SCIENCE
Applied - Engineering
Largest Engineering Projects
This list features the estimated most expensive engineering projects - planned or completed - as of 2024.
RANK | PROJECT | LOCATION | COST | SIZE |
1 | NEOM City | Saudi Arabia | $500 billion | The planned area is 26,500 square kilometers and 170km long. The project strives to include 100% renewable energy, zero carbon emissions, sustainable water and food production through desalination, and vertical farming. |
2 | The Gulf Railway | Middle East | $250 billion | The Rail is expected to span more than 2,000 kilometres, and aims to enhance regional connectivity, boosting economic growth, and reducing carbon emissions through sustainable transport solutions. |
3 | Dholera Solar Power Plant | India | $169 billion | One of the biggest renewable solar power plants in the world, is the Dholera Solar Power Plant in Gujarat in India, with a surface area of 11 square kilometres and a 700 MW capacity. |
4 | International Space Station | Earth’s Orbit | $150 billion | The ISS has a surface area the size of a football field and weighs about 400 tonnes. |
5 | King Abdullah Economic City | Saudi Arabia | $100 billion | It will take around 20 years to build the City, which will house close to two million people. Technologies like smart grids, automation, and AI are being implemented. |
6 | Jubail II | Saudi Arabia | $80 billion | Jubail II will be the world’s largest civil engineering undertaking, being 6,200 hectares, this project will increase the size of the Jubail Industrial City. |
7 | Dubailand | United Arab Emirates | $64.3 billion | The Disneyland of the Middle East is a 107-square-mile plot located inland from Palm Jumeirah |
8 | South-North Water Transfer Project | China | $62 billion | The project will redirect 44.8 billion cubic metres of water annually to the urban areas in the drier north, |
9 | Al Maktoum International Airport | United Arab Emirates | $33 billion | Expected to be the biggest airport in the world, with a huge total area of 56 square kilometres, and a capacity of up to 255 million per year. |
10 | Madison Square Garden Sphere | Las Vegas, USA | $2.3 billion | The Sphere opened with a concert by the rock band U2, and since has provided entertainment for 20,000 guests at a time. |
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