Assumptions
Historical emissions
Taking into account the preliminary projections for 2018 as published by the German Federal Environment Agency in April 2019 (Umweltbundesamt, 2019a). The final official inventory data on greenhouse gas emissions in Germany for the year 2018 will be published by the Federal Environment Agency on 15 January 2020
Current policy projections
The current policy projections are based on two scenarios: one from the projection report (“Projektionsbericht”) (projection report) published by the Federal Environment Agency in September 2019, which includes all measures that were adopted until 31 August 2018 (German Federal Environment Agency, 2019). This means measures proposed in the Climate and Energy Package of September 2019 are not yet included. The scenario is also the basis for the “With Existing Measures” or WEM Scenario published by the European Environment Agency.
The other scenario, builds on the projection report but includes updated emissions for the energy sector for 2019 as reported by the Federal Association of the Energy and Water Industry (BDEW) (BDEW, 2019). The BDEW emission estimates for the energy sector in 2019 are at 263 MtCO2e and therefore 35 MtCO2e smaller than in the projection report. As a result, the discrepancy between these two scenarios reflects what would be possible if the energy sector was to continue along that path. The figures were harmonized to the latest inventory historical data.
Global Warming Potentials
The CAT uses Global Warming Potential (GWP) values from the IPCC's Fourth Assessment Report (AR4) for all its figures and time series. Assessments completed prior to December 2018 (COP24) used GWP values from the Second Assessment Report (SAR).
Further analysis
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