Energy developer increases capacity of tidal energy array

10th February 2017
Source: Minesto
Posted By : Alice Matthews
Energy developer increases capacity of tidal energy array


Marine energy developer Minesto has announced that it intends to expand the commercial roll-out of its Deep Green technology in Holyhead Deep, North Wales by taking steps to increase the planned installed capacity of its tidal energy array to 80MW. 

“This substantial scale-up of the Holyhead Deep project’s commercial strength makes it even more attractive to site investors and creates early opportunities for sales of Deep Green power plants”, said Dr Martin Edlund, CEO, Minesto.

Minesto has submitted a scoping report to UK consenting authorities Marine Management Organisation (MMO) and Natural Resources Wales (NRW), asking for their scoping opinion for development of an 80MW site in Holyhead Deep. After extensive preparatory work, Minesto has concluded that such a scale for its first commercial project is appropriate from both a business and a technology development perspective.

This is underpinned by an in-depth study analysing the site’s capacity by Xodus Group. The study concludes that the 9kmarea in Holyhead Deep, for which Minesto currently holds an Agreement for Lease for 10MW from the Crown Estate, is suitable for future deployment of up to 80MW installed capacity of Deep Green power plants. Minesto looks forward to continue working with the Crown Estate, MMO, NRW and other key stakeholders to enable the scaling up of this site over the coming years.

By scaling up the Holyhead Deep project to 80MW, Minesto fully exploits its commercialisation of Deep Green in UK tidal streams, said Dr Martin Edlund, CEO of Minesto: “This expansion enables economies of scale without us having to conduct parallel and costly site development. We will be able to take greater advantage of the asset base of our operational organisation, partner collaborations and the supply chain in Wales and the UK”.

Cost of energy reduced by more than 50%
Project economics were certainly attractive for a 10MW installation at the Holyhead Deep site. However, increasing the scale of the project unlocks further cost reductions by delivering all-important benefits from volume manufacturing and installation synergies.

“Our projection of an 80MW project in Holyhead Deep gives a Levelised Cost Of Energy (LCOE) which is 50% lower than for a 10MW project. This substantial scale-up of the project’s commercial strength will make it even more attractive to site investors. Taking this step also means that we are creating early opportunities for Minesto to sell Deep Green power plants to the newly incorporated site development company Holyhead Deep”, said Dr Martin Edlund.

The cost reduction also applies on the Deep Green technology itself, which would move several generations in its evolution through the volumes of an 80MW installation in Holyhead Deep.

A stepwise expansion from demonstrator to industrial roll-out
Following the planned installation of the first 0.5MW commercial-scale demonstrator this year – backed with EU funds through the Welsh Government – Minesto intends to develop the Holyhead Deep site in three phases as part of a deploy-and-monitor approach. This gradual expansion will see Minesto taking the Deep Green technology from demonstrator to full industrial roll-out in North Wales.

The scoping request submitted to MMO and NRW today is the first step in the process of secure all necessary leases and consents for up to 80MW. Throughout this process, Minesto will continue to engage all relevant stakeholders on a regular basis. The next stakeholder event is planned to be held in the springtime once the company has received an official response from the consenting authorities.

Creating an export hub for international expansion
“This is an exciting opportunity to develop the tidal energy sector in Wales. In Holyhead, we have already created 15 full-time jobs to date. We have also created significant and tangible opportunities for the Welsh and UK supply chain. The ultimate goal is to develop Holyhead into an assembly and export hub for Minesto’s international market expansion”, said Dr Martin Edlund.

Ken Skates AM, Cabinet Secretary for Economy and Infrastructure said: “I am delighted by Minesto’s progress and their commitment to make Anglesey their main technology deployment and trading hub and I welcome their ambitious plans to grow their business in Wales.”


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