Key Takeaways
- A major fire and series of explosions erupted at Viva Energy’s Corio oil refinery in Geelong shortly after 11 p.m. on Wednesday, April 15, 2026, forcing workers to evacuate and sending large plumes of smoke toward nearby suburbs.
- The blaze damaged two gasoline production units, cutting the refinery’s output of petrol, diesel and jet fuel to minimum rates and affecting roughly half of Victoria’s and 10 % of Australia’s fuel supply.
- Fire Rescue Victoria contained the fire to a 30 × 30 metre area using about 50 firefighters, 10 vehicles and a boat; no injuries were reported, and hazmat testing showed no contaminants in smoke or runoff water.
- Energy Minister Chris Bowen confirmed the incident would impact petrol production, noted Australia’s fuel reserves stood at 38 days of petrol, 28 days of jet fuel and 31 days of diesel, and urged the public to buy only what they need.
- Workers described a rapid evacuation from a “big bloody fireball,” while nearby residents reported houses rattling, red‑glow skies and precautionary warnings to close windows and turn off HVAC systems; authorities later confirmed no toxic contaminants in the smoke.
Overview of the Incident
A major fire and subsequent explosions broke out at Viva Energy’s oil refinery in Corio, Geelong, just after 11 p.m. on Wednesday, April 15, 2026. The refinery, one of only two operational oil refineries in Australia, processes up to 120,000 barrels of crude oil per day and supplies roughly half of Victoria’s fuel and 10 % of the national supply. The blaze ignited in the Mogas section, which is responsible for producing high‑octane gasoline, and quickly intensified after a significant leak of liquid hydrocarbons and gases fed the flames. Workers were forced to flee rapidly as a “big bloody fireball” engulfed part of the plant, though fortunately no injuries were reported. The fire’s intensity has since waned, but it is expected to continue burning for several more hours as emergency crews maintain containment.
Timeline and Explosion Sequence
Initial reports indicate the incident began with a small fire that escalated after a gas leak was detected by Viva operators. Shortly after the leak was identified, a small explosion occurred, followed by two larger explosions that propelled a massive fireball into the air. Witnesses, including plant workers and nearby residents, described hearing loud bangs and feeling the ground shake as the explosions rattled windows and doors. The sequence unfolded rapidly: the first explosion prompted an immediate evacuation, the second and third explosions intensified the blaze, and by early Thursday morning the fire had settled into a sustained, though decreasing, burn. Fire Rescue Victoria’s assistant chief fire officer Mick McGuinness noted that the flames reached heights of up to 60 metres at their peak before beginning to subside as pressure and fuel flow diminished.
Firefighting Response and Containment Efforts
Fire Rescue Victoria deployed approximately 50 firefighters and ten firefighting vehicles, including a boat stationed in Corio Bay, to combat the blaze. Crews worked to contain the fire to a defined zone measuring roughly 30 metres by 30 metres around the Mogas section. By mid‑morning Thursday, the fire was considered contained, although residual heat and smoldering pockets persisted. McGuinness explained that hazmat technicians had tested both the firefighting water and the smoke plume, confirming the absence of harmful contaminants, which allowed authorities to lift broader smoke‑related warnings. The effort to cool the site and prevent re‑ignition continued throughout the day, with officials estimating at least another four to five hours of active burning before the fire would fully die down.
Impact on Refinery Operations and Fuel Supply
The fire severely damaged two of the refinery’s gasoline production units, prompting Viva Energy to reduce output of petrol, diesel and jet fuel to “minimum rates” as a precautionary measure. Because the Corio facility supplies about 50 % of Victoria’s fuel and 10 % of Australia’s total fuel, the disruption has added pressure to an already tight national fuel market. Energy Minister Chris Bowen noted that while jet fuel and diesel production continued at reduced levels for safety reasons, petrol production bore the brunt of the impact. The incident compounds concerns stemming from geopolitical tensions in the Middle East, which have already strained global fuel supplies and prompted Australia to rely heavily on its domestic refining capacity.
Government and Energy Minister Response
Energy Minister Chris Bowen addressed the public on Thursday’s Today program, confirming that the fire would affect petrol production at the Corio refinery and reiterating the importance of prudence in fuel consumption. He cited Australia’s current fuel reserves—38 days of petrol, 28 days of jet fuel and 31 days of diesel—as a buffer but stressed that the situation remained fluid. Bowen advised citizens to purchase only the fuel they needed, avoiding panic buying or hoarding. He also highlighted that the refinery would require considerable time to repair, and that production would remain curtailed until safety inspections and necessary fixes were completed. The government’s existing Fuel Security Services Payment scheme, which