Tension-leg platform
![A tension-leg platform (gray) under tow with seabed anchors (light gray) held up by cables (red) on left-hand side; platform with seabed anchors lowered and cables lightly tensioned on right-hand side](/Images/godic/202502/15/Floating_tension_leg_towed.svg1540.png")
![Tension leg platform (gray) free floating on left-hand side; structure is pulled by the tensioned cables (red) down towards the seabed anchors (light-gray) on right-hand side (very simplified, omitting details of temporary ballast transfers)](/Images/godic/202502/15/Floating_tension_leg_diagram.svg1540.png")
A tension-leg platform (TLP) or extended tension leg platform (ETLP) is a vertically moored floating structure normally used for the offshore production of oil or gas, and is particularly suited for water depths greater than 300 metres (about 1000 ft) and less than 1500 metres (about 4900 ft). Use of tension-leg platforms has also been proposed for wind turbines.