, designed the dam to withstand extreme events, reinforcing its base and developing pressure relief systems that can release millions of liters of water in a matter of seconds.
The Dam as a Symbol of Power
More than an engineering work, Jinping-I is also a political and economic symbol.
For China, building the highest dam in the world reinforces the narrative that the country can overcome any technical challenge. It is also a demonstration of strength in infrastructure, used to project global power.
Just like the Long March 9 rocket or the Hong Kong–Zhuhai–Macau Bridge, Jinping-I shows how China uses megaprojects as showcases of its industrial and technological capacity.
The Future of Mega Dams
Experts point out that Jinping-I may be one of the last dams of this size to be built in the world.
This is because the environmental and social impacts of large reservoirs have led countries to seek alternatives such as solar, wind, and even nuclear energy.
Still, while new sources do not completely replace the potential of hydropower, projects like Jinping-I remain pillars of energy supply.
A Milestone of Modern Engineering
Built in one of the most challenging regions on the planet, the Jinping-I Dam is proof that human engineering can face mountains, rivers, and colossal pressures.
With its 305 meters in height, it is not only the highest in the world: it is also a portrait of an era in which countries compete to build not only functional infrastructures but also symbols of national greatness.
-
-
-
4 pessoas reagiram a isso.