# Guarantee of origin

> energy certificate defined in article 15 of the European Directive 2009/28/EC

**Wikidata**: [Q1478326](https://www.wikidata.org/wiki/Q1478326)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Guarantee_of_origin)  
**Source**: https://4ort.xyz/entity/guarantee-of-origin