New techniques for foundation installation reduce cost of offshore wind farm

Posted by Joseph R. Fonseca
Friday, May 09, 2014
Offshore Foundation to reduce wind turbine cost

 

As part of a development project related to the future offshore wind farm ”Parc éolien en mer de Fécamp” in France, MT Højgaard is to install a deep water concrete foundation employing new techniques that will reduce cost of offshore wind farm. The newly developed prototype foundation is based on proven technologies known from the oil and gas, tunnel and bridge industry and in combination with the installation method.

The foundation is to be towed about 25 kilometres into the Channel from Le Havre, and then placed in  the exact position where the depth of the sea is 35 metres.The installation of the prototype foundation will take place at the end of 2014.

"We expect that this type of foundation combined with the method of installation can be a game changer in the market and can lead to considerable installation cost savings," says Kim R. Andersen, Vice President, MT Højgaard, Offshore & Steel Bridges.

As the offshore wind farms are moving into deeper waters, the installation costs are one of the barriers to making offshore wind an economically viable source of energy. Thus it is imperative that the industry reduces cost. Together with the Norwegian company, Seatower, and the French construction contractor, Eiffage Travaux Publics, MT Højgaard has just contracted on a development project related to “Parc éolien en mer de Fécamp” to install this prototype foundation in the English Channel. Seatower has designed the foundation, Eiffage Travaux Publics is to manufacture it in France, and MT Højgaard will be in charge of the installation. The future offshore wind farm is owned by the French energy company EDF Energies Nouvelles, Danish DONG Energy and German wpd Offshore.

The foundation is a concrete gravity base foundation. It will be towed by tug boats to the wind farm location where it will be lowered onto the sea bed by letting water flow into the foundation structure itself. The transport by sea using tugs reduces costs dramatically compared to an installation requiring a large installation vessel which is far more susceptible to weather conditions. This extends the operational weather window, and the speed of installation is expected to improve. Moreover, several installations can be carried out in parallel, using several tugs.

The method of installation is considerate to the environment because the seabed is less strained and because it does not have an adverse impact on the animal life.

"With more than 20 years of experience we are among the most experienced players in the installation of monopiles. The experience from the Fécamp development project is to be used for defining the standards for the next generation of foundations for deep water offshore wind farms," says Kim R. Andersen.

 

Maritime Today


The Maritime Industry's original and most viewed E-News Service

Maritime Reporter April 2016 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

Technology

Voice-data Communications and HDTV in One System

PDQ’s OneSource System provides long range cell, wi-fi and high definition TV in one system for mobile users.   San Diego wireless company PDQ Connect has developed

Cavotec, ABB Partner on Shore-to-ship Power

Cavotec and ABB have signed a Memorandum of Understanding to jointly offer complete shore-to-ship power solutions globally. Such solutions allow vessels to plug

Ulstein Verft's First Wind Service Vessel Launched

Shipbuilder Ulstein Verft has launched its first vessel within the renewable energy segment, and also the first with the newly-developed X-STERN hull line design.

Energy

Russia Diesel Exports from Primorsk to Rise in May

Russia is set to export 1.256 million tonnes of ultra-low sulphur diesel from the Baltic Sea port of Primorsk in May, slightly up from 1.209 million tonnes in April, trading sources said on Friday.

Oil Rally is Not Just About Hedge Funds: Kemp

Oil prices are becoming dangerously overheated as speculators anticipate a rebalancing of supply and demand that has barely started, according to many oil analysts.

Pressure Steady on LNG Shipping Rates -Drewry

LNG shipowners will have to wait until 2018 for earnings to improve, when the majority of new US plants are expected to come online, according to the latest edition

News

Mercury Marine Expands Manufacturing Capacity

Mercury Marine is adding a 53,000 square foot manufacturing capacity expansion to its global headquarters in Fond du Lac, Wisc. The expansion will consist of 45,

Conquest Installs 850t Crane on Allseas Solitaire

Conquest Offshore was contracted by Allseas to remove a 300-ton crane and transport and install a 850-ton Huisman crane on board of one of the largest pipe-lay vessels in the world, Allseas Solitaire.

MARAD: $5 Mln Available for Marine Highway Projects

The Maritime Administration (MARAD) has announced the availability of $5 million in Federal funding to expand marine highway service by creating new or expanding

Marine Equipment

Mercury Marine Expands Manufacturing Capacity

Mercury Marine is adding a 53,000 square foot manufacturing capacity expansion to its global headquarters in Fond du Lac, Wisc. The expansion will consist of 45,

Conquest Installs 850t Crane on Allseas Solitaire

Conquest Offshore was contracted by Allseas to remove a 300-ton crane and transport and install a 850-ton Huisman crane on board of one of the largest pipe-lay vessels in the world, Allseas Solitaire.

Sellick Equipment to Open New Facility

On April, 20, 2016, at the young age of 97 years, Walter Sellick along with sons Howard Sellick - President, David Sellick - Vice President and grandson Colin Sellick - Systems Manager,

Offshore Energy

Subsea 7 Profits Dip in Q1

Subsea 7 S.A. announced its financial results for the first quarter ending March 31, 2016, reporting revenues of $746 million, down 37 percent from the prior year period.

Ulstein Verft's First Wind Service Vessel Launched

Shipbuilder Ulstein Verft has launched its first vessel within the renewable energy segment, and also the first with the newly-developed X-STERN hull line design.

Incat Crowther Supplies Crewboat Design, Build Kits

Incat Crowther has been awarded a contract with shipbuilder Astinave EP of Guayaquil, Ecuador for the supply of vessel design services and aluminum component kits for a pair of 22.

 
 
Maritime Careers / Shipboard Positions Maritime Contracts Maritime Standards Naval Architecture Navigation Offshore Oil Pod Propulsion Salvage Shipbuilding / Vessel Construction Winch
rss | archive | history | articles | privacy | contributors | top maritime news | about us | copyright | maritime magazines
maritime security news | shipbuilding news | maritime industry | shipping news | maritime reporting | workboats news | ship design | maritime business

Time taken: 0.1628 sec (6 req/sec)