20 August 2025, London – RES, the world’s largest independent renewable energy company, is taking a leading role in shaping global safety standards for the solar sector. Dennis Thorlund Elsberg, RES’ Vice President of Global HSQE Services, has been appointed Chair of the new Global Solar Committee of the Global Wind…
Services
Consultancy and advisory services
Providing specialist consultancy and advisory services throughout the full project lifecycle across wind, solar and energy storage.
Contact the team
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.
RES secures flagship UK battery storage O&M contract with Elements Green
14 August 2025, Hertfordshire – RES has secured a major operations and maintenance (O&M) contract for the Staythorpe Battery Energy Storage System (BESS) in Nottinghamshire, United Kingdom. The contract was awarded by Elements Green, a leading European clean tech developer, marking a significant milestone in RES’ continued expansion in the…
Electricity Transformation Canada (ETC) 2025
RES will be celebrating its 20th anniversary at ETC 2025 in Toronto this October. As the flagship event powered by the Canadian Renewable Energy Association (CanREA), in collaboration with partners RE+ Events and the Italian German Exhibition Group, ETC inspires dialogue, innovation and growth within Canada’s clean energy industry. We’re…