HV · High voltage
The transmission-class voltage at the point of interconnection and the GSU transformer; HV breakers and switchgear are among the longest-lead items on a campus schedule.
Current numbers
>160 wkUS HV/substation power-transformer lead time (Wood Mackenzie, May 2026) setting equipment-delivery risk in supply agreements
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
~44 wkU.S. average switchgear lead time (Wood Mackenzie, Q2 2025), voltage class unspecified; HV gear takes far longer (separate claim)