renewable energy options for ska · >20db below mil spec rf emissions. mro power station...
TRANSCRIPT
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Renewable Energy Options for SKADavid Edwards
Sustainable Energy Solutions - ISD
Wissenschaftsforum Berlin Mitte – April 7, 2011
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�Supply Area 2.3M km2
�42,000 customers
�34 power systems
�950 GWh sent in 2010
�Regional Depots in:
�Kununurra
�Broome
�Karratha
�Port Hedland
�Carnarvon
�Esperance
�Bentley – Perth
�18 milli customer per km2
�Southwest Interconnected System
�WEM- Wholesale Electricity Market
�Verve – Generation
�Western Power – Transmission
�Synergy – Retail
Service AreaHorizons Service Area
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MARS
� Modular – modular design, construction and deployment
� Automated – automation of network & generation
� Renewable – seamless integration of renewable energy
� Scale-able – ability to add or remove capacity to suit load change
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� Reduce the cost-to-deploy (CapEx)
� Reduce the cost-to-serve (OpEx)
� Reduce CO2 emissions ready for an Emissions
Trading Scheme (ETS)
� Take advantage of falling cost of PV
� Need to develop pathways to suitable storage
technologies
Factors driving MARS development
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Marble Bar & Nullagine
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100% Diesel : Traditional Power Station60% Renewable : Controlled Renewable Power Station95% Renewable : Controlled Renewable + STES Power Station100% Renewable : Controlled Renewable + STES Power Station100% Renewable : Controlled Renewable + STES + LTES Power Station
Future Power Station Design
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Murchison Radio-astronomy Observatory
� Flexibility in fossil fuel generation loading – 20%
� Control of the renewable energy generation
� Energy storage – Short term & Long term
� Control system to facilitate energy balance
� Feeder management and dispatch-able loads
� Fuel flexibility – Biodiesel & Hydrogen co-firing
� >20dB below MIL Spec RF emissions
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MRO Power Station Building Design
� Modular design using the same construction
technique as the ASKAP correlator building
� Identical RFI mitigation techniques
� Two levels of attenuation in the room design
� Power station located > 1km from antennae
� All RFI emissions reduced to > 20dB below MIL
spec 461F
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MRO Power Station Site Layout
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MRO Power Station Fuel & Oil System Layout
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MRO Power Station Engine Room
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MRO Power Station Design
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Square Kilometer Array
Horizon Power has a strong working relationship
with the regional power utilities in each state and
territory through the:
Isolated Power Developers Forum
chaired by Horizon Power
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SKA Core - Power Options - Gas
� ISCC (Integrated Solar Combined Cycle)
� No Thermal Storage
� Day time only offset of gas consumption
� Water considerations
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SKA Core - Power Options - Gas
� Large scale solar thermal
� Molten salt thermal storage
� Could be combined in an ISCC
� Higher level of solar energy penetration
� Water considerations
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SKA Core - Power Options - HVDC
� HVDC avoiding radio quiet zone
� Large scale photovoltaic
� Large scale solar thermal or Organic Rankin Cycle systems
� + DC to DC conversion
� Large Scale electrical storage or use the SWIS / grid as ‘virtual’ storage
� Supply Contracting Strategy to achieve 100% renewable energy from SWS
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SKA Super Computer - Power Options
� Super Computer based in Perth
� Load in excess of 150 MW ?
� Supply infrastructure by Western Power
� SKA will be a contestable customer with freedom to purchase energy
� Energy purchased through the Wholesale Electricity Market (WEM)
� Generation by Verve or multiple Independent Power Producers ?
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Supercomputer location
� Water requirements for cooling-
considerable
� Location in Kwinana adjacent to
desalination plant- advisable
� Existing energy delivery infrastructure
� Desalination plant already runs on
100% renewable energy (180 GWh/yr)
� Desalination plant offers existing
water inlet and outlet to Indian ocean
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Summary
� Power Supply options for the SKA core could include:
� Gas as firm capacity with renewable energy offset
� High Voltage Direct Current as firm capacity with renewable energy offset
� Contracted renewable energy from the Southwest Interconnected system
� Western Australia offers a significant solar energy resource
� ASKAP power station is replicable for SKA isolated dish clusters
� Super Computer Location in Kwinana offers strategic advantages
� The Wholesale Electricity Market offers 100% renewable energy
options for the supercomputing component of SKA
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Thank You
Horizon Power
18 Brodie Hall Drive
Technology Park
Bentley, 6201
Western Australia
www.horizonpower.com.au