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EnCalcEU Formulae

Version: 5.5
Size: 519KB
Released: 15-November-2011

EnCalcEU uses the following formulae to calculate the results:

Actual Results

Days	=	Date 2 - Date 1
Number Quarters ⁽¹⁾	=	The number of complete and partial quarters between Date 1 and Date 2
Number Months	=	The number of complete and partial months between Date 1 and Date 2
Normal Rate Units	=	Normal Rate Reading 2 - Normal Rate Reading 1
Cheap Rate Units	=	Cheap Rate Reading 2 - Cheap Rate Reading 1
Normal Rate 1 Units ^{(2, 3)}	=	Fixed Break Point: The lower value of: Normal Rate Units and ( Normal Rate 1/2 Break Point * Number Quarters or Months in Date 1 To Date 2 ) Fixed Break Point per Day: The lower value of: Normal Rate Units and ( Rate/Day * Days )
Normal Rate 2 Units	=	Normal Rate Units - Normal Rate 1 Units
Normal Rate 1 Cost	=	Normal Rate 1 Units * Normal Rate 1 Unit Cost
Normal Rate 2 Cost	=	Normal Rate 2 Units * Normal Rate 2 Unit Cost
Cheap Rate Cost	=	Cheap Rate Units * Cheap Rate Unit Cost
Total Fixed Charge	=	Fixed Charge * ( Number Quarters or Months)
Total Discount 1 ⁽⁴⁾	=	FIxed Amount: Discount 1 * ( Number Quarters or Months) Percentage: ( Normal Rate 1 Cost + Normal Rate 2 Cost + Cheap rate Cost +Total Fixed Charge 1 ) * ( Discount 1 % / 100 )
Total VAT ⁽⁵⁾	=	( Normal Rate 1 Cost + Normal Rate 2 Cost + Cheap rate Cost +Total Fixed Charge 1 -Total Discount 1 ) * ( VAT% / 100 )
Total Discount 2	=	Fixed Amount: Discount 2 * ( Number Quarters or Months) One Off Discount: Discount 2
Total Cost (inc VAT)⁽⁵⁾	=	Normal Rate 1 Cost + Normal Rate 2 Cost + Cheap rate Cost +Total Fixed Charge - Total Discount 1 + Total VAT - Total Discount 2
Cost per Day	=	Total Cost (inc VAT) / Days
Units per Day	=	( Normal Rate Units + Cheap Rate Units ) / Number Days
CO2 per Day (Kg)	=	CO2 Generated / Number Days
CO2 Generated (Kg)	=	(Total Number Of Normal Rate and Cheap Rate Units Used) * CO2 Conversion Factor

Notes
1. See Using EnCalcEU for an explanation of this formula.
2. The calculation method for Normal Rate 1 Units depends on the type of Rate 2 calculation chosen.
3. The Break Point per Day is rounded down to the nearest whole number.
4. Discount 1 can be either a fixed amount or a percentage of the cot before V.AT
5 . If the currency selected is not UK Pounds (£) or Euros ( €) then VAT is changed to Tax.

Predicted Results

Predicted Days	=	Date 1 + No Quarters To Predict Forward (This can be less than Actual Days)
Normal Rate Units	=	( ( Normal Rate Reading 2 - Normal Rate Reading 1 ) * Predicted Days ) / Actual Days
Cheap Rate Units	=	( ( Cheap Rate Reading 2 - Cheap Rate Reading 1 ) * Predicted Days ) / Actual Days
Normal Rate 1 Units ^{(2, 3)}	=	Fixed Break Point: The lower value of Normal Rate Units and ( Normal Rate 1/2 Break Point * Number Predicted Quarters or Months) Fixed Break Point per Day: The lower value of Normal Rate Units and ( Rate/Day * Number Predicted Days )
Normal Rate 2 Units	=	Normal Rate Units - Normal Rate 1 Units
Normal Rate 1 Cost	=	Normal Rate 1 Units * Normal Rate 1 Unit Cost
Normal Rate 2 Cost	=	Normal Rate 2 Units * Normal Rate 2 Unit Cost
Cheap Rate Cost	=	Cheap Rate Units * Cheap Rate Unit Cost
Total Fixed Charge	=	Fixed Charge * ( NumberPredicted Quarters or Months)
Total Discount 1 ⁽⁴⁾	=	FIxed Amount: Discount 1 * ( Number Quarters or Months) Percentage: ( Normal Rate 1 Cost + Normal Rate 2 Cost + Cheap rate Cost +Total Fixed Charge 1 ) * ( Discount 1 % / 100 )
Total VAT ⁽⁵⁾	=	( Normal Rate 1 Cost + Normal Rate 2 Cost + Cheap rate Cost +Total Fixed Charge 1 -Total Discount 1 ) * ( VAT% / 100 )
Total Discount 2	=	Fixed Amount: Discount 2 * ( NumberPredicted Quarters or Months) One Off Discount: Discount 2
Total Cost (inc VAT)	=	Normal Rate 1 Cost + Normal Rate 2 Cost + Cheap rate Cost +Total Fixed Charge - Total Discount 1 + Total VAT - Total Discount 2
CO2 Generated (Kg)	=	(Predicted Number Of Normal Rate and Cheap Rate Units Used) * CO2 Conversion Factor


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