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Chromasun Micro-Concentrator ACEEE Hot Water Forum
Andrew Tanner
Andrew Tanner PAGE 2
Solar Experience
• Andrew Tanner: VP Engineering at Chromasun
Andrew Tanner PAGE 3 Source: Macquarie Generation http://www.ausramediaroom.com/download/LiddelSolarThermal_17Nov09_MPEG-4-1280x720.mp4.zip
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2007 – Liddell Power Station – 15MW
2002 – Prototyping first Ausra
reflector
2007- Commissioning the
world’s largest hybrid
solar/coal-fired power station
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2008 Chromasun Formed
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And made it 100X smaller!
Micro-Concentrator (MCT)
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MCT Exploded View
Receiver Pipe (SS 304 A213 Tube)
Parallel Mirrors
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Chromasun MCT – Simple Installation
MCT is self-supporting and has an integrated stand.
Technology can be deployed quickly and into remote areas
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Chromasun MCT – Simple Installation
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Competitive Analysis
Gross Aperture Efficiency at 1000W Global/850W DNI
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MCT vs Flat Plates
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Solar Concentrator Efficiency
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Flat Plate Collector Efficiency
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600 700 800 900 1000
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Santa Clara University Showcase Project
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SCU Solar Monitoring
Monitoring Equipment
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SCU Energy Metering
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SCU Performance
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SCU Benson System Schematic
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Industrial Process Heat Applications
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HHW, CHW and CW with Solar Thermal Panels
HHW
MCT Panels
DE Multi-Fire Absorption Chiller Cool Building
Sunlight
Heat Rejection
1.35 @ 7°C 2.35 @ 30°C
1 @ 175°C and/or Natural Gas
CHW CW
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Solar Cooling Load Correlation
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HHW, CHW and DHW with Solar Thermal Panels
HHW
MCT Panels
NH3 Multi-Fire Absorption Chiller Cool Building
Sunlight
Hot Water
0.6 @ 7°C 1.6 @ 54°C
1 @ 115°C and/or Natural Gas
CHW DHW
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Rooftop solar energy yields for the building
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Flat Plate DHW Flat Plate CHW PhotovoltaicCHW
MCT CHW MCT DHW +CHW
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Solar technology type
CHW
DHW
1000W/global, 850W/DNI solar resource
Best building
energy outcome!
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Opportunity Summary
• Three market segments identified for Chromasun MCT product
Segment A
Process Heat
Applications
• Hot Water
• Heating Hot
Water
• Steam
Large market
Existing Solar
Channel Partners
Segment B
Solar Heat Pump
Applications
• Chilled Water
• Hot Water
Undeveloped market
Inexperienced
Channel Partners
Segment C
Hybrid
Applications
• Electricity
• Hot Water
Unknown market
Existing Solar
Channel Partners
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AM 1.5 Solar Spectrum – PV Capture
<50%
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AM 1.5 Solar Spectrum - Unharnessed
<50%
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Australian National University – CHAPS (2004)
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Euclides II
IDEOCONTE Project test sites:
Ferrara (Italy), Stuttgart
(Germany) and Madrid (Spain)
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Hybrid-MCT (PV + Thermal)
Thermal Energy
Capture
Concentrating PV receiver option for Electrical and
Thermal Output (<90ºC)
15% PV + 50% Thermal = 65% Total Yield
Diffuse Light is available for Day-lighting
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MCT-Hybrid Efficiency
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Temperature Difference (Tm-Ta) [C]
Flat Plate Collector Efficiency
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MCT-Hybrid Initial results
• Electrical output 305 W
• Thermal output 1580 W
• >65% Solar Harvest
• High Voltage / Low Current design minimized losses and increases inversion efficiency
• Shipping in 2012
• Won $3.2M Grant in conjunction with the CSIRO, ANU and UNSW to develop high temperature hybrid (150ºC/300ºF)
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Shared Integration Cost
Thermal PV Installation
Cost
Technology cost is only 50% of the total system cost so
coupling the installation of PV and Thermal together reduces
the total installed cost ($/W) and ultimately LCOE
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Low Temperature Solar Cooling
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Day-lighting MCT
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Shared Integration Cost
Thermal
Daylighting PV
Integration cost could further be shared with the
installation cost allocated for day-lighting
Installation
Cost
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Chromasun’s Global Approach to Testing
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Solar Rating and Certification Corporation
• Tested to Standard 600 for Solar Concentrators
• Exposure tested at 179ºC (354ºF) which makes it the
highest temperature rated solar collector in the USA
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Thermal PPA’s
$-
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$1.00
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$1.80
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Oct-
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Historical Natural Gas Price
9.5%
?
• 30% Federal
ITC
• 100% Bonus
Depreciation
• CSI Thermal
Rebate
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Chromasun 10MW / Annum San Jose facility
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MCT Summary
• Chromasun MCT is based on existing CSP technology and over a decade
of experience in large-scale solar
• Concentrating the sun’s energy enables the MCT to consistently deliver up
to 220ºC (440ºF) on the rooftop
• MCT has no externally moving parts, reducing O&M
• Unlike other concentrating technologies, cleaning is limited to flat glass
(automated cleaning system in development)
• MCT can be turned on a off which provides safe operation
• MCT is a durable, industrial grade product with sturdy installation method
• The delivery of higher grade heat enables compatibility with absorption
chillers and thermally driven heat pumps
• Aperture efficiency will reach 75% by the end of 2011
• Hybrid MCT to be showcased in Q4 2011 (Funding round in Q3/Q4)
• Project financing available through Chromasun