Renewable Energy Systems Limited
Kings Langley, Hertfordshire, United Kingdom
About
RES (Renewable Energy Systems) is a UK-based renewable energy company with more than 40 years of experience.
It develops, builds and operates wind, solar, energy storage, green hydrogen, hydro, and transmission and distribution projects, and offers asset management, operations and maintenance, and consultancy services. It reports a 29 GW project portfolio and 45 GW of operational assets supported, and operates in over 24 countries.
From the Battery Report
Battery Report 2025 · chapterApplications: Stationary Energy StorageVolta Foundation's annual report on this part of the battery industry.Supply Chain Segments
Location Info
- HQ
- Kings Langley, Hertfordshire, United Kingdom
North America (2)
- Office
- Calgary, Alberta, Canada
- Office
- Montreal, Quebec, Canada
Latin America (1)
- Office
- Santiago de Chile, Chile
Europe (1)
- Office
- Bellshill, Scotland, United Kingdom
Sources
Description: countries
- res-group.com · Company site · checked Oct 2026“RES operates in over 24 countries, delivering services across the full renewable energy project lifecycle.”
Description: scale
- res-group.com · Company site · checked Oct 2026“29GW project portfolio +40 years' experience in clean energy 45GW operational assets supported”
Description: technologies
- res-group.com · Company site · checked Oct 2026“Technologies Wind Solar Transmission & distribution Energy storage Green hydrogen Hydro”
Quick Facts
- Founded
- 1981
- Team Size
- 51-200
- Funding
- Private
- Last Updated
- Oct 16, 2026
