meygen tidal energy project phase 1a – progress update
TRANSCRIPT
MeyGen Tidal Energy Project
Phase 1a – Progress Update
All Energy 2016
Practical experience in tidal array developments
05th May 2016
David Taaffe Project Manager
Project Overview
MeyGen ProjectArtists Impression
Atlantis Resources: May 2016
MeyGen Site Location
MeyGen: Inner Sound,
Pentland Firth, Scotland
Strategic location;
• Exceptionally fast currents;
• Sufficient water depth;
• Close connection to UK grid;
Atlantis Resources: May 2016
MeyGen ProjectInstallation, Grid & Consents Sequence
Demonstration tidal array Phase 1a 6 MW
Commercial tidal array Phase 1b 6 MW
Phase 1c & d 74 MW
Phase 2 312 MW
6MW
12MW
86 MW
398 MW
Consenting Phase 186MW
Consenting Phase 2312MW
33kV DNO14.9 MW
132kV Grid
Connected237MW
TBD Grid 141 MW
Cumulative MW
Installed
Grid Connection
TypeConsents
Atlantis Resources: May 2016
Installation Site Layout
Atlantis Resources: May 2016
MeyGen Project Phase 1ASystem Diagram - 6MW Tidal Energy Array
7
1 x ARL + 3 x AHH 1.5MW TTG’s generating at 4.1kV
4No Subsea cables
4.1kV frequency converters (turbine control)
4.1kV frequency converters (grid connection compliance control)
4.1kV to 33kV transformers
33kV switchgear 33kW 14.9MW grid
connection
Atlantis Resources: May 2016
MeyGen Phase 1ASupply Contract Structure
MeyGen(Project Company)
SHEPD(GRID CONNECTION)
NGET(Grid Compliances)
ANDRITZ(3 x TTG)
(Supply Only)
ATLANTIS(1 x TTG)
(Supply Only)
FISHERCable/TTG/GBS
(Installation)
JDRSUB-CABLES
(Supply)
GLOBAL ENERGYGBS
(Manufacture)ABB(ONSHORE WORKS)
EPC
O’Connor UtilitiesHDD
(Design/Execute)
JGCGBS Ballast
(Manufacture)
Robert Bird GroupGBS
(Design)
FIDIC
FIDIC
FIDIC
FIDIC
FID
ICFI
DIC
Gri
d A
gFI
DIC
FID
IC
Co
nsu
ltant
Atlantis Resources: May 2016
MeyGen Phase 1AMajor Contracts
Grid
Subsea
cables
Directional
drilling
Grid Connection
Onshore Works
Offshore Installation
AHH Turbines
Atlantis Turbine
Turbine Support Structures
Submarine Cables
Directional Drilling
Progress to Date
MeyGen Phase 1AProject Progress Highlights
September 2014
Financial closeis achieved for£51.3 millionfunding for6MW MeyGenPhase1A
January 2015ConstructionWorks commenceat the MeyGenOnshore Site tobuild access road
March 2015HDD Drilling Commences
&5800 Tonnes ofSteel deliveredto Scrabster forBallast Blocks
April 2015
First HDD bore
completed
July 2015HDD Drillingcompleted –four HDDbores totallength over2km
August 2015Manufacture of
11.5km of subsea cable completed
Sept 201511.5km of
Subsea Cable
Installed successfully
Oct 2015Environmental monitoring test
equipment successfully
deployed
Dec 2015Onshore building
steelwork erection
completed
Feb/Mar 2016Onshore building
floor slab pour completed
& electrical fit-out commences
April 2016SSE Grid
connection works ready for
commissioning
Atlantis Resources: May 2016
MeyGen Phase 1A15MW Grid Connection – Project Status
1212
Existing 33kV Line Thurso to Laurel
33kV Line from Laurel to HastigrowConductor Upgrade
Hastigrow 33kV substation upgrades
COMPLETE
18km of 33kV cable installed
14.9MW 33kV connection at Ness of Quoys –Substation built and switchgear installed
Atlantis Resources: May 2016
MeyGen Phase 1A15MW Grid Connection – SHEPD
• MeyGen Connection Agreement in place since 2010 – early investment crucial
• Classified as “Large Power Station” and required to meet Grid Code –electrical interface with Onshore Works Contract
• Dedicated room within building designed and built to house SHEPD substation – physical interface with Onshore Works Contract
Onshore Building, SHEPD Room – 33kV Switchgear Installed
17km of Onshore 33kV Onshore Cabling completed
MeyGen Phase 1AOnshore Works – ABB
• Onshore Civil Works Completed
• SHEPD room completed and Handed Over for Grid Connection
• Electrical Fit out work commenced
• Building designed to minimise noise and visual impact
• Designed to reliably dissipate heat from electrical conversion equipment
Onshore Building – South and West Elevations
Atlantis Resources: May 2016
MeyGen Phase 1AOnshore Works – ABB
Onshore Building – Power Conversion Units (PCU) Installed. The PCUs provide torque control to the turbines (Interface with both Turbine Contracts) and convert power to Grid Code compliant quality (Interface with Grid)
Onshore Building – Overhead Cable Management System
Atlantis Resources: May 2016
