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Making green transparent
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How green an electric car actually is on the road is primarily determined by how the electricity that propels it is generated. A project by SAP and other partners is shedding light on the origin and carbon footprint of the charged electricity.
Text: Dirk Gulde
Photos: SAP
Source: EUPD Research (2021)/BNetzA (2021)
Source: Digital Hub Mobility by UnternehmerTUM
Fluctuating carbon emissions in electricity generation
The black curve on the left symbolises the carbon content of a kilowatt hour generated over the course of a day. The figures differ enormously depending on the mix of power plants used to generate electricity. The amount of solar power (green curve) also varies considerably, meaning that the time at which an EV is charged has a huge impact on the carbon emissions figure.
