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Catapult report unveils new decision-making tool to help cut electrical costs in marine energy farm development

ORE Catapult JDR Cables
Oct 2012 Harlepool - Pics at JDR Hartlepool for Annual Report

A new research project looking at optimum layouts for offshore electrical connections for marine energy farms has developed a ‘decision tree’ to help guide designers and developers towards the most cost effective array configuration for their development.

The Optimum Electrical Array Architectures report, produced by the Offshore Renewable Energy (ORE) Catapult with support from energy consultancy TNEI, looked at the existing electrical array options available for collecting and transmitting power from offshore marine devices back to shore, and evaluated how certain considerations, such as the choice of device type, size of project, and distance to the connection point dictates the best array architecture for the site.

Vicky Coy, Project Manager at ORE Catapult, said:

“One of the major challenges the marine industry faces is the design of a cost effective and efficient electrical network to collect and transmit power from multi device wave and tidal arrays to shore.

“One solution is to connect each individual device to shore, but for arrays further from shore or with complex landfall conditions, a marine electrical array will need to be designed and built.”

“The aim of the project was to identify a preferred marine electrical architecture that can be adopted by as many wave and tidal developments as possible. The final report concludes that currently there is no ‘one size fits all option’ that will suit every project, but using the ‘decision tree’ will help developers decide on the best, and most cost effective, array option for them.”

Four existing architecture array options currently available for the connection of large scale marine energy devices were evaluated:

  • Direct connection
  • Star cluster with surface piercing platforms
  • Star cluster with floating platforms
  • Radial arrays on seabed.

The project also identified that a number of technology development opportunities exist to further develop array architectures that will reduce the electrical infrastructure costs of future marine energy farms. ORE Catapult is keen to work with industry to drive forward these development opportunities, and has launched a number of technology innovation challenges in the area of electrical yield architecture. More information is available at https://ore.catapult.org.uk/work-with-us/smes/innovation-challenges/

Ends

Notes to Editors

The reports are available to download from the ORE Catapult website

About TNEI

TNEI is a specialist energy and environmental consultancy delivering industry leading services to a wide range of client groups, from offices in Manchester, Newcastle, Glasgow and South Africa. The company’s experienced and customer focused consultancy team deliver expert advice in the key service areas of power system analysis, electricity markets, technology expertise, planning and consenting and environmental surveys and assessment. TNEI owns and develops the power systems analysis software IPSA ( www.ipsa-power.com ) which is used by a wide range of clients – from oil and gas to nuclear, including the majority of the UK’s DNOs.

TNEI’s extensive team within the Power Systems and Technology Group possesses a world-class mix of distribution system experience, system studies capability, and data management and handling skills, coupled with the ability to understand client requirements and to deliver study results in a clear and concise format.

TNEI is well known and respected for the strength and expertise of its Planning & Environmental Group with a strong combination of planning, environmental and technical expertise relating to energy projects. It has established a reputation within the energy industry for the rapid and effective consenting of wind energy sites and other energy related projects.


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Published
Tue 8 Sep 2015
Last Updated
Tue 23 Jan 2018

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