Solar Thermal

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Technical And Economic Viability Of A Solar System Depends Upon: • Amount of annual sunshine • Capital cost of the solar system • Prices of conventional fuels • Solar system annual O&M cost • Annual energy requirement and energy use profile • Temperature of hot water • Rate at which conventional fuels are escalating in price • Other (e.g. legislative mandates, tax credits)
Solar Hot Water is Worth Investigating When: 1. Hot water is used in large amounts, daily (absolutely or in terms of gallons per person per day) -- 365 days per year 2. Hot water is produced using electricity and it costs at least $0.055/kwh, or hot water is produced using gas or oil costing at least $8.00/million BTU 3. Tax credits or rebates are available 4. The building is properly oriented with respect to the sun 5. Space is available (on the roof?) for the solar panels 6. There is no need to worry about aesthetics 7. Good-to-excellent solar resource
Page 1: Solar Water Heating Is Not New! •
Page 5 and 6: Technology Overview • Low-tempera
Page 7 and 8: Which collector is best depends on
Page 9 and 10: Low Temperture Example: Barnes Fiel
Page 11 and 12: Mid Temperature Example: USCG Kiai
Page 13 and 14: High Temperature Example: Phoenix F
Page 15 and 16: Industrial Process Heating Gould El
Page 17 and 18: Passive, Integral Collector Storage
Page 19 and 20: Active, Open-loop, Pumped Direct Sy
Page 21 and 22: Mazatlan, Mexico; El Cid Mega Resor
Page 23 and 24: Tempering Valve to Prevent Scalding
Page 25 and 26: Tribal Opportunities in the Solar W
Page 27 and 28: Procuring Solar Water Heating Syste
Page 29 and 30: Help in implementing your solar wat
Page 31: Worksheet Solar Thermal Opportunity

Solar Thermal

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