Department of Energy, Utilities and Sustainability  NEW SOUTH WALES GOVERNMENT Sustainable Energy Development Office Government of Western Australia
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Section 4.3 Buying New Equipment Calculator

Estimated life of equiptment:
years

- How many years will it be before you have to replace the equipment?

   
1. Power input - insert kilowatts

- Standby mode means the equipment is on but not doing anything useful.

   
Power input when in standby mode :
kilowatts

- How many kilowatts does the equipment use when in standby mode? Look in the equipment manual or ask your supplier. To change from watts to kilowatts, divide by 1000.

   
Power input when in operation:
kilowatts      


2. Total energy consumption by converting power input to kilowatt hours (kWh)    

Operating hours when in standby mode (per year) :
hrs

- How many hours is your equipment on standby mode per day? Multiply this by the number of working days in a year.

   
Operating hours when in operation (per year) :
hrs      


3. Running costs          
Average electricity price ($ per kWh) :
 

- You can find this on your electricity bill. Don't forget to include the demand and useage charges.

   
Annual maintenance costs:
 

- How much does it cost each year to maintain and service the equipment?

   
Purchase price of equipment:
 

- Ask the supplier of equipment for this information.

   


Savings over the equipment's life    
Estimated conversion cost (e.g. parts and labour)
 

- What's the difference in purchase price between equipment A and B?

   
Is the space air conditioned?
       
Select your state:
       


 
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