Change analysis for United Kingdom for PRIMAP-hist v2.7_final compared to v2.6.1_final

Overview over emissions by sector and gas

The following figures show the aggregate national total emissions excluding LULUCF AR6GWP100 for the country reported priority scenario. The dotted linesshow the v2.6.1_final data.

The following figures show the aggregate national total emissions excluding LULUCF AR6GWP100 for the third party priority scenario. The dotted linesshow the v2.6.1_final data.

Overview over changes

In the country reported priority scenario we have the following changes for aggregate Kyoto GHG and national total emissions excluding LULUCF (M.0.EL):

• Emissions in 2023 have changed by -1.6%% (-6261.42 Gg CO2 / year)
• Emissions in 1990-2023 have changed by 0.2%% (1404.74 Gg CO2 / year)

In the third party priority scenario we have the following changes for aggregate Kyoto GHG and national total emissions excluding LULUCF (M.0.EL):

• Emissions in 2023 have changed by -1.0%% (-3967.77 Gg CO2 / year)
• Emissions in 1990-2023 have changed by -0.1%% (-348.78 Gg CO2 / year)

Most important changes per scenario and time frame

In the country reported priority scenario the following sector-gas combinations have the highest absolute impact on national total KyotoGHG (AR6GWP100) emissions in 2023 (top 5):

• 1: 1.A, CO2 with -8846.83 Gg CO2 / year (-3.0%)
• 2: 4, CH4 with 1319.39 Gg CO2 / year (7.9%)
• 3: 2, CO2 with 1030.43 Gg CO2 / year (6.1%)
• 4: 3.A, CH4 with -324.83 Gg CO2 / year (-1.2%)
• 5: 1.B.1, CH4 with 205.52 Gg CO2 / year (43.9%)

In the country reported priority scenario the following sector-gas combinations have the highest absolute impact on national total KyotoGHG (AR6GWP100) emissions in 1990-2023 (top 5):

• 1: 4, CH4 with 1045.94 Gg CO2 / year (2.3%)
• 2: 4, CO2 with -160.11 Gg CO2 / year (-25.8%)
• 3: 1.A, CH4 with 138.92 Gg CO2 / year (7.4%)
• 4: 3.A, N2O with 95.31 Gg CO2 / year (4.2%)
• 5: 2, CO2 with 87.40 Gg CO2 / year (0.3%)

In the third party priority scenario the following sector-gas combinations have the highest absolute impact on national total KyotoGHG (AR6GWP100) emissions in 2023 (top 5):

• 1: 1.A, CO2 with -3965.35 Gg CO2 / year (-1.3%)
• 2: 2, N2O with -1.48 Gg CO2 / year (-0.1%)
• 3: 1.B.3, CO2 with -0.95 Gg CO2 / year (-3.8%)
• 4: 1.B.1, N2O with -0.00 Gg CO2 / year (-13.6%)
• 5: 1.A, CH4 with 0.00 Gg CO2 / year (0.0%)

In the third party priority scenario the following sector-gas combinations have the highest absolute impact on national total KyotoGHG (AR6GWP100) emissions in 1990-2023 (top 5):

• 1: 1.A, CO2 with -348.69 Gg CO2 / year (-0.1%)
• 2: 2, N2O with -0.06 Gg CO2 / year (-0.0%)
• 3: 1.B.3, CO2 with -0.03 Gg CO2 / year (-0.4%)
• 4: 1.B.1, N2O with -0.00 Gg CO2 / year (-0.1%)
• 5: 1.A, CH4 with 0.00 Gg CO2 / year (0.0%)

Notes on data changes

Here we list notes explaining important emissions changes for the country.

