The key phases of the project from contract award at the end of 2011 are as follows:
Front End Engineering Design Completed, Environmental Statement write up kick off, Public Consultation - open days
253MW grid secured, Environmental Consents Submitted to Marine Scotland and The Highland Council, Public Consultation – open days, 5 ROC support announced, Saltire Prize entry, Procurement Strategy defined
Determination of environmental consents for Phase 1 (86MW), Financial Investment Decision for initial array, Procurement phase kick off for initial array, Detailed design kick off and completion for initial array, Grid infrastructure upgrades and long lead items order
Construction of onshore works, Construction of offshore works, Delivery of turbines
Installation of turbines and first electricity delivered to grid, Commercial Operation Date, Deploy and monitor phase begins, Phase2 environmental consents preparation
Build out of Phase 1 turbines
Build out of Phase 1 turbines, Submission of Phase 2 environmental consents
Build out of Phase 1 turbines, Determination of Phase 2 environmental consents, Financial Investment Decision of Phase 2
Build out of Phase 2
Build out of Phase 2
MeyGen has submitted applications for consent for Phase 1 of the Project under the following legislation:
MeyGen has secured a 15MW connection to the local distribution network managed by Scottish Hydro Electric Power Distribution plc. (SHEPD). This connection will be provided at the Power Conversion Centre site and will be available in 2014.
MeyGen has also secured a further connection to the high voltage transmission network with Scottish Hydro Electric Transmission Ltd. (SHETL). The connection will provide enough capacity to cover a large proportion of the remainder of the Project. SHETL has proposed significant upgrades of the transmission network in the local area including an extension of the 132kV transmission network to Gills Bay. The extension will include a proposed 132kV/33kV substation at Phillips Mains.
MeyGen undertook an initial design phase (Concept Design) to evaluate engineering options and alternatives for the Project. This work was completed in November 2009, following which there has been a two year period of Front End Engineering Design (FEED) which concluded in December 2011. During these design stages options for the locations of the offshore and onshore components of the Project were considered and engineering solutions have been developed. The final project design stage (Detailed Design) will begin in 2013.
On the basis that the project receives government sanction in Q2 2013 and a subsequent positive financial investment decision is made by the MeyGen Board, Procurement activities will start in Q2/Q3 2013
Contracts that will be issued during this stage will include:
The timing of letting such contracts will be after Detail Design in Q4 2013
Onshore works will include the construction of the substation, the directional drilling of the ducts from shore to the seabed, the installation of the cables from the substation at to the grid connection point at Gills Bay and any modifications required at this receiving substation. Additionally, any modifications required to the facilities for installation and operations at Scrabster Harbour will be undertaken (subject to commercial terms being agreed).
Final construction, assembly and pre-commissioning of the offshore works (predominantly turbines) it is hoped, will take place in Scrabster Harbour, which will be used as the marshalling yard (subject to commercial terms being agreed).
Installation activities will be carefully planned and undergo rigorous technical and health and safety audits to ensure minimum risk to personnel, equipment and the environment. Although the logistics plan for carrying out the installation is understood, MeyGen is currently in discussions with third parties as to how best service this critical and costly component.
The following steps illustrate an example installation and commissioning sequence for the initial turbine array:
The Operations and Maintenance strategy has been developed as part of the Front End Engineering Design and MeyGen is currently undergoing discussions with 3rd parties as to how best to service this key stage.
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