An Overview of One-Sun Solar Thermal Technology
An Overview of One-Sun Solar Thermal Technology
An Overview of One-Sun Solar Thermal Technology
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<strong>Solar</strong> Water Heaters (SWH)<br />
• Successful market in Europe, China<br />
• Europe: High energy costs, environmentally conscious<br />
• China: low system costs, no other options in many cases<br />
• Poor market in the U.S.<br />
• Robust market (~1B$/yr) during tax credit era 1979-1984<br />
• Market collapse in 1984<br />
• Low energy costs + high system cost:<br />
» 10-50 year paybacks<br />
» Sales: ~ 6K systems/year<br />
» 2005 Energy Policy Act:<br />
Up to $2000 rebate: increased sales?<br />
SEET <strong>Solar</strong> <strong>Thermal</strong> Seminar 7/26/07
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