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Carbon footprints are measured in carbon dioxide equivalents (CO2e), which is a simplified scientific metric for greenhouse gas (GHG) emissions. But to a business, what really matters is the financial cost!
By looking at the price your SME pays for a tonne of carbon emissions, you can better visualise what your carbon footprint looks like, as well as calculate the money saved by running a greener operation.
Over recent years the average natural gas tariff for UK businesses has remained stable, with the price of emitting a tonne of GHGs costing £212.
Annually, the average UK SME creates a carbon footprint of 4.5 tonnes through natural gas consumption, paying £955.
The following table highlights the increase/decrease in your gas bill based on a change in your level of GHG emissions. Here we’ve modelled what an extra few T of CO2 emissions would cost you, if it was represented purely in terms of your gas consumption.
| Costs of Increasing / Reducing Natural Gas Carbon Footprint |
|---|
| Tonnes / emissions | Price / tonne | Annual cost |
|---|---|---|
| 1.5 tonnes | £212 | £318 |
| 3 tonnes | £212 | £636 |
| 4.5 tonnes | £212 | £954 |
| 7 tonnes | £212 | £1,484 |
| 10 tonnes | £212 | £2,120 |
| 20 tonnes | £212 | £4,240 |
| 50 tonnes | £212 | £10,600 |
The above scenarios highlight that carbon footprints bring a hefty price tag, and that a smaller carbon footprint is a cheaper one. But, this isn’t the only benefit of reduced emissions.
By also marketing your reduction in carbon emissions, you’ll show consumers that you’ve listened to their sustainable demands, which can help capture new customers and increase sales.
For business, there’s money to be made and saved through a smaller carbon footprint!
All figures needed to calculate the cost of natural gas GHG emissions are highlighted below
Natural gas is sold by the kilowatt hour (kWh).
| Natural gas | Carbon emissions / kWh (kgCO2e / kWh) |
kWh / kg gas (kWh / kgCH4) |
|---|---|---|
| methane, CH4 | 0.180 kgCO2e | 15kWh |
| Natural gas carbon footprint (methane, CH4) |
Gas consumption (kWh) |
Price / kWh gas | Carbon emissions / kWh gas | Gas Bill (£212 x tonnes of emissions) |
|---|---|---|---|---|
| 4.5 tonnes UK SME average |
25,000 kWh UK SME average |
£0.0382 | 0.180kg | £955 |
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