Alternative Energy

Alternative Energy

Alternative energy news, and information about renewable energy technologies.

Jun 06

Seagen Tidal Power Installation

Posted in Energy Industry | Tidal Power

Seagen Paul Taylor: Installation Of The World’s First Commercial Tidal Current Power System Confirmed. Marine Current Turbines has today (June 6th 2007) confirmed that installation of its SeaGen commercial tidal energy system will commence during the week of August 20th in Northern Ireland’s Strangford Lough. At 1.2MW capacity, SeaGen will be the world’s largest ever tidal current device by a significant margin, and will generate clean and sustainable electricity for approximately 1000 homes. It is also a world first in being a prototype for commercial technology to be replicated on a large scale over the next few years.

The installation of SeaGen in Strangford Lough will be carried out by A2SEA A/S of Denmark, one of Europe’s leading offshore installation contractors. The SeaGen 1.2MW commercial demonstrator has been developed on the basis of results obtained from SeaFlow, the world’s first full-size tidal turbine installed by Marine Current Turbines off Lynmouth Devon in 2003. It has taken the subsequent four years for Marine Current Turbines to design and build SeaGen and secure the necessary environmental and planning consents.

Seagen Ocean Generator SeaGen is a commercial demonstration project with permission to operate in Strangford Lough for a period of up to 5 years. It is intended as the prototype for commercial applications of the technology that will follow.

Martin Wright, Managing Director of Marine Current Turbines said: “SeaGen’s installation is a very significant milestone for both Marine Current Turbines and the emerging marine energy sector. Following from our previous experience with SeaFlow, our 300kW experimental test system installed in 2003 off the north Devon coast we are confident that SeaGen will show that tidal energy can be truly competitive with other forms of power generation. Decentralized tidal current energy is fundamentally predictable and sustainable. It is also environmentally benign.”

Seagen Jumping Jack Commenting on the future prospects for tidal current energy, Martin Wright added: “We will build on the success of SeaGen to develop a commercial tidal farm, of up to 10MW in UK waters, within the next three years. With the right funding and regulatory framework, we believe we can realistically achieve up to 500MW of tidal capacity by 2015 based on this new SeaGen technology.”

Recognizing the special marine environment of Strangford Lough, MCT has undertaken a comprehensive environmental monitoring programme. This program is already active and is managed by Royal Haskoning, a leading environmental consultancy, working in partnership with Queen’s University Belfast and the St Andrews University Sea Mammals Research Unit. The program is overseen by an independent body, chaired by David Erwin, a former Chief Executive of the Ulster Wildlife Trust.

Seagen Turbine The A2SEA jack-up barge, “JUMPING JACK”, is planning to mobilize from Belfast’s Harland & Wolf shipyard, where SeaGen is already complete and waiting, to Strangford Lough on August 20th. It is expected that the drilling of a single pile into the seabed and the installation of the twin-turbine device will take 14 days, with commissioning and power generation to the local grid shortly afterwards.

Martin Huss, Sales & Marketing Director of A2SEA said: “We are delighted to be working with MCT on this important and challenging project and hope it is the start of a long and rewarding relationship as tidal technology enters the market place in the UK.”

Update: Installation of SeaGen tidal energy system postponed

Friday, August 3rd 2007 – Marine Current Turbines regret that the installation of its SeaGen tidal energy system, originally set for the end of August, is to be postponed because the jack-up installation vessel, Jumping Jack, had been required to extend its period of work on another contract for a third-party and is also in need of repair work following an accident in port. Marine Current Turbines wishes to install SeaGen in Northern Ireland’s Strangford Lough before the end of this year and are in discussions with A2Sea, the owners and operators of Jumping Jack, to agree a new date for SeaGen’s installation as soon as possible.

Related Information:

  1. Consent to install the SeaGen device in Strangford Lough was given by the Environment & Heritage Service (Northern Ireland) in December 2005.
  2. Marine Current Turbines has received a 4.27m grant from the DTI’s Technology Program for SeaGen, being approximately 50% of the total cost of this important pioneering renewable energy project.
  3. Marine Current Turbines Ltd is based in Stoke Gifford, Bristol and employs 15 people. The company was established in 2000 and its principal corporate shareholders include BancInvest, EDF Energy, Fugro Seacore, Guernsey Electricity and Olympic Consultants. For further information, please visit
  4. A2SEA

    ( was established in 2000. It is the world’s leading supplier of construction services for the offshore wind farm market. Capabilities include foundation and turbine transport and installation services using either its unique leg suspended crane vessels or full jack up rigs with heavy lift capability. A2SEA has a market leading position in providing turbine repair and maintenance services, and can also perform met mast installation and assist with geotechnical survey work.

Article Submitted by: Paul Taylor

Update: The Seagen installation was recently completed

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