Energy Costs

Formula:	kW x hrs run x cost /unit power
	motor eff x mech eff x 100

Assumptions:	1	On - load time	%
	2	Off - load time	%
	3	Working weeks per year
	4	Working days per week
	5	Motor efficiency on load	%
	6	Motor efficiency off-load	%
	7	Mechanical efficiency on load	%
	8	Mechanical efficiency off load	%
	9	Total kW	kW
	10	Hours per Day
	11	Cost/unit of Electicity	p