soln to hmwk1 - Solar conventional FC $4,820.00 $1,000.00...

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Homework No. 1 problem a First cost difference Solar Conventional Differential cost $4,820.00 $1,000.00 $3,820.00 savings $104.80 $514.29 $409.49 simple payback $9.33 years Solar would need some routine maintenance problem b to clean collectors, check fluids, etc. Elec presnt worth analysis water heater requires essentially no maintenance. Solar conventional FC $4,820.00 $1,000.00 EC $4.80 $514.29 MC $100.00 $0.00 PWF esc 7.78 PWF nonesc 6.71 FC $4,820.00 $1,000.00 EC $37.34 $4,001.14 MC $671.00 $0.00 $5,528.34 $5,001.14 conventional system is a better investment but difference may not be too significant problem c if energy costs escalate more than perdicted
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Unformatted text preview: Solar conventional FC $4,820.00 $1,000.00 EC $4.80 $514.29 MC $100.00 replacement cost $1,000.00 assumes electrical must be PWF esc 10.48 redone also PWF nonesc 8.56 PWF replacement 0.46 FC $4,820.00 $1,000.00 EC $50.30 $5,389.71 MC $856.00 $0.00 RC $460.00 $5,726.30 $6,849.71 solar system is now a better investment problem d SIR $3,292.80 pv of savings PV of electrical Savings less PV o $3,820.00 PV of first cost differential sir = $0.86 less than 1.0 so not so good of solar maint cost...
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This note was uploaded on 09/06/2011 for the course EML 4930 taught by Professor Staff during the Fall '08 term at University of Florida.

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soln to hmwk1 - Solar conventional FC $4,820.00 $1,000.00...

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