Emissions:   Energy 

CO2e

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Enter your average monthly  consumption of (a) & (b)

(a)  Mains electricity (kWh):

Formula:

Annual CO2e emitted =

12 x (#kg per kWh used each month)

Source: NZMFE, 2016

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(b)  Mains gas (kWh):

Formula:

Annual CO2e emitted =

12 x (#kg per kWh of gas burned each month)

Source: NZMFE

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Enter your annual consumption of (c) & (d)

(c)  Number of LPG bottles of each size: 

9kg

Formula:

CO2e emitted = #kg per kg of LPG, where

a "9kg cylinder" contains 9 kg of LPG,

a 45kg cylinder contains 45 kg of LPG etc

Source: ELgas (NZ), NZMFE

45kg

90kg

210kg

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(d)  Wood for indoor fires: 

Amount

Formula:

CO2e emitted = #kg per kg of wood burned

Source: NZMFE

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(e)  Coal for indoor fires: 

Amount

Formula:

CO2e emitted = #kg per kg of coal burned

Source: NZMFE

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Units

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Total CO2e emissions as a result of energy use 

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