• Data from BTR1 has been replaced by data from the 2025 National Inventory Submission. This leads to changes in several sectors and gases which are small in terms of total emissions.
  • The main change for 2023 is a 3% reduction in energy CO2 emissions where 2023 growth rates in the CR data are lower than the growth rates in EI2024 used for extrapolation in PRIMAP-hist v2.6.1.
  • Waste CH4 emissions have changed for all years due to a change in emissions factors especially for solid waste disposal.
  • Waste CO2 emissions are lower for all years because activity data for incineration of non-biogenic waste and open waste burning has been updated.
  • 2023 emissions for several sectors and gases have changed because data based on extrapolation with third party growth rates has been replaced by country reported data.
    
  • CH4 from 1.A is higher for all years mainly because of reduced activity data for the use of biomass.
  • N2O from livestock is higher for all years mainly due to a higher emissions factor for N2O from dairy cattle manure management.
• Changes in the TP scenario are very small and mainly come from the updated EI data for energy CO2.

Changes by sector and gas

For each scenario and time frame the changes are displayed for all individual sectors and all individual gases. In the sector plot we use aggregate Kyoto GHGs in AR6GWP100. In the gas plot we usenational total emissions without LULUCF.

country reported scenario

2023

1990-2023

third party scenario

2023

1990-2023

Detailed changes for the scenarios:

country reported scenario (HISTCR):

Most important changes per time frame

For 2023 the following sector-gas combinations have the highest absolute impact on national total KyotoGHG (AR6GWP100) emissions in 2023 (top 5):

• 1: 1.A, CO2 with -8846.83 Gg CO2 / year (-3.0%)
• 2: 4, CH4 with 1319.39 Gg CO2 / year (7.9%)
• 3: 2, CO2 with 1030.43 Gg CO2 / year (6.1%)
• 4: 3.A, CH4 with -324.83 Gg CO2 / year (-1.2%)
• 5: 1.B.1, CH4 with 205.52 Gg CO2 / year (43.9%)

For 1990-2023 the following sector-gas combinations have the highest absolute impact on national total KyotoGHG (AR6GWP100) emissions in 1990-2023 (top 5):

• 1: 4, CH4 with 1045.94 Gg CO2 / year (2.3%)
• 2: 4, CO2 with -160.11 Gg CO2 / year (-25.8%)
• 3: 1.A, CH4 with 138.92 Gg CO2 / year (7.4%)
• 4: 3.A, N2O with 95.31 Gg CO2 / year (4.2%)
• 5: 2, CO2 with 87.40 Gg CO2 / year (0.3%)

Changes in the main sectors for aggregate KyotoGHG (AR6GWP100) are

• 1: Total sectoral emissions in 2022 are 316057.12 Gg CO2 / year which is 77.4% of M.0.EL emissions. 2023 Emissions have changed by -2.8% (-8536.96 Gg CO2 / year). 1990-2023 Emissions have changed by 0.1% (293.20 Gg CO2 / year). For 2023 the changes per gas are:
  
  The changes come from the following subsectors:
  • 1.A: Total sectoral emissions in 2022 are 308695.93 Gg CO2 / year which is 97.7% of category 1 emissions. 2023 Emissions have changed by -2.9% (-8753.37 Gg CO2 / year). 1990-2023 Emissions have changed by 0.1% (244.46 Gg CO2 / year). For 2023 the changes per gas are:
    
    There is no subsector information available in PRIMAP-hist.
  • 1.B.1: Total sectoral emissions in 2022 are 840.47 Gg CO2 / year which is 0.3% of category 1 emissions. 2023 Emissions have changed by 69.3% (326.52 Gg CO2 / year). 1990-2023 Emissions have changed by 0.7% (51.82 Gg CO2 / year). For 2023 the changes per gas are:
    
    There is no subsector information available in PRIMAP-hist.
  • 1.B.2: Total sectoral emissions in 2022 are 6497.07 Gg CO2 / year which is 2.1% of category 1 emissions. 2023 Emissions have changed by -1.7% (-109.15 Gg CO2 / year). 1990-2023 Emissions have changed by -0.0% (-3.06 Gg CO2 / year).
• 2: Total sectoral emissions in 2022 are 29198.82 Gg CO2 / year which is 7.2% of M.0.EL emissions. 2023 Emissions have changed by 3.7% (977.16 Gg CO2 / year). 1990-2023 Emissions have changed by 0.2% (117.72 Gg CO2 / year). For 2023 the changes per gas are:
  
