30 July 2025, London – RES has published its Global Sustainability Report – Power for Good, highlighting a year of transformative growth, strengthened climate impact and global expansion for the world’s largest independent renewable energy company. The report details RES’ performance across environmental, social and governance (ESG) priorities, including its…
Services
Consultancy and advisory services
Providing specialist consultancy and advisory services throughout the full project lifecycle across wind, solar and energy storage.
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Enhancing the performance of your projects
Our global team of experts brings specialist knowledge and hands-on skills to support your project requirements, helping to manage any opportunities and challenges that can develop over the course of an asset’s lifetime.
With a broad range of expertise and experience, we offer a diverse array of services. Whether your asset requires support beyond the scope of day-to-day asset management or O&M, we can deliver it in-house with unparalleled excellence.
Why RES?
The flexibility and broad range of skills within the team allows us to take on a variety of projects covering the needs of asset owners, ensuring the success of your project.
Global reach
Currently operating in 24 countries giving you the power of our global team coupled with local market knowledge.
Technology expertise
Extensive experience in providing consultancy and advisory services across wind, solar and energy storage.
Decades of experience
Building and delivering innovative and tailor-made solutions that work for you.
Quality
Our strong reputation of quality is thanks to our people’s expertise and innovative solutions - ensuring return on investment for customers.
Health and safety
We prioritise health and safety to deliver best-in-class performance, everyone going home safe every day governs our approach.
Comprehensive services
Alongside consultancy and advisory services, we offer development, construction, asset management, and operations and maintenance, all supported by our innovative digital solutions.
What we offer
We offer technical, financial and commercial support throughout the whole project lifecycle. We collaborate closely with our in-house specialists across various disciplines, including engineering, technical, construction, ESG, grid, financial, and contract-related matters.
- End of warranty inspections
- Civil maintenance & inspection support
- Electrical/HV maintenance & inspection support
- OFGEM audit support
- Notices of defects – issue & resolve
- Warranty claim support
- New site onboarding
- CDM services (UK & Ireland)
- Asset registers
- Site visits and inspections
- Feasibility studies
- Owners engineer/construction monitoring
- PAC and FAC reviews (solar PV)
- Technical due diligence
- ‘Buy side’ and ‘sell side’ support – hosting of data rooms etc.
- Equipment technical assessment
- Plant performance reviews
- Optimisation/upgrade assessments
- Quality & compliance including ISO 55001 accreditation, supporting ISO audits, risk register management, site access management & control
- ESG consultancy including review and delivering ESG reports, support customers on ESG benchmarking tools (GRESB etc), ESG reporting templates and processes
- General grid issues on operational assets
- Manage participation in grid ancillary (flex) services on operational assets
Latest Resources
Learn more about our projects.
Enhancing habitats across the projects we support
We are committed to respecting and protecting the natural, cultural and historical heritage of the environments in which we work. Providing services for renewable assets across 1,300 sites in 24 countries, we ensure compliance with local legislation and ESG disclosures, as well as following best practices with our global approach. …
Driving transparency in wind energy: open-source solutions for enhanced asset performance
By Alex Clerc, Senior Controls Engineer At RES, we are committed to driving innovation in renewable energy, and digital solutions are central to unlocking more energy from existing wind farms. Upgrading turbines is one of the most effective ways to increase output from existing infrastructure, helping deliver more clean energy,…