London, UK – 23 March 2026 –RES has secured an asset management mandate from Nala Renewables covering 217 MW of operational solar and battery energy storage assets across Lithuania, Belgium and Greece, reinforcing the company’s growing role in supporting renewable energy investors with integrated operational services across Europe. Under the…
Power for good
Powering positive change
By ensuring all areas of our business make a positive contribution to the environment, society, and industry.
Read our Power for Good reportOur vision
Our vision is a future where everyone has access to affordable zero carbon energy.
29GW
project portfolio
+40 years'
experience in clean energy
45GW
operational assets supported
What we do
Our passionate and experienced people transform the way energy is generated, stored, shared and used across the world.
Development
Building meaningful relationships with local stakeholders to develop successful projects.
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Construction
Using cutting-edge technology and people expertise to deliver high quality construction projects.
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Services
Our expert team fully optimise and maintain your assets, maximising value and protecting revenue.
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Digital solutions
Using AI and machine learning to find new ways to drive positive outcomes.
Learn moreTechnologies
Underpinned by innovation and a drive to make the world a better place.
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 develop, build and operate 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 delivering green hydrogen plants fuelled by clean energy.
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Hydro
Using our global experience to maximise the performance and ensure the longevity of our customers assets.
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Delivering both onshore and offshore wind projects, carefully balancing safety, cost, risk, and opportunity to drive best-in-class results.
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Using our wealth of industry experience to develop, build and operate high performing utility scale solar farms.
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Building and maintaining the electrical infrastructure needed for energy resilience and new power projects.
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Powering flexible ways to facilitate clean energy using our innovative energy storage solutions.
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Helping decarbonise industry by delivering green hydrogen plants fuelled by clean energy.
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Using our global experience to maximise the performance and ensure the longevity of our customers assets.
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Latest resources
Browse our latest updates.
Energy Storage USA 2026
From 24-25 March 2026, we will be attending Energy Storage Summit USA 2026, taking place in Dallas, Texas, United States. The summit brings together developers, utilities, investors and technology providers from across the energy storage industry to discuss the growth of battery energy storage systems (BESS) and the role of…
Scaling below the surface: Turbine foundations for the next generation of onshore wind
As onshore wind turbines continue to grow taller and more powerful, much of the industry’s focus is on what’s visible above ground – towers, blades and energy output. Less obvious but equally critical are the challenges below the surface, where foundations must carry heavier loads, adapt to complex site conditions,…
WE’RE PROUD TO WORK WITH
Sustainability
Sustainability
Defines how we develop our projects, and how we construct, manage, and optimise our customer assets. We believe value creation and enhanced business performance can follow from meeting the world’s critical social and environmental needs.
Learn moreCareers
Be part of something bigger. Join an inclusive organisation with a shared purpose to transform clean energy.
Experienced careers
See how your talent and skills could impact the future of clean energy at RES.
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Transitioning to clean energy
Translate the skills and experience you’ve gained in other vocations into a new career in clean energy.
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Early careers
It’s an exciting time to start your career. See what opportunities we have for graduates, apprentices and interns.
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People Stories
Aaron and Shay Devine – #TeamRenewables
Many of our colleagues at RES say the team is like a family, but none more so than brothers Aaron and Shay Devine. To keep turbines turning, the two lived and worked together in Donegal, Ireland, during lockdown to keep our projects running successfully. In this month’s #TeamRenewables we speak…
Bola Sangosanya – #TeamRenewables
The energy industry across the world has developed significantly over the last decade and with it brings a wealth of transferable skills and an evolving workforce. Our team at RES is made up of people from a range of backgrounds and skill sets, bringing new ideas, ways of working and…
Leana Birdsell #TeamRenewables
Behind the success of our solar, wind, T&D, and storage endeavors stand passionate and dedicated employees. At RES, our people find strength in our differences and build successful teams and projects because of them. In this #TeamRenewables, we sat down with Talent Acquisition Manager, Leana Birdsell to learn more about…