Enter your average monthly consumption of (a) & (b)
(a) Mains electricity (kWh):
Formula: Annual CO2e emitted = 12 x (0.119kg per kWh used each month) Source: NZMFE, 2016
(b) Mains gas (kWh):
Formula: Annual CO2e emitted = 12 x (0.194kg per kWh of gas burned each month) Source: NZMFE
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Enter your annual consumption of (c) & (d)
(c) Number & size of LPG gas bottles:
9kg
45kg
90kg
210kg
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(d) Wood for indoor fires:
Amount
Units
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Formula: CO2e emitted = 3.03kg 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
Formula: CO2e emitted = 1.07kg per kg of wood burned Source: NZMFE
(e) Coal for indoor fires:
Formula: CO2e emitted = 1.91kg per kg of coal burned Source: NZMFE
