Operation and Maintenance (O&M)

Comprehensive O&M services from a single source

Whether onshore or offshore – for wind energy the avoidance of downtimes through complete monitoring, high flexibility and reaction speed in troubleshooting is decisive. As a full-service provider, REETEC combines cost efficiency across all stages of the value chain with local market knowledge and technical expertise – including prototype know-how.

The merger of REETEC and OWS Off-Shore Wind Solutions has created a manufacturer-independent competence centre for onshore and offshore services: the Offshore Service Centre in Emden offers both cost-efficient full maintenance packages and modular solutions – e.g. for major component replacement, repair and retrofit measures. Our customers include manufacturers as well as operators and owners.

On the safe side with REETEC – also in the future

In addition, the technological development leaps in wind turbines are taking place in ever shorter periods of time, which, in addition to classic O&M services, will also increase the need for retrofit measures for plant optimisation. Again, we are your competent partner here – and as usual, everything from a single source.

The Offshore Service Centre in Emden

  • Own quay with 450-ton crane system and corresponding SPMT for heavy transports on the factory premises
  • Around 30,000 m² of hall space in which rotor blades up to a length of 70 m and complete nacelles can be repaired
  • Generous storage areas, e.g. for major components
  • Modern 24/7 control room with sea surveillance, including 2nd level engineering support
  • Own railway connection and very good truck access
  • Access to a jack-up ship with 500-ton main crane
  • Direct connection to the Emden outer harbour
  • Professional logistics services from A-Z, e.g. in connection with ship transactions and customs matters
  • Technology and engineering for various special topics, both onshore and offshore

With a service vehicle on land or an OSV at sea – our services

  • Operation management with 24/7 control room and 2nd level engineering – on request with full redundancy through several European control rooms. In addition, we also take over:
    • Protection and safety concept (German: SchuSiKo), including access control / work permitting
    • Communication with the relevant authorities
    • Coordination and planning of expert inspections
  • Classic semi- and annual maintenance for wind turbines according to manufacturer's specifications or optimised – based on the experience of the EDF Renewables Group with more than 12.3 GW wind power in the O&M sector worldwide
  • Full maintenance and service contracts with a comprehensive scope of services
  • Recurring inspections
  • Rotor blade inspection – inside and outside – with service platform, rope access technology or automatic, high-resolution still or video camera
  • Gearbox inspections
  • Performance appraisals and optimisation concepts
  • Major component repairs – complete nacelles, hubs and blades can be handled here
  • Repair of mechanical and electronic spare parts
  • Supply chain management with inventory management
  • Maintenance of transformers and substations

Our strong points – your added value at a glance

We offer comprehensive O&M services from a single source for the entire lifespan of your wind turbine generators. The unique infrastructure of our competence centre in Emden opens up a wide operating radius in the North Sea thanks to its location at the mouth of the river Ems near the Dutch border (offshore) and boasts a spacious repair workshop for complete wind turbines and major components (onshore).

We are part of the EDF Renewables Group who focuses on O&M as a key part of its work as well. This global network offers us the benefit of knowledge transfer and best practice exchange. Further details regarding our mutual service portfolio can be found here.


Jürgen Dralle
+49 (0)421 399 87 444

Manfred Berthel
+49 (0)421 399 87 21

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