In the future, companies will have to prove more clearly how their raw materials and products were produced.
(Photo: Bloomberg)
Munich, Salzgitter Whether CO2 balance, green electricity purchase or green steel: In the future, how sustainably companies operate will be an important part of their evaluation on the capital markets – and for customers a decisive criterion. The problem: How do you prove that, for example, green hydrogen is really green, i.e. it is generated with electricity from renewable energies?
Today, most companies do not even collect their real data, but only use average values. Or they enter the numbers individually and by hand in a table. There can be no talk of rules, standards or verifiable procedures.
The energy technology group Siemens Energy has now developed a fully automatic certification system together with Tüv Süd and the German Energy Agency (Dena). The so-called Clean Energy Certification System is based on blockchain technology.
How a forgery-proof certificate is created
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