# Open Collections

## UBC Social Ecological Economic Development Studies (SEEDS) Student Reports

### An investigation into induction stovetops versus gas stovetopsQin, Lei2012

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	    = 22	  × 11	  + 8	  × 8	  × 30	     = 9180	
		 ℎ  And the average energy consumption per hour is:    "	#	\$	#	% &
    = 35000	()
		5	
)    = 0.0369	,-
		5	
)    = 0.00739	,-
		
)    = 67.8402	,-
		30	
)  13  Therefore, the average energy cost per 30 Stovetops per month is:    "	#	% 
		 ℎ    = 67.8402,- × \$1.073 + \$5.332 + \$800    = \$1234.25
		 ℎ  From the above calculations, the cost of energy each month is approximately \$1234.25. In the long run, 30 gas stovetops will cost approximately \$20K in a year, \$80K in 5 years and as much as \$220K in 15 years.                 14  6 Induction Stovetop – An Economical Assessment on its Energy Consumption  In most cases, in the lifetime of a stovetop, an induction stovetop is approximately 10% more efficient than its gas counterpart (Sains, 2002). Although induction stovetops do require an almost 50% more principal than a gas stovetop, in the long run, it is still a better choice. In the following section, a more detailed economical assessment of using the induction stovetop is presented.  In order to calculate the cost of using induction stovetops, various assumptions are made: 1) there will be 30 stovetops operating daily in the new Student Union Building; and 2) the new Student Union Building’s cafeteria will operate on average 11 hours per business day (Monday to Friday) and 8 hours per weekend (Saturday to Sunday).  As mentioned above, a commercial 5-buner induction stovetop unit typically costs approximately \$1800. The power consumption for each unit is typically 1800 Watts, which is approximately 3.5 KW-Hour. As the major supplier of electricity in British Columbia, BC Hydro charges the new SUB under Rate Schedule 1823 (BC Hydro, 2008) for commercial users at \$0.3271/KW-Hr. With these figures in mind, we calculate the approximate monthly cost of using 30 induction stovetops at the new Student Union Building cafeteria.  Assuming operating hour per month for 30 stovetops is:    	 	
	    = 22	  × 11	  + 8	  × 8	  × 30	     = 9180	
		 ℎ   15   And the average energy consumption per stovetop per hour is:    "	#	\$	#	% &
    = 1800	1
		5	
) = 0.36	21 ∙   Therefore, the average energy cost per 30 Stovetops per month is:    "	#	% 
		 ℎ    = 9180 × 0.36 × \$0.3271    = \$1081

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