Cathelco ICCP system can be used to protect all types of offshore wind turbine foundations. They have many advantages in comparison with sacrificial anode systems including reduced capital costs.

Manageable from on-shore

One of the key advantages is that systems can be controlled and monitored from on-shore, avoiding the need to visit individual turbines to take readings.

Furthermore, the performance of the system is constantly monitored and the data recorded to provide a complete record of electrical potential and anode output.

Monopile Structures

Jacket Structures

Tripod Structures

Sea bed penetration

ICCP systems have a much higher driving voltage than sacrificial anodes enabling the current to reach a depth of 5 metres below the seabed (mudline). This extends corrosion protection to the buried foundations of the structure and combats microbiological influenced corrosion (MIC).


The current emitting elements of the anodes are made from mixed metal oxide on a tubular titanium substrate. They are fitted using self torquing snap nuts and are rated to a depth of 140 metres.

Zinc reference electrodes

The element of the reference electrode is made from high purity zinc to provide a stable, highly accurate reading. Silver/silver chloride reference electrodes are available for use on monopole structures.

Digital modular control panels

Control panels supply an impressed current which provides the driving force ‘potential’ which ensures protection of the whole subsurface structure. This protects nodes and extends beneath the mudline.

  • Proven robust design
  • Low maintance cost
  • Control of corrosion by zones
  • Compact size
  • Local, hard wire or internet interfaces