Our offices

Like our business, we’re truly global – but proudly local. Find contact and location details for every RES office.

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Support services

Operations and maintenance

Highly skilled engineers and technical specialists provide first-class operations and maintenance support.

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Minimise cost, maximise production

By accurately assessing the condition of your asset, we can optimise performance through targeted maintenance.

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?

Our people-first approach and decades of experience has led to the development of robust systems of work, ensuring your assets perform safely and reliably.

Solutions are tailored to meet your specific needs, whether that’s long-term support or standalone services for individual projects.

Exemplary health and safety performance

A secure work environment that puts people first, delivering best-in-class health and safety performance.

24/7 support

Our operational control centre is always accessible, giving you continuous support and monitoring.

Analysis and optimisation

Using in-house developed diagnostic tools, we analyse all sources of data to increase performance and maintain asset value.

Technology expertise

Extensive experience in wind, solar, energy storage and HV services.

What we offer

With specialists in SCADA, condition monitoring, performance analysis, system design and more, you can trust RES to safely manage your assets.

  • Scheduled maintenance
  • Inspection
  • HV and OFTO services
  • Balance of Plant (offshore, CCTV, HVAC, grounds, security)
  • Offshore services, above or below water
  • Spares management
  • 24/7 remote monitoring and fault resets
  • Unscheduled maintenance

  • Performance warranties
  • Main component replacement
  • Asset upgrades and retrofit campaigns
  • Condition monitoring and SCADA analysis
  • Life extension, repowering, and decommissioning
  • Power performance analysis and optimisation
  • Drone thermography
  • Anti-PID

HV Services

Our specialist HV service engineers provide a broad range of operation & maintenance, design, installation consultancy, testing and commissioning services for renewable energy projects.

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Our technologies

Providing the transformation and innovation needed to deliver a clean energy future.

Wind

Delivering both onshore and offshore wind projects, carefully balancing safety, cost, risk, and opportunity to drive best-in-class results.

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Solar

Using our wealth of industry experience to build high performing utility scale solar farms.

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Transmission & distribution

Building and maintaining the electrical infrastructure needed for energy resilience and new power projects.

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Energy Storage

Powering flexible ways to facilitate clean energy using our innovative energy storage solutions.

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Green hydrogen

Helping decarbonise industry by developing and operating green hydrogen plants fuelled by clean energy.

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Our technologies

Providing the transformation and innovation needed to deliver a clean energy future.

Wind

Delivering both onshore and offshore wind projects, carefully balancing safety, cost, risk, and opportunity to drive best-in-class results.

Learn more

Solar

Using our wealth of industry experience to build high performing utility scale solar farms.

Learn more

Transmission & distribution

Building and maintaining the electrical infrastructure needed for energy resilience and new power projects.

Learn more

Energy Storage

Powering flexible ways to facilitate clean energy using our innovative energy storage solutions.

Learn more

Green hydrogen

Helping decarbonise industry by developing and operating green hydrogen plants fuelled by clean energy.

Learn more

Wind

Delivering both onshore and offshore wind projects, carefully balancing safety, cost, risk, and opportunity to drive best-in-class results.

Learn more

Solar

Using our wealth of industry experience to build high performing utility scale solar farms.

Learn more

Transmission & distribution

Building and maintaining the electrical infrastructure needed for energy resilience and new power projects.

Learn more

Energy Storage

Powering flexible ways to facilitate clean energy using our innovative energy storage solutions.

Learn more

Green hydrogen

Helping decarbonise industry by developing and operating green hydrogen plants fuelled by clean energy.

Learn more

Testimonial

As an O&M contractor, RES offers unrivalled performance. Our asset’s performance continues to exceed expectations and we benefit from exceptional service from the technical experts at RES.

Saadat Ullah, Technical Portfolio Manager

Foresight Group

Latest Resources

Learn more about our projects

Revamping and key component upgrade of four ground-mounted solar projects

Following a competitive tender, RES’ Solar Projects team, who oversee specialist O&M projects, were successful in securing a contract with The Renewables Infrastructure Group (TRIG) for the revamping and key component replacement on four operational solar parks across England. The projects, totalling 61.5MW, comprised of Parley Court (24.20MW) in Bournemouth,…

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How can we prepare for main component failure?

Main component failure is common in the wind industry. We explore how best to prepare in order to minimise failures and downtime.

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Offshore wind strategic alliance launched to offer complete O&M service package

The Offshore Wind O&M Partnership will be a trusted partner for asset owners offering highly coordinated offshore O&M services under one contract. RES, GEV Wind Power, Outreach Offshore and Rix Renewables, have launched the Offshore Wind O&M Partnership (OWOP) – a collective of complementary service companies based in the UK…

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