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Transcript of 3kWe Solar Thermal Demonstration at Eckerd College Matt Orosz - .
3kWe Solar Thermal Demonstration at Eckerd College
Matt Orosz - www.stginternational.org
Project Goals:
1. Demonstrate the viability and technical performance of micro CHP using solar thermal collectors and ORC (Organic Rankine Cycle) technology
2. Training and R&D platform for STG International mission
3. Provide Eckerd with a teaching tool and sustainable energy platform for student learning
4. Produce emissions free power
U.S. 501 (c) 3 Organization - Solar ORC development, mission focus on rural electrification in Africa [email protected]
Technology Partners:
U.S. (Hawaiian based) - Parabolic trough collector manufacturer [email protected]
Germany - Ground screw manufacturer [email protected]
Engineering and Project Management:McCarthy Engineering Associates (FL based) - [email protected]
Project Host and Community Outreach:
St. Petersburg FL - [email protected]
Technology Overview: Solar Organic Rankine Cycle
Combined Heat and Power (Eckerd Demonstration)
Operating Temperature: 150°CHTF: Propylene GlycolWorking Fluid: R245fa
Collectors: SopoNova 4ORC: STG-3
Background: APS Saguaro, Arizona U.S.
• Worlds first commercial Solar ORC power plant came online in 2006
• 1 MW capacity
• $6/Watt Install cost
No plans for further deployment of the technology due to:
• Small scale, diseconomies of production for manufacturers
• High installed cost, high levelized cost of electricity (~$0.17/kWh)
1kWe Solar ORC prototype, Lesotho in Southern Africa 2007STG International
20-year design lifetime
Panels & install:
$40,000
Underserved Markets & Opportunities
Sub-Saharan Africa - 6,300 rural clinics = $315 million
- $8 billion market for Diesel technologies growing 28% per year
8
India - 4,900 rural clinics = $245 million
Southeast Asia - Cambodia, Laos, Thailand
South America - Peru, Chile
$250 millionCarbon Credits
Potential subsidy under CDM framework
Eckerd Demonstration 2010: 20 SopoNova Collectors, mounted on Krinner Ground Screws, supplying 30kW thermal energy to an STG 3kW ORC
Project Timeline:Groundbreaking:February 2010Collector Field Completion: July 2010ORC Commissioning:September 2010-Jan 2011
Eckerd Demonstration Partnership Needs:
General Contractor Services:
1. Site Surveying2. Assembly of SopoNova parabolic trough components3. Consultation/Assistance with proposed electrical
interconnect with Eckerd (via ATS) and net metering infrastructure
Benefits:
1. High visibility support of innovative clean energy project2. Partnership with clean tech companies3. Participate in setting goals for project cost and performance
data collection4. Tax deductible contribution