The World's #1 Renewable Energy Network for News, Information, and Companies.

World's Largest Subsea Tidal Turbine Installed in Scotland

The AK-1000 tidal turbine and its supporting structure, which together weigh 1300 tonnes, have been deployed in a harsh open-ocean environment at the European Marine Energy Centre (EMEC).

Each of the twin turbines has a rotor diameter of 18 metres and is 7.8 metres long, with a cone diameter of 2.4 metres. The full structure is more than 25 metres in height and was installed in a depth of 35 metres.

Developed by Atlantis Resources Corporation (ARC), the AK 1000 is intended to generate enough energy to the Orkney grid to power 1000 homes, while its low rotation speed will curb its environmental impact.

"The AK1000 is capable of unlocking the economic potential of the marine energy industry in Scotland and will greatly boost Scotland's renewable generation capacity in the years to come," said Atlantis' CEO Timothy Cornelius earlier.

Hallin was contracted by ARC to provide specialist services as an experienced subsea contractor to plan, help design and install the turbine.

By its nature, the generator site has strong currents, posing major challenges for installation, which relied on slack water periods.

Component parts were sized at the manufacturing stage to ensure build assembly during installation could be reconciled with the duration of periods of slack water.

"I am very pleased with the successful installation of the AK 1000 in the EMEC test site," said Cornelius.

"The partnership approach and support that Hallin has provided to ARC during the early development and planning stages of the project have resulted in yet another world first for the company."

Hallin's offshore installation manager Steve Offler said: "This has been a challenging installation project that started nearly six months ago at the planning stages. We worked inside the ARC project team to develop an installation plan to install over 1300 tonnes of gravity base and subsea turbine in the harsh tidal environments of the EMEC test fields."

Hallin's Group Business Development director John Payne described the installation as "a very satisfying end to what has been over a year's engineering and planning work".


UK Parliament Clean Energy Leaders

UK Government Names Clean Energy Cabinet Members

David Appleyard, Contributing Editor With the UK general election now over and a majority Conservative Party government in place, the re-elected Prime Minister David Cameron has now named key members of the government charged with steering the UK’s clean energ...
Germany wind turbines. Credit: Shutterstock.

Germany's Powerhouse Feels Pinch of Merkel’s Shift to Renewables

Tino Andresen, Bloomberg North Rhine-Westphalia, the German state that’s home to utilities RWE AG and EON SE, is losing its standing as the country’s powerhouse as wind and solar energy begin to displace conventional sources. Electricity consumers ...
UK Conservatives Spark Renewable Energy Fears

UK Conservative Victory Sparks Climate and Renewable Energy Concerns

Alex Morales, Bloomberg

The surprise Conservative victory in the recent UK elections have some worrying about the future of renewable and climate progress, but officials are now calming those fears.

The New Normal? Renewables, Efficiency, And “Too Much Electricity”

Clint Wilder, Clean Edge Just over a decade ago, the state of California faced serious concerns about whether its utilities could generate and/or buy enough power to assure that the world’s seventh-largest economy could keep the lights on. The infa...


Volume 18, Issue 3


To register for our free
e-Newsletters, subscribe today:


Tweet the Editors! @megcichon @jennrunyon



HydroVision International 2015

New technologies and services are key to addressing – and implementing s...


Environmentally friendly solutions for projects

geoAMPS joins the celebration of the worldwide observance of Earth Day o...

Clean Energy Patents Rise in 2014, Solar Tops others, Toyota and GM...

U.S. patents for Clean Energy technologies in 2014 were again at an all ...

Clean Energy Patents hit new High in Third Quarter. Solar Leads, HE...

  Clean energy patents hit another all-time high in the third quart...


Renewable Energy: Subscribe Now

Solar Energy: Subscribe Now

Wind Energy: Subscribe Now

Geothermal Energy: Subscribe Now

Bioenergy: Subscribe Now