GSU · Generator Step-Up transformer
Transformer that raises on-site generator output to grid or distribution voltage for behind-the-meter power.
Current numbers
~128–160+ wklarge power transformer lead time (~144 wk GSU); up to ~5 yr in constrained markets — the schedule-dominating long pole
~128–160+ wkHV/substation transformer lead time (≈144 wk GSU; up to ~60 mo constrained) — OFE-by-default, pre-GC
~144–160+ wkGSU transformer lead time (standard power transformer ~128 wk); up to ~60 mo in constrained markets