Føn Energy takes Baltic Power subsea O&M role

Føn Energy Services has secured an operations and maintenance contract for the 1.2GW Baltic Power offshore wind farm in Poland.

The agreement covers subsea assets at the project, including foundations and cables. Baltic Power is expected to use 76 offshore turbines rated at 15MW each, placing the project among the major offshore wind developments now shaping Poland’s electricity generation mix.

Although offshore wind projects are often described by turbine count and installed capacity, long-term availability depends heavily on the assets below the waterline. Foundations, inter-array cables, export cables, scour protection, cable burial depth, joints, terminations, and subsea access conditions all influence the output that can be delivered from an offshore site over its operating life.

Subsea operations and maintenance requires a mix of inspection planning, marine logistics, high-voltage electrical safety, remote sensing, repair capability, and weather-window management. Cable faults are particularly disruptive because detection, vessel mobilisation, recovery, jointing, testing, and reburial can extend outage durations, especially in harsh marine conditions.

Poland’s offshore wind sector is now moving from development ambition into the more difficult stages of construction and operation. Early-stage markets need planning, surveys, consent, grid studies, and supply-chain mobilisation. Operating projects need technicians, vessels, spares, inspection systems, cable specialists, high-voltage procedures, and long-term asset-management discipline.

The Baltic Sea is becoming an increasingly important offshore wind region, with Poland, Germany, Denmark, Sweden, Finland, and the Baltic states all connected to wider questions of generation capacity, grid transfer, and energy security. In that context, subsea O&M is no longer a peripheral service. It is a practical determinant of how reliably large offshore generation assets can feed national systems.

The European offshore grid is also becoming more complex. The development of hybrid offshore interconnector infrastructure shows how subsea cables are moving beyond simple wind-farm export routes and into architectures that combine cross-border trading, renewable connection, and system balancing. Baltic Power is a generation project rather than a hybrid link, but its subsea infrastructure sits inside the same strategic shift toward electrically integrated seas.

Larger turbine ratings raise the value of reliable balance-of-plant assets. A 15MW turbine concentrates more generation behind each unit than earlier offshore machines, while the connected cable systems and foundations carry a correspondingly important role in keeping capacity available. As turbines grow, downtime on a connected string or export route can remove substantial output from the system.

That concentration of risk changes the operational model. Offshore wind operators increasingly require inspection regimes that identify deterioration before faults develop, maintenance plans aligned with vessel availability, and contract structures that avoid slow interface management between turbine, foundation, cable, marine, and electrical specialists. The cost of delayed decisions can be measured in lost generation as well as repair expense.

Føn Energy Services’ role at Baltic Power reflects that maturing market. As European offshore wind capacity grows, more value will shift from project development into operations, reliability engineering, and lifecycle optimisation. The companies that can maintain subsea infrastructure efficiently will play a central role in turning installed capacity into dependable electricity supply.

For Poland, Baltic Power will contribute new low-carbon generation at significant scale. For the wider sector, the project reinforces a more basic truth of offshore power engineering: turbines may dominate the skyline, but subsea cables and foundations determine how much of that capacity reaches the grid.