The purpose of this energy calculator is to help you determine the average electricity consumption of each of your electrical appliances and their contribution to your monthly electricity bill. Also it shows how much electricity / money you can save if old appliance is replaced with Energy Efficient appliance.

How to Use the Calculator

Step 1: Fill the Cost of Electricity.
Step 2: Fill the quantity for each of the appliances.
Step 3: The calculator will display the electricty consumption (in kWh) & electricty saving (in kWh) for each appliance per annum and sunbsquent cost saving.
For example: If you are using 1 bulb of 100W for 8 hour a day (200 days in a year), then you should fill in as follows:
Cost of Electricity = Rs 7.0 per unit (Assumed)

Appliance	Rating / Wattage (W)	Qty	No.of Hours of use per day	No.of Day	Annual Electricity Consumption (kWh)	Annual Electricity Bill Cost (IN Rs)	Energy Efficient Appliance	Energy Efficient Appliance Rating / Wattage (W)	Annual Electricity Consumption (kWh)	Annual Electricity Bill Cost (IN Rs)	Annual Electricity Saving (kWh)	Annual Electricity Bill Saving (IN Rs)
Incandescent Bulb	100	1	8	200	160	1,120.00	LED Bulb	9	14.4	100.80	145.6	974.40

The calculator shows that your Incandescent Bulb consumes on ..160... kWh per annuam and it contributes Rs .1120.00.. to your annual electricity bill. By replacing the old bulb with Energy Efficient 9 watt LED bulb you can reduce your consumpation up to 145.6 kWh per annum which reduces your electricity bill from Rs 1120.00 to Rs. 100.80

Appliance	Rating / Wattage (W)	Quantity	No.of Hours of use per day	No.of Day	Annual Electricity Consumption (kWh)	Annual Electricity Bill Cost (IN Rs)	Energy Efficient Appliance	Energy Efficient Appliance Rating / Wattage (W)	Annual Electricity Consumption (kWh)	Annual Electricity Bill Cost (IN Rs)	Annual Electricity Saving (kWh)	Annual Electricity Bill Saving (IN Rs)

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