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Sign upQED Naval Limited and Tocardo Turbines
A low-cost submersible platform for tidal sites
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QED Naval Limited and Tocardo Turbines
A low-cost submersible platform for tidal sites
Label Date
June 15, 2020
From
United Kingdom
Maturity stage
TRL 6 / 7 - Prototype demonstration 1:1
Subhub Tidal Platform is a submersible, gravity-based foundation used to support an array of tidal turbines through life. It integrates the whole tidal energy plant at the quayside, where everything is commissioned and tested in a safe, accessible environment. Subhub is then used as a transportation barge to deploy tidal equipment straight to site using commonly available, low cost, harbour tugs etc. In a single offshore operation the Subhub, along with turbines, is installed in a quick and easy ballasting process, using its unique submerged stability characteristics to install itself on the seabed. It then de-ballasts further to adopt its required operating condition. The hydrodynamically designed hull form accelerates flows to tidal turbines, to extract on average 47% more energy from sites. Maintenance and decommissioning is a simple case of deballasting Subhub to bring it back to the surface.
The Environmental Benefits
- •QED's Subhub tidal platform and turbines do not emit any CO2 during their useful lifetime
- •QED's industrial scale device (8m diameter turbines) is capable of generating 1359MWh per year
- •QED's industrial scale device is capable of offsetting 658 tons of CO2 / year from grid
The Financial Benefits
- •Operations cost savings of 60%
- •Yield savings to sites, turbines and financial performance of 48% on average
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Company Profile
QED Naval Limited
QED Naval Ltd is a marine energy business specialising in marine renewable energy projects, platforms and turbines.
Headquarters
Castle St, Edinburgh EH2 3AH, UK
Type
Company
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