London, UK – 04 November 2025 – RES, the world’s largest independent renewable energy company and service provider, has been ranked second in Wood Mackenzie’s Solar PV Operations & Maintenance (O&M) Technology Outlook 2025. Wood Mackenzie is a leading global energy research and consultancy firm, widely recognised for its in-depth…
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Operations & Maintenance
Solar PV O&M
We focus on delivering competitive and comprehensive services to maximise revenue, minimise cost and maintain asset value.
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Maximising performance and reliability
Monitoring projects 24/7 from our Control Centre, we deliver preventative and reactive O&M services and provide essential supervision for work on remote sites.
It is our complete understanding of components with effective 24/7 data capture and analysis that enables us to develop both long-term maintenance plans combined with quick response using skilled, locally based teams.
Why RES?
Our people-first approach and decades of experience has led to the development of robust systems of work, ensuring your solar PV assets perform safely and reliably.
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.
Spares management
Our novel and sophisticated parts management process helps your projects perform more efficiently and reduces downtime.
Technology expertise
Extensive multibrand experience across all of our technologies.
What we offer
Solutions are tailored to meet your specific needs, whether that’s long-term support or standalone services for individual projects.
- Preventative (scheduled maintenance, inspections, audits and asset health assessments)
- Corrective (unscheduled maintenance, performance warranties, major component replacement)
- HV services
- Asset upgrades and retrofit campaigns
- 24/7 remote monitoring
- Condition monitoring and SCADA analysis
- Supervision
- Decommissioning
- Parts supply / resale and repair
Latest Resources
Learn more about our projects.
RES maintains second place in Wood Mackenzie’s global solar O&M ranking and consolidates its position as the ISP with the widest geographical reach in the sector
Energyear Investment, Solar & Storage 2025
From 25-26 November, Energyear UK – Investment, solar and storage 2025 is a leading networking conference for the renewable energy sector, part of the broader Energyear Tour that takes place across Europe and Latin America. It provides a dynamic platform for influential figures and high-level decision-makers to connect, discuss challenges…
Green Power Sweden Summit 2025
Our team in the Nordics will be exhibiting at Green Power Sweden Summit 2025. This is the largest renewable energy event in the Nordics, featuring wind, storage and solar technologies, taking place on 13-14 October 2024 at the Stockholm Waterfront Congress Centre. Organised by Green Power Sweden, the conference will…
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