# Energy Glossary — 94 Terms Defined
## The Energy Codex · thecodex.expert/energy/glossary/
Last verified: April 2026 | Session 13 | 2026-05-03

94 energy terms fully defined with sources. A-Z searchable with JS filter. Categories: general, renewable, fossil, nuclear, storage, economics, policy. Key terms: LCOE, Betz limit, capacity factor, BECCS, CCGT, EGS, ITER, NZE, STEPS, NDC, Bifacial, Perovskite, LFP, SMR, V2G, PHWR, VVER, WACC, BWR, LNG, API gravity, kerogen, Hubbert curve. Every definition sourced (IEA, IRENA, NREL, World Nuclear Association, etc.).