Carbon conversion factors for 2020 have recently been released by the Department for Business, Energy & Industrial Strategy (BEIS). Find the highlights below. The methodology for determining carbon dioxide equivalents (CO2e) remains the same year on year except where changes are outlined.
As the main UK electricity grid continues to decarbonise with the increase in use of renewable sources, the carbon factor has decreased again this year by 8.79%.
Year on year percentage change in carbon conversion factor (Kg Co2e)
- 2011 – 0.45205
- 2012 – 0.46002 (2% increase)
- 2013 – 0.44548 (3% decrease)
- 2014 – 0.49426 (11% increase)
- 2015 – 0.46219 (6.5% decrease)
- 2016 – 0.41205 (10.84% decrease)
- 2017 – 0.35156 (14.68% decrease)
- 2018 – 0.28307 (19.48% decrease)
- 2019 – 0.2556 (9.70% decrease)
- 2020 – 0.23314 (8.79% decrease)
Main changes and additions
The methodology has been amended for the calculation of emission factors for both traditional and electric cars due to a change in the regulatory testing. This has resulted slight decrease in factor.
Factors for biodiesel have been aligned to National Atmospheric Emissions Inventory methodologies. This has resulted in a substantial increase (around 420%) compared to 2019 factors.
Waste oil and lubricants properties are now included.
Additional factors included to assist Streamlined Energy and Carbon Reporting (SECR)
SECR reporting came into place since 1 April 2019 with obligations differing between quoted ad quoted businesses covering Scope 1, Scope 2 and Scope 3 emissions. Factors within the BEIS document can be used to report energy use and emissions from activities for which the company is responsible. Additional factors have been included to cover transport where companies may have two types of data (by fuel consumption or journey distance) which they can use to calculate vehicle emissions (cars, vans and HGVs owned or controlled by the company).
Factors have been revised and increased due to an improvement of data.
Find more detail on methodology and the factors on the BEIS website.
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