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Hi-tech collaborative project to cut costs and boost confidence in tidal energy projects

A new type of sensor could soon be installed on the blades of subsea tidal turbines to monitor the interaction between marine life and renewable energy installations, as a result of a new collaborative project involving the Offshore Renewable Energy (ORE) Catapult and CENSIS.

The initiative is the first time the government-backed Catapults and Innovation Centres have worked together.

The organisations’ research will aim to improve the monitoring of activity around subsea tidal installations and provide a warning when there is a risk of a collision with a tidal device. The project partners will assess whether sensor technology from other industries can be employed to detect, monitor and forewarn of potential collisions with tidal energy devices, or if a new sensor technology is needed.

Current monitoring processes can be very expensive, involving teams of watchers on the seashore and a mixture of subsea listening devices. Subsequently, the cost of subsea environmental monitoring can be substantial and inconclusive when it is difficult to confirm surface sightings with events beneath the waves.

Regulations stipulate that developers must analyse the environment around a proposed site for two years prior to installation, as well as during the construction phase and throughout the plant’s operation. This is likely to be at least 20-25 years.

Vicky Coy, Project Manager at ORE Catapult, said:

“Tidal energy is an emerging market with great export potential, which the UK has the potential to lead. We have some of the best tidal resources around the UK and are already at the forefront of industry research, leading in the design and demonstration of this technology. Scotland, in particular, has a number of rich tidal energy sites with the Pentland Firth and Orkney Waters among the greatest in the UK.

“Our primary concern is safety: the safety of both the natural environment in which we want to operate and of the equipment we want to install and use to generate energy. To achieve that, we must design reliable monitoring systems that confirm these systems can be comfortably integrated into the subsea environment. But, we also need to make the technology cost effective. Another aspect of this project is to simplify and reduce the costs from what is, in effect, the subsea equivalent of the planning process.

“Tidal energy developers tend to be small and medium-sized companies with limited resources, so any costs which can be removed at the same time as improving safety will be welcomed by the industry. We’ve had a lot of positive engagement from both the business and academic communities, and we’re looking to harness this support further when we move to the next stages of this initiative.”

There are a number of developments at various stages of the planning process in the tidal energy market. The first and most high profile of these is the MeyGen project located in the North of Scotland. It aims to deploy up to 398MW of offshore tidal stream turbines by the early 2020s.

Gavin Burrows, Project Manager at CENSIS, said:

“We’re working with a number of organisations to articulate the needs for a sensor system with the appropriate sensitivities – one that can provide evidence of how marine mammals behave near tidal turbines and also determine what exactly has impacted on a particular asset, should a collision occur. It’s most likely that sensors, whether these are brought in from another industry or developed specifically for this purpose, will be built into the blades of subsea turbines. This could have applications in a range of other offshore devices, not just in the tidal energy market.

“There is significant potential for us to export the skills and expertise we’ll be developing as part of this project – particularly as we move into the demonstration and commercialisation phases. Likewise, researchers will have access to new and hitherto untapped data, giving them the opportunity to accelerate the industry. The potential is there for our academic and business communities to take further leaps forward in the tidal energy market – our aim is to make this happen and create economic value out of the research for Scotland.”

Ends 

Notes to editors

1.         About CENSIS

CENSIS is the Scottish Centre for Sensors and Imaging Systems, which aims to bring together commercial innovation and academic research, to drive economic activity in Scotland. Established in April 2013 with an initial £10 million funding, it expects to deliver 150 collaborative R&D projects and assist Scotland’s 170 companies in the industry which, between them, contribute £2.6 billion to the economy. It is funded by the Scottish Funding Council, with additional support from the Scottish Government, Scottish Enterprise and Highlands & Islands Enterprise.

2.         About Innovation Centres

The Innovation Centres, which were launched in 2014 and in the latter part of 2013, sit within the construction industry, oil and gas, stratified medicine, digital health, industrial bio-tech, and sensors and imaging. Each Centre aims to establish bonds between Scotland’s universities and their respective industry sectors, translating the knowledge and expertise into commercially viable products and companies to benefit the country’s economy.


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Published
Mon 31 Aug 2015
Last Updated
Tue 23 Jan 2018

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