ELICAN focused on self-installing telescopic substructures with gravity-based foundations; PROMOTION addressed offshore grid infrastructure in the North Sea.
ADWEN OFFSHORE S.L.
Spanish offshore wind company contributing to EU projects on HVDC transmission, self-installing foundations, and IoT-based turbine maintenance.
Their core work
Adwen Offshore is a Spain-based offshore wind energy company that contributed to EU innovation projects spanning the full offshore wind value chain — from turbine substructures and foundations to grid transmission and operations & maintenance. Their project portfolio shows involvement in self-installing offshore wind foundations (ELICAN), meshed HVDC transmission networks for North Sea wind farms (PROMOTION), and IoT-based condition monitoring for reducing offshore wind operating costs (ROMEO). As a participant in large consortia rather than a project leader, their role appears to have been that of an industry partner providing practical offshore wind expertise to research-driven collaborations.
What they specialise in
PROMOTION targeted meshed HVDC grids including diode rectifier converters, circuit breakers, and protection systems for offshore wind power evacuation.
ROMEO developed O&M management platforms and IoT-based condition monitoring systems to reduce the levelized cost of offshore wind energy.
All three projects — PROMOTION (transmission), ELICAN (craneless installation), and ROMEO (O&M optimization) — targeted different aspects of offshore wind cost reduction.
How they've shifted over time
Adwen's early H2020 involvement (2016) centred on heavy electrical infrastructure — HVDC transmission networks, grid regulation, and power electronics for meshed offshore grids in the North Sea. Their later projects shifted toward physical structures and operational efficiency: self-installing foundations that eliminate the need for costly crane vessels (ELICAN) and IoT-driven condition monitoring to optimize maintenance (ROMEO). This progression suggests a move from grid-side engineering toward turbine-side cost reduction and operational intelligence.
Their trajectory pointed toward reducing offshore wind operational costs through smarter installation methods and predictive maintenance, though their H2020 activity window was short (2016-2017 start dates) and no newer projects appear.
How they like to work
Adwen participated exclusively as a consortium partner, never leading a project. With 70 unique partners across 13 countries in just 3 projects, they operated within very large, multi-national Innovation Action consortia typical of major EU energy infrastructure programmes. This profile suggests an industry contributor valued for practical offshore wind expertise rather than a research driver setting the agenda.
Despite only 3 projects, Adwen built a broad network of 70 partners across 13 countries — a direct result of joining large-scale Innovation Actions in the offshore energy sector. Their geographic footprint leans toward North Sea and Northern European energy markets.
What sets them apart
Adwen's distinguishing feature is breadth across the offshore wind value chain: they touched transmission (HVDC grids), installation (self-installing foundations), and operations (IoT condition monitoring) — all within Innovation Actions aimed at cost reduction. For consortium builders, this cross-cutting perspective on offshore wind economics was their key asset. However, potential partners should note that Adwen's H2020 activity appears concentrated in 2016-2017, and the company's current operational status should be verified before engagement.
Highlights from their portfolio
- PROMOTIONMajor multi-partner effort on meshed HVDC offshore grids in the North Sea — the largest consortium Adwen joined, addressing a critical bottleneck for scaling offshore wind.
- ELICANDeveloped a prototype self-installing telescopic tower with gravity-based foundation, targeting craneless offshore wind installation — a direct attack on one of the sector's biggest cost drivers.
- ROMEOFocused on IoT and condition monitoring to reduce the levelized cost of offshore wind energy, representing Adwen's move into digital O&M tools.