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At AWS Ocean Energy we recognise that the ability to predict the performance of our generation system over a range of environmental conditions is key to commercial project development. We are therefore engaged in a rigorous programme of study, investigation and testing which is designed to establish this capability and thereby reduce some of the risks to customers.
Our understanding of the potential performance of the AWS-III is based on extensive work carried out by Coventry University under the UK government sponsored wave energy programme in the 1980’s to which we have added significant further knowledge through advanced numerical simulations, tank testing and our 1:9 scale model test of the complete system on Loch Ness in 2010.
The AWS-III is designed for deployment in exposed ocean conditions in water depths of between 70 and 150m. The mean output over a 15 minute period in an Hs 5m / Tz 9sec sea-state is expected to exceed 2.5MW.
Our current models predict capacity factors in the region of 25% for a 2.5MW device deployed in a 44kW/m resource indicating an average annual energy production of around 5.1GWh per device.
We are currently building an optimised scale model for testing in a large tank facility and hope to publish a full power matrix for the AWS-III early in 2012 once the test results are to hand.
1:9 Scale model of the AWS-III under test on Loch Ness, June 2010