Green Electricity
Green electricity is electrical energy generated from renewable sources such as wind, sun, water, or biomass.
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Detailed Explanation
Green electricity refers to electricity from renewable energy sources. In Germany, electricity providers must prove the origin of their electricity.
Green electricity sources: - Wind power (onshore and offshore) - Solar energy (photovoltaics) - Hydropower - Biomass - Geothermal
Certifications: - Gruner Strom Label (strict) - ok-power seal (with investment criterion) - TUV certificates - Without certification: Only guarantees of origin
Guarantees of Origin (GO): - European system for electricity labeling - May differ from physical delivery - "Gray electricity" can become "green electricity" through GO
Costs: - Green electricity often only 1-2 ct/kWh more expensive - Sometimes even cheaper than basic supply - Competition has lowered prices
Practical Example
The Schmidt family switches to a green electricity tariff with the ok-power seal. The tariff costs 29 ct/kWh - the same as their previous conventional tariff, but the electricity now comes from German wind farms.
Legal Basis
§42 EnWG, EU Directive 2018/2001 (RED II)