Cenergy Holdings’ companies provide turnkey solutions and services to a large number of clients in the energy, telecommunications and construction sectors. With significant experience implementing large-scale projects globally and a strong focus on customer satisfaction, the companies are considered to have a leading role in their respective sectors.







The increasing need for reliable and efficient energy demand is a key trend. Hellenic Cables contributes to that developing high value-added products and solutions. The Company has the experience to fully support and expand world’s energy transfer and distribution networks whilst shifting to green energy to tackle climate change. Our objective is to make our vision and ambitions a reality committing to the transition to a zero carbon economy through the appropriate technological solutions, i.e. specialized cables for electricity distribution from renewable sources as well as to island areas, drastically reducing the carbon footprint of these activities.

Hellenic Cables designs, manufactures and supplies a wide range of high and extra high voltage submarine and land cables, overhead conductors and turnkey installation services. The Company applies strict quality standards, certified systems and has a strong focus on R&D ensuring the high quality of products produced and the services provided as well as Company’s readiness and response to the constant changes of the market’s needs.

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Natural gas is often considered as the alternative to clean energy, producing around half the carbon dioxide (CO2) and just one tenth of the air pollutants of coal when burnt to generate electricity. It is abundant and versatile, helping to meet the growing demand for energy globally and able to partner with renewable energy sources.

For several years now, our focus is on gas transmission projects at a rate of more than 90% of its activity in the energy sector. © Noble Energy

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Today, wind energy represents a technologically mature, economically competitive and environmentally friendly energy choice. As an inexhaustible source of energy, which carries no any environmental burden, the wind energy industry is one of the world’s fastest growing energy technologies, especially in offshore floating wind parks.

Hellenic Cables’ products and cable solutions are an integral and critical element of the rapidly growing offshore wind farm sector that guarantees the safe and uninterrupted transfer of green energy production.

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Our goal is to contribute to the energy sector and have an impact on climate change by achieving net zero carbon emissions and developing innovative solutions that can bring the hydrogen age one step closer. Whether hydrogen is produced in offshore wind parks or in photovoltaic parks, modern solutions are needed to transport both electricity and hydrogen, to the natural gas network or to the consumption end point. Cenergy Holdings companies offer solutions for both cases.

At the forefront of technological innovation, our research and development in the field of hydrogen transportation, through existing or new energy networks, developing technology and new products will enable the clean transformation to a coal-free, clean energy economy. As a result, Corinth Pipeworks along with International energy infrastructure companies is leading the hydrogen era with the first high pressure gas pipeline network, certified to transport up to 100% hydrogen.

At the same time, we are one of the first companies, globally, to participate in the European Alliance for Pure Hydrogen (Hydrogen Alliance) as well as in Hydrogen Europe.

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Hydrogen Europe Industry

Cenergy Holdings actively supports the technological efforts and research in developing products and solutions that will bring the hydrogen era one step closer and help achieve a greener future.  In this context, Cenergy Holdings became a member of Hydrogen Europe Industry, the leading European organization that promotes hydrogen as a catalyst for a zero carbon- emissions society.

Hydrogen Alliance

Cenergy Holdings signed the declaration “European Hydrogen Alliance”, which is an integral part of its Sustainable Development Strategy, while at the same time, being in line with the Paris Agreement on climate change, sustainable development goals and the EU Green Deal.

This Alliance aims to an ambitious development of hydrogen technologies by 2030, linking hydrogen production from renewable and low carbon source, to industry demands, transportation, other industries, as well as hydrogen transportation and distribution.

Digitalisation is one of the global market trends and has brought about great changes in the field of telecommunications and data transmission. We embrace digitalization, offering top quality products and services that respond successfully to rapid changes and bring people together. Through our high-end telecom cables we make communication more efficient and faster than ever before allowing data in words, voice, audio, or video to be sent seamlessly anywhere in the world.


We produce telecom cables since 1962. Today, after more than 50 years of development and continuous investment, we manufacture a wide range of telecom cables in order to help providers achieve faster data, better performance, and several other high-level features. From copper and fibre optic telecommunication cables to submarine, underground or data transmission cables we link the world from end to end and contribute to the development of an effective and reliable communication.

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Cenergy Holdings companies offer a wide range of products for the construction sector and automotive industry. These range from structural elements and steel reinforcement systems for infrastructure projects, to a full range of cables, hollow sections, tubes and pilling applications.


Steel pipe segment

Corinth Pipeworks serve the steel construction market with its extensive range of structural pipes and hollow sections in square, rectangular and round shapes, used in architectural, industrial and infrastructure applications.

The structural tubes family of products set the standard in steel construction by providing high-strength and fine-grain steels. These steels are produced in a wide range of shapes and wall thicknesses and are suitable for very demanding highly-stressed steel structures.


