Thursday 2 July 2026 | London, UK RES is proud to be a sponsor of Energy Insurance London 2026, the leading event for the energy insurance sector. The conference brings together all the key players in energy insurance, including finance professionals, investors and industry leaders, to discuss, debate and share…
Operations & Maintenance
Offshore Wind O&M
With over 30 years of offshore experience, we have a deep understanding of the technical, commercial and operational challenges presented by offshore wind.
High degree of flexibility, higher safety standards
Our years of experience mean that we are experts in keeping sight of the bigger picture, carefully balancing cost, risk and opportunity to find the optimum solution for your project.
Our skilled engineers go beyond just boots on the ground, focusing on delivering competitive and comprehensive services to boost revenue and decrease costs.
Why RES?
RES has been involved in the development and construction of offshore wind projects since the sector began and as such has a deep understanding of the engineering, technical and operational challenges involved in offshore wind.
Exemplary health and safety performance
A secure work environment that puts people first, delivering best-in-class health and safety performance.
Multiple scopes of work
We off a range of offshore services including long term O&M packages as well as standalone services.
24/7/365 support
By utilising our 24/7 state-of-the-art control centre we provide balance of plant (BoP) services, including transmission services for the associated offshore transmission owner (OFTO) assets in the UK&I and France.
Analysis and optimisation
Using in-house developed diagnostic tools, we analyse all sources of data to increase performance and maintain asset value.
HV Services
We implement and operate our own safety rules which is supplemented by our in-house 24/7 control centre, ensuring statutory compliance and the highest levels of safety.
What we offer
We provide long-term O&M packages as well as standalone services. We will work with you to determine the best option to improve the performance and maximise the value of your renewable assets.
- OFTO/Transmission services
- Balance of Plant (BoP) / foundation inspections
- HV maintenance
- Statutory inspections
- Subsea inspections & surveys
- Met mast maintenance
- Data management
- Vessels and remotely operated vehicle (ROVs)
- Marine coordination and weather forecasting
- Total blade support (OWOP)
- Cranes O&M services (OWOP)
- Additional skilled technicians supply (OWOP)
Offshore Wind O&M Partnership
RES is member of the Offshore Wind O&M Partnership, a collective of complementary service companies all based in the UK, together supplying a complete package of quality O&M services. OWOP’s vision is to maximise asset performance and minimise unnecessary shutdowns through collaborative, agile working and the deep experience of partner companies. Bringing a new approach to offshore wind O&M, the OWOP mission is to remove operational headaches for customers by providing a one-stop-shop to O&M service contracting.
25+GW
of offshore renewable projects supported (O&M and/or consultancy)
7 Offshore
Transmission assets across UK and France
5 Met Masts
fully wrapped
Latest Resources
Learn more about our projects.
Global Offshore Wind 2026
From June 16-17, RES will be attending Global Offshore Wind, organised by RenewableUK, is the UK’s largest meeting place for the global offshore wind industry. Our development, support services and digital teams will be in attendance. Come and visit our stand and find out more about how we can support…
Optivert – A Novel Method for Inverter Optimization
Inverter overheating is widely recognised across the solar industry, yet most sites continue to rely on OEM curtailment logic that is either too conservative or poorly configured — sacrificing yield while accelerating component wear. This presentation introduces Optivert, RES’ novel inverter temperature management system, and shares results from field trials…