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Worksheet C - Performance And Cost Performance Analysis

PROJECT:


S'/L = RATIO OF DELIVERED SOLAR ENERGY TO THE HEATING LOAD
SHF = SOLAR HEATING FRACTION


MONTHLY HEAT LOSS (MILLIONS OF BTU)
MONTH S'/L SHF USEFUL ENERGY PRODUCED (MBTU) (SHFXL)
Jan      
Feb      
March        
April      
May      
June      
July      
Aug      
Sept      
Oct      
Nov      
Dec      
ANNUAL SOLAR ENERGY PRODUCED  
ANNUAL SOLAR HEATING FRACTION  
PRESENT COST OF CONVENTIONAL ENERGY  
MONEY SAVED IN THE FIRST YEAR  
ADDED COST OF THE SOLAR HEATING SYSTEM  
INSTALLED COST  
TAX CREDIT  
CONVENTIONAL HEATING SYSTEM CREDIT  
DOMESTIC HOT WATER CREDIT  
TOTAL ADDED COST  
   
ANNUAL INVESTMENT YIELD (TAX FREE)  


NOTE: THE ANNUAL INVESTED YIELD WILL INCREASE EACH YEAR AT THE RATE THAT CONVENTIONAL ENERGY PRICES INCREASE.




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