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Report

Teaser, summary, work performed and final results

Periodic Reporting for period 2 - D2T2 (Direct Drive Tidal Turbine (D2T2) Accelerator project)

Teaser

Summary

Nova Innovation is a leading designer and manufacturer of tidal turbines. We designed, built, deployed and now operate the world\'s first tidal array consisting of three grid-connected turbines at our tidal energy site in Scotland.
The problem addressed in this project is that existing technologies for exploiting tidal stream energy are:
(a) relatively unproven;
(b) expensive; and
(c) have yet to gain the confidence of the market.
Our goal in this project is to reduce the levelised cost of tidal energy to provide affordable, completely predictable, sustainable green electricity. Outputs of the D2T2 project will be independently verified and will demonstrate improved efficiency, improved reliability and lower maintenance costs of a tidal turbine. The results will be disseminated to raise investor and market confidence in the emerging tidal energy industry. The D2T2 project will help reduce the environmental impact of energy production and improve European energy security and carbon emissions by enabling exploitation of an abundant, clean, renewable energy, which could meet up to 8% of EU electricity demand.

Work performed

During the first reporting period a number of activities were carried out to set the project on a successful trajectory.

Detailed commercial assessments and consultations were carried out to identify an optimum route to market strategy for the D2T2 turbine. These included Levelised Cost of Energy (LCOE) modelling and a global commercial assessment of the tidal energy market. The outputs of these activities heavily influenced the design and development of the D2T2 turbine.

The design activities carried out developed a commercially optimum solution which ensures that the D2T2 project delivers a more effective turbine solution for all identified markets. The design underwent an initial independent verification carried out by a third party which highlighted that the design is following a robust development pathway.

The D2T2 team also set the foundations for broadening Nova\'s existing European supply chain to incorporate available manufacturing opportunities through the wider European market.

Building upon this, the second reporting period saw the team focus on delivering the route to market strategy.

This involved the project moving into the build and manufacture phase, during which the team focussed on design optimisation for manufacture, decreasing cost of production and expansion of the supply chain.

Design optimisation for manufacture activities have ensured that the turbine designs are on track to achieve the project targets - in terms of performance, reliability, survivability and LCOE reduction.

Decreasing cost of production has been achieved through partnership working with the supply chain. This has involved robust implementation of industry standards and best practice and working with the supplier to improve material/component selection and manufacturing procedures.

The successful expansion of the supply chain across Europe, from 4 supplier countries to 14, has enabled project objectives to be achieved and created new economic opportunities across Europe in the ocean energy sector. It also demonstrates that although Europeâ€™s tidal resource is predominately across the Atlantic shore, the sector is served from across Europe and the D2T2 project is delivering impacts which provide benefits across Europe.

Final results

The impacts of the D2T2 project will be to:
- reduce the cost of tidal energy by decreasing the costs of production, installation and O&M, whilst increasing technology performance through a next-generation tidal turbine;
- promote industrial capacity and competitiveness, creating job opportunities and supply chain growth with new economic opportunities across Europe;
- reduce the environmental impact of energy production;
- improve European energy security and carbon emissions; and
- produce a turbine to allow cost-effective development of sites in Europe and around the world.