# Fusion energy gain factor

> Ratio of fusion power produced in a fusion reactor to the power needed to keep it running

**Wikidata**: [Q5510279](https://www.wikidata.org/wiki/Q5510279)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Fusion_energy_gain_factor)  
**Source**: https://4ort.xyz/entity/fusion-energy-gain-factor


## References

1. Freebase Data Dumps. 2013