Power Plant Abbreviations and Acronyms

1. HIS
   Human System Interface
2. HIVOLT
   High Voltage
3. HL
   Heat Loss
4. HLD
   Holding
5. HLDG
   Holding
6. HNDLG
   Handline
7. HO
   House
8. HO
   Heavy Oil
9. HO
   Hopper
10. HOCL
    Hypochlorite
11. HOLD
    Holding
12. HOLR
    Monitor
13. HOR
    Horizontal
14. HORIZ
    Horizontal
15. HP
    Horse Power
16. HP
    High Pressure
17. HPR
    Hopper
18. HPSV
    High Pressure Stop Valve
19. HR
    Heat Rate
20. HRH
    Hot Reheat

Last updated: May 6, 2025 — Total entries: 2,453