  
• M.AG: Total sectoral emissions in 2022 are 42299.06 Gg CO2 / year which is 10.4% of M.0.EL emissions. 2023 Emissions have changed by 0.0% (18.41 Gg CO2 / year). 1990-2023 Emissions have changed by 0.3% (140.03 Gg CO2 / year).
• 4: Total sectoral emissions in 2022 are 20027.79 Gg CO2 / year which is 4.9% of M.0.EL emissions. 2023 Emissions have changed by 6.9% (1279.97 Gg CO2 / year). 1990-2023 Emissions have changed by 1.8% (853.79 Gg CO2 / year). For 2023 the changes per gas are:
  
  
• 5: Total sectoral emissions in 2022 are 779.54 Gg CO2 / year which is 0.2% of M.0.EL emissions. 2023 Emissions have changed by 0.0% (0.00 Gg CO2 / year). 1990-2023 Emissions have changed by 0.0% (0.00 Gg CO2 / year).

third party scenario (HISTTP):

Most important changes per time frame

For 2023 the following sector-gas combinations have the highest absolute impact on national total KyotoGHG (AR6GWP100) emissions in 2023 (top 5):

• 1: 1.A, CO2 with -3965.35 Gg CO2 / year (-1.3%)
• 2: 2, N2O with -1.48 Gg CO2 / year (-0.1%)
• 3: 1.B.3, CO2 with -0.95 Gg CO2 / year (-3.8%)
• 4: 1.B.1, N2O with -0.00 Gg CO2 / year (-13.6%)
• 5: 1.A, CH4 with 0.00 Gg CO2 / year (0.0%)

For 1990-2023 the following sector-gas combinations have the highest absolute impact on national total KyotoGHG (AR6GWP100) emissions in 1990-2023 (top 5):

• 1: 1.A, CO2 with -348.69 Gg CO2 / year (-0.1%)
• 2: 2, N2O with -0.06 Gg CO2 / year (-0.0%)
• 3: 1.B.3, CO2 with -0.03 Gg CO2 / year (-0.4%)
• 4: 1.B.1, N2O with -0.00 Gg CO2 / year (-0.1%)
• 5: 1.A, CH4 with 0.00 Gg CO2 / year (0.0%)

Changes in the main sectors for aggregate KyotoGHG (AR6GWP100) are

• 1: Total sectoral emissions in 2022 are 321519.24 Gg CO2 / year which is 78.0% of M.0.EL emissions. 2023 Emissions have changed by -1.3% (-3966.28 Gg CO2 / year). 1990-2023 Emissions have changed by -0.1% (-348.71 Gg CO2 / year).
• 2: Total sectoral emissions in 2022 are 25008.60 Gg CO2 / year which is 6.1% of M.0.EL emissions. 2023 Emissions have changed by -0.0% (-1.48 Gg CO2 / year). 1990-2023 Emissions have changed by -0.0% (-0.06 Gg CO2 / year).
• M.AG: Total sectoral emissions in 2022 are 53859.65 Gg CO2 / year which is 13.1% of M.0.EL emissions. 2023 Emissions have changed by 0.0% (0.00 Gg CO2 / year). 1990-2023 Emissions have changed by 0.0% (0.00 Gg CO2 / year).
• 4: Total sectoral emissions in 2022 are 11276.57 Gg CO2 / year which is 2.7% of M.0.EL emissions. 2023 Emissions have changed by 0.0% (0.00 Gg CO2 / year). 1990-2023 Emissions have changed by 0.0% (0.00 Gg CO2 / year).
• 5: Total sectoral emissions in 2022 are 779.54 Gg CO2 / year which is 0.2% of M.0.EL emissions. 2023 Emissions have changed by 0.0% (0.00 Gg CO2 / year). 1990-2023 Emissions have changed by 0.0% (0.00 Gg CO2 / year).