Fields of Activity
The infinite power of nature
transforms into the energy of the future
Energy Storage Systems
Subsidiaries
reap battery
It started its operations to provide one-stop research and development, design and engineering, procurement and production, operation and maintenance services in energy storage systems.
reyenergy
REY Enerji was established in the UK as a joint venture with the UK-based wind turbine manufacturer and small-scale renewable system manufacturer Ryse Energy, and provides EPC services in the UK and UK-financed overseas renewable energy projects.
MİKROHES
It operates to convert the untapped energy in rivers with low fall and/or flow rates into electrical energy without disturbing the ecological balance.
DEFIC Globe
Developing comprehensive renewable energy projects on a global scale, providing access to financial resources and undertaking turnkey construction of projects, it offers investors ready projects with licenses.
GRID Technology
It was established in Azerbaijan to expand our services and solutions for the industrial sectors in Azerbaijan and other Commonwealth of Independent States (CIS). It offers customized solutions for both new and existing plants (from small-scale compact units to large-scale plants in major utility sectors).
hydrogen
Based on YEO’s long years of experience in the field of renewable energy, it operates in the fields of project development, planning, construction, operation, sales, integration and trade for all products and services related to ‘Green Hydrogen’. It is the first and only member of Dii’s MENA Hydrogen Alliance from Türkiye. As a member of the World Hydrogen Leaders Platform, it contributes to the improvement of the ecosystem, technological developments, and creation of collaborations.
marinergy
It offers turnkey integrated solutions including floating solar power generation plants, offshore wind power generation plants, and offshore substations and distribution networks.
ni-cat
It conducts artificial intelligence-supported research and development studies for the development of low-cost / high-performance, ultra-high density battery materials.
BrandIT
Since 2016, Brandit has been providing all hardware and software needs together and in harmony with each other in Industry 4.0 – Digital Transformation projects. From collecting data from production machines to predictive maintenance applications, from smart field equipment management to augmented reality, they offer support for end-to-end connected and instant data-based solutions.
ION MEMBRANES
Ion membranes develops and manufactures ion exchange membranes and separators for the green energy industry. Our solutions are used in batteries, electrolyzers, fuel cells, chlor-alkali plants, electrodialysis water treatment processes and other areas where an ionic range separation is necessary.
100s of projects
in more than
30 countries
Our energy
for a livable
world.
Our International Association Memberships
Digitalizition
Decarbonization
Decentralization
We have made a commitment to move forward in line with the United Nations’ “Sustainable Development Goals”.
We have made a commitment to move forward in line with the United Nations’ “Sustainable Development Goals”. We diligently follow and take responsibility for Articles 5, 6, 7, and 14.
Doing the right thing for the environment and the planet is more than one small decision – it’s billions of decisions. And realizing that real change starts with each of us and the choices we make every day.
Acting ethically and with integrity, respecting people, and caring for the planet have been at the center of our decisions. Because it is the right thing to do and it is also how we make an impact that matters to our people, clients, and society. And our business is all about progress and sustainability through energy efficiency!
We strive to balance operational efficiency with sustainable development. In our view, with rising energy prices and increasing scarcity of natural resources, it makes good business sense to pinpoint energy efficiencies from planning to production and operations.
Investor Relations
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