By Priyanka Parekh, Senior Sales Engineer Battery costs have fallen sharply. According to BloombergNEF’s 2025 Energy Storage Systems Cost Survey, the global average turnkey BESS price dropped 31% year on year. The question worth asking is where the next opportunity for cost reduction sits. The answer, more often than not,…
Power for good
Every step of the way
From early development to construction, operations, and digital optimisation, we're with you every step of the way to bring projects to life and keep them performing.
Connect with us at CLEANPOWER 2026Our 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.
Learn more
Building and maintaining the electrical infrastructure needed for energy resilience and new power projects.
Learn more
Powering flexible ways to facilitate clean energy using our innovative energy storage solutions.
Learn more
Helping decarbonise industry by delivering green hydrogen plants fuelled by clean energy.
Learn more
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.
RES builds world’s largest internationally certified GWO Solar workforce
271 technicians trained or transitioned under the GWO Solar standards at RES’ facility in Albacete, Spain – with global rollout already under way across four further markets. Albacete, Spain – 18 May 2026 – RES, the world’s largest independent renewable energy company, has trained and certified 271 solar technicians under the…
Digital Blades: scaling global inspection capability
Earlier this year, our Digital Blades team completed more than 2,400 blade inspections in a single month across 20 countries. It is a result that reflects the ambition behind RES’ acquisition of Sulzer Schmid two years ago, combining their AI-driven 3DX™Platform with RES’ global O&M expertise to deliver faster, safer…
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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.
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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…