Nvalue RES labels offer

Nvalue renewable energy certificates offers can be coupled with the major labels available in the market.

OK-power standard

OK-power is a German green label awarded by the EnergieVision association. It was founded in 2000 by the Öko-Institut, the consumer association in Nordrhein-Westfalen and the World Wide Fund for Nature (WWF) Germany. Through OK-power labels, consumers can easily identify the green value quickly and safely.


Generation EE is a German eco-standard managed by TÜV Süd and recognized in numerous countries. The TÜV EE standard stands as a proof of the origin of electricity coming from renewable sources. Optional qualifications: 

  • power guarantees (Generation EE+)
  • new hydropower installations (Generation EEnew)

Certification of the generation of electricity from renewable sources  

Certificates complying with the TUV SUD EE01 criteria

TÜV EE01 is a German eco-standard managed by TÜV Süd. TÜV EE01 standard stands for 100% renewable energy, where at least 30% is generated in new power stations or the revenues are used to support the effort against climate change particularly the extension of generation capacity from renewable energy sources.

Certification Criteria

Naturemade star and naturemade basic

Naturmade is the Swiss quality mark for ecologically produced energy (naturmade star) and energy from renewable sources (naturmade basic). The mark is awarded after thorough inspection by the Association for Environmentally Sound Energy (VUE).

Naturemade Basic Naturemade Star

100% energia verde

100% energia verde is the first Italian label that guarantees the quality of the electricity coming from renewable and sustainable sources. It ensures that:

  • the electricity comes exclusively from renewable sources that also minimize the environmental impact and are therefore sustainable
  • the traceability of the entire electricity chain

Nvalue renewable energy certificates can also be coupled with physical power supplies.

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TRU Certificates

TÜV SÜD Renewable Units are certificates issued by TÜV SÜD. 

TRU proves the origin of electricity produced from power plants certified according to the TÜV SÜD Generation EE standards for "Generation of electricity from renewable sources".

Green energy certificates

Renewable energy wholesaler

Nvalue supply renewable power through a broad range of green certificates.

RES certificates offer

RES labels offer

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