Houston, Texas – 26 May 2026 – RES, the world’s largest independent renewable energy company, has opened its flagship warehouse facility in Houston, Texas, providing the operational infrastructure to support its growing U.S. solar and battery energy storage systems (BESS) operations and maintenance (O&M) business. With 27 years of U.S….
Solutions
Our passionate and experienced people deliver successful clean energy projects globally.
Technologies
Driving a clean energy future through state-of-the-art renewable technologies.
See all technologiesResources
Browse our latest resources, including company updates, customer stories, industry insights, and research reports.
See all resourcesCareers
Join a collaborative team of passionate individuals who engage in meaningful, stimulating, and world-changing work.
Learn moreAbout RES
We live our mission, celebrate the people making it happen and transform the way the world produces and consumes energy.
See about usOur offices
Like our business, we’re truly global – but proudly local. Find contact and location details for every RES office.
Contact us- Home
- Services
- Operations & maintenance
- Solar O&M
Operations & Maintenance
Solar PV O&M
We focus on delivering competitive and comprehensive services to maximise revenue, minimise cost and maintain asset value.
Contact the team
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 opens Houston warehouse to bolster supply-chain resilience as U.S. solar and storage demand hits record highs
The clean energy transition and energy security are the same imperative
By Eduardo Medina, CEO of RES Behind every wind farm or solar installation in America are real jobs in steel mills, glass plants and electrical manufacturing facilities, in communities that have built their livelihoods around the clean energy industry. According to the American Clean Power Association, renewables supported 1.4 million…
Expofimer 2026
From June 10-11, RES will be attending EXPOFIMER. EXPOFIMER is the leading international event dedicated to the operation and maintenance (O&M) and asset management of renewable energy assets, bringing together technology providers, service companies, operators and industry experts. If you’re attending, come and meet our team to find out how…
Contact us
Speak to a member of the team today