MeyGen Phase 1AOnshore Works – ABB
Control Building – Installation of 33kVtransformers (left) and LVAC switch board(above)
Atlantis Resources: May 2016
MeyGen Phase 1AHorizontal Directional Drilling - OCU
Horizontal Directional Drilling – 4 x 570m Bores completed (Interfaces with Cable Supply, Onshore Works and Offshore Works Contracts)
Atlantis Resources: May 2016
MeyGen Phase 1ASubsea Cable Design and Manufacture - JDR
Cable Supply Contract –Completed Design andManufacture of 11.5km ofsubsea cable (Interfaces withTurbines, Offshore Works andOnshore Works)
MeyGen Phase 1AOffshore Cable Installation - JFMS
Mobilisation of Offshore Construction Vessel (Siem Daya) at Hartlepool
Atlantis Resources: May 2016
MeyGen Phase 1AOffshore Cable Installation - JFMS
Installation of 11.5km of Cable Offshore
• Offshore Cable Installation Works Completed
• Bespoke cable laying operation - specific neap tide selected and one 2.5 km cable installed every 12 hours
• Total operation at MeyGen Site completed in 2.5 days
• Interfaces with Cable supply Contract and HDD ContractAtlantis Resources: May 2016
MeyGen Phase 1ACable Installation - JFMS
Subsea cable being pulled through HDD to Onshore Site
• Cables pulled through HDD bores with enough length to connect directly to building
• 24 hour operation co-ordinated with Offshore Lay
• Post-Installation cables tested from Onshore to confirm successful install
Atlantis Resources: May 2016
MeyGen Phase 1ACable Installation - JFMS
22As- Built Cable Routes
Image of Subsea Cable on the seabed
Atlantis Resources: May 2016
MeyGen Phase 1ATurbine Support Structure (TSS) Detailed Design- RBG
23
Detailed design of TSS completed
Tank Testing of TSS
Ballast Block Detailed Design
• Design Life of 25 Years
• Two different TSS designs – design interface with both turbine supply contracts
• Turbine and Substructure is one dynamic system
MeyGen Phase 1ATurbine Support Structure (TSS) Ballast Blocks- JGC
24
• 16 of 24 Ballast Blocks completed
• Each Ballast Block weighs 200 Tonnes
• Each Substructure has 6 Ballast Blocks – total Ballast weight 1200 Tonnes
• Most cost effective design uses steel plates “as cast” and bolted together.
• Design life of 25 years required steel plates to be cladded to prevent water ingress. Ballast Blocks at JGC Fabrication Facility in
Janetstown, Thurso.
MeyGen Phase 1ATurbine Support Structure Fabrication - GEG
• All fabricated steel forfour TSS has beenprocured and deliveredto Nigg
• Inner Sections of allfour TSS substantiallycompleted
• In the process ofassembling the outerlegs
• Interfaces with bothTurbine Suppliers forstructural stabs andcable managementsystems
TSS pylons for AHH Turbines attached to inner leg sections at NiggAtlantis Resources: May 2016
MeyGen Phase 1ATurbine Support Structure Fabrication – GEG
TSS pylons for ARL Turbine attached to inner leg section at Nigg
Atlantis Resources: May 2016
MeyGen Phase 1ATidal Turbine Generator Supply – ARL and AHH
1 X Atlantis AR1500 1.5MW Turbine 3 X Andritz Hydro Hammerfest 1.5MW HS1000 Mk1 TurbinesAtlantis Resources: May 2016
MeyGen Phase 1ATurbine Technology Comparison– ARL and AHH
Area Atlantis - AR1500 Andritz - HS1000 MK1
Rotor Diameter 18m 18m
Rated Power 1.5MW 1.5MW
Inspection period (MTBO) 6.25 years 5 years
Blade Material Carbon Fibre Carbon Steel
Cut Out Velocity 5m/s 4.5m/s
Pitch System Collective Hydraulic Independent, Electrical
Gearbox 2 Stage 3 Stage
Generator Permanent Magnet Induction Machine
Yaw Mechanism Electrical Electrical
Connection Offered Wetmate Drymate
Turbine Controller (and Converter)
Onshore Onshore
Atlantis Resources: May 2016
MeyGen Phase 1ATurbine System – Atlantis Resources
1.5MW AR1500 TTG – Nacelle AssemblyAtlantis Resources: May 2016
MeyGen Phase 1ATurbine System – Andritz Hydro Hammerfest
1.5MW HS1000 MK1 TTG – Nacelle and Drive Train Assembly
Atlantis Resources: May 2016
Path to Completion
MeyGen Phase 1AFinal Steps to Project Completion
July 2016Turbine Final
Pre-deployment Assembly at Nigg
June 2016Energise Grid
Connection and Onshore Equipment
Ready for Export
Sept 2016First two Turbine
Installations completed
Nov 2016Final two Turbine
Installations completed
Feb 2017Commissioning
Completed
March 2017Project Completion
and commercial operation
commences
August 2016Installation of
TSS
Atlantis Resources: May 2016