Cables segment:

At Hellenic Cables, we are a reliable global partner for the construction industry and electrical wholesale supply with commitment to deliver top quality and long-lasting cable solutions. We have the ability to successfully respond to the most demanding and challenging projects immediately and reliably and according to customer requirements and project needs

We manufacture a variety of cables for a wide range of industrial applications, such as industrial automation, power generation, instrumentation cables, data cables, fibre optic cables, power distribution and substations

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The record-breaking project: Crete – Peloponnese, for IPTO

The longest (approx. 178 Km) and the deepest (up to 1000m) cable HVAC interconnection worldwide

Elia modular offshore grid (MOG) project

The first of its kind. Offshore grid connection being developed in the Belgian waters of the North Sea

The first submarine extra-high voltage cable of 400kV in Greece Rio – Antirrio

Supply and Installation of submarine and land cables in the Rio – Antirrio area for the extension of the 400kV grid towards Peloponnese, Greece

Oresund (155 kV & 132 kv)

The Oresund bridge is the longest combined road and rail bridge in Europe, connecting the substations “Teglstrupgård” in Denmark and “Laröd” in Sweden

Skiathos-Evia interconnection, 30 km of 150 kV submarine cable

Skiathos-Evia interconnection ensures energy security of Greek islands and contributes to the country’s carbon footprint reduction

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Energinet Baltic Pipe project is a major gas infrastructure project © TDC

256Km LSAW/HSAW L485 32” 36” 40” Coating: 3LPE Epoxy

Karish gas export pipeline © Energean

SE Mediterranean Gas, Offshore deep (max 1.750m) 100 Km

Reel lay projects © SS7

North & Norwegian sea Gas & carrier, Offshore reel lay >800km

King’s Quay HFW steel pipes deep-water in the Gulf of Mexico © Wintershal

Reel lay using HFW pipes in max depth 1,250m

© TransAdriatic pipeline

Deliver in time big and prestigious projects with complex multimodal transportation

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Hollandse Kust Zuid, the first high voltage submarine project in the Netherlands (220 kv Export cable)

Supply and installation of sea submarine and land cables for the interconnection of two windfarms in Netherlands with a total production capacity of 700 MW

Dogger Bank A, B, C

Dogger Bank A, B, and C –and each phase will have an installed generation capacity of up to 1.2 GW. Combined, the 3.6 GW project will be capable of powering up to 6 million homes contributing substantially to UK’s and Europe’s goal for net zero carbon emissions.

Seagreen. Scotland's largest offshore wind farm is forecasted to provide low carbon energy for around one million homes

Design, manufacture, test and supply of approx. 320 km of 66 kV XLPE-insulated inter-array cables and associated accessories

Mayflower Wind project, has the potential to generate over 2,000 megawatts (MW) of low-cost clean energy, or enough to power over half a million homes in Massachusetts.

Design, supply and storage of approximately 300 km of 66 kV, XLPE insulated submarine inter-array cables

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Ready for the Hydrogen era - New hydrogen testing lab installed in Corinth Pipeworks

Corinth Pipeworks is leading the development for the energy market and takes action to provide solutions for the European Hydrogen Backbone scheme and the increasing needs of our clients for hydrogen certification of new pipelines.


Jemena has selected to utilize Corinth’s solution of high-grade steel pipes for the future transmission of up to 100% hydrogen.

This award highlights the significance of our technologically advanced solution for hydrogen certified pipes and the utilization of our state-of-the-art hydrogen testing laboratory.


The first high-pressure transmission gas pipeline in Greece, certified to transport up to 100% hydrogen and one of the first in Europe.

West Macedonia pipeline will be part of the European Hydrogen Backbone, Europe’s hydrogen infrastructure needed to achieve its climate and energy objectives.


Corinth Pipeworks awarded contract from GAZ-SYSTEM SA Poland, to supply steel pipes for the Gustorzyn - Wronow gas pipeline

The aim of the project is to build a high-pressure gas pipeline, which will enable the transmission of increased volumes of hydrogen gas in pure or blended form

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Natural gas

FTTH network

Kafireas windfarm

Cairo-Alexandria Railway Project

FFTH network

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Complex in the bay of Faliro in Athens which includes new facilities for the National Library of Greece and the Greek National Opera, as well as the 210,000 m² Stavros Niarchos Park

Stade Allianz Riviera

Allianz Riviera - Nice Stadium is a multi-use stadium in Nice, France The stadium has a capacity of 36,178 people and replaces the city's former stadium Stade Municipal du Ray

Cairo international airport

Also known as “King Farouk 1st Airport”, Cairo Egypt

Stade de Bordeaux

The Nouveau Stade de Bordeaux, currently also known as the Matmut Atlantique soccer field, France