GWP · Global Warming Potential
A gas's warming effect relative to CO2, usually over 100 years. EU and US rules cap it for refrigerants and switchgear gases, and EU building rules now require a life-cycle GWP figure.
Current numbers
1 Jan 2026EU bars new F-gas switchgear entering operation: ≤24 kV 2026, >24–52 kV 2030, GWP≥1 HV bands 2028/2032; Art. 13 exceptions