# energy returned on energy invested

> ratio of acquired energy to the amount of energy spent to obtain this energy

**Wikidata**: [Q1361106](https://www.wikidata.org/wiki/Q1361106)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Energy_return_on_investment)  
**Source**: https://4ort.xyz/entity/energy-returned-on-energy-invested