Operational Incident Update
HPCL Provides Update on Rajasthan Refinery Fire Incident
NSE
hindpetro
BSE
500104
Hindustan Petroleum Corporation Limited (HPCL) has provided an update on the fire incident at its Rajasthan refinery, confirming limited damage, identifying the probable cause, and outlining restoration timelines with expected restart in May 2026
PRICE-SENSITIVE TRIGGER
Event: Refinery Fire Update
Type: Operational Incident Update
Impact: Neutral
Immediate Effect: Limited operational disruption with defined recovery timeline; no major long-term impact indicated

Key Metrics:
- Affected Equipment: 6 heat exchangers
- Restoration Timeline: 3–4 weeks
- Restart Timeline: 2nd fortnight of May 2026
Highlight:
- Damage localized; operations expected to normalize quickly
What Happened ?
HPCL informed exchanges about developments following the fire incident on April 20, 2026 at the Crude Distillation Unit (CDU) of HPCL Rajasthan Refinery Limited (HRRL).
key highlights
- Fire localized in heat exchanger stack
- Impact limited to:
- 6 exchangers
- Supporting equipment
- Probable cause:
- Leakage from pressure gauge tapping point
- Located at vacuum residue exchanger inlet line
- Restoration:
- Work in progress
- Completion expected in 3–4 weeks
- Restart:
- CDU restart expected May 2026 (2nd fortnight)
- Operations:
- Secondary units already nearing commissioning
- Trial production expected within May 2026
Note:
- No indication of structural damage or widespread refinery shutdown
Risk Analysis
Key Risks
- Short-term production loss from CDU shutdown
- Potential delay in full stabilization
- Operational risks until full restart
- Investigation findings could reveal deeper issues
Worst Case Scenario
- If restart delays extend, it may impact refining throughput and revenue temporarily
Risk Level: Medium
Company Commentary
- Fire was localized and contained
- Root cause identified as equipment leakage
- Restoration progressing as per plan
- Operations expected to resume in May 2026
Official Exchange Filing: Hindustan Petroleum Corporation Limited