H/HA-class combined-cycle efficiency; the same frames reach about 43–44% in simple cycle (ISO, LHV). Mitsubishi's 2026 orders deliver 2028–2030 and GE Vernova's reservations reach 2032 (Sept 2026); installs 24–36 months
>60–64%observed
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| Scope | Combined-cycle net efficiency for H/HA/J-class frames (ISO, LHV). In simple cycle the same frames reach about 43–44% (MHI M501JAC 44.0%, GE 7HA.03 ~43.3%, Siemens Energy SGT6-9000HL >43.2%); no heavy frame reaches 48% in simple cycle. |
| As of | 2026-09 |
| Source | Mitsubishi Power; Grid Capacity Intelligence · GE Vernova, Morgan Stanley 14th Annual Laguna Conference transcript, 16 September 2026, p. 3 (Strazik: 'we've secured multiple slots or sold multiple slots for 2032 deliveries since our 2Q earnings call'; p. 5: 'single-digit gigawatts of commitments' for 2032): https://www.gevernova.com/sites/default/files/ge-vernova-morgan-stanley-laguna-conference-2026-transcript.pdf. Efficiency and Mitsubishi 2028-2030 delivery figures: Mitsubishi Power US power outlook (source_id). |
| Review | checking…review by 2027-03-31 · standard cadence |
| Recorded changes | last 2026-10-19 · 2 revisions tracked |
| Claim id | h-ha-class-combined-cycle-efficiency-vs-37-48 |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.