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Principles of Sustainable Energy Systems, Second Edition, 2nd Edition
book

Principles of Sustainable Energy Systems, Second Edition, 2nd Edition

by Frank Kreith, Susan Krumdieck
August 2013
Intermediate to advanced content levelIntermediate to advanced
790 pages
30h 5m
English
CRC Press
Content preview from Principles of Sustainable Energy Systems, Second Edition, 2nd Edition
131Economics of Energy Generation and Conservation Systems
2.7 A rooftop solar hot water heater with collector areas of 8 m
2
and storage of 640 L is
installed in Phoenix, Arizona, on a house that uses 160 L/day of hot water at 60°C.
Of the total energy required, 70% is supplied by solar energy (the solar fraction is
70%) and 30% is supplemented with an electric heater. The solar system costs $3000
for installation, whereas an electric water heater and tank for the same supply costs
$800 for installation. Assuming that the electricity cost is $0.10/kWh and does not
change over time, estimate the simple payback time for the solar hot water hea ...
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Publisher Resources

ISBN: 9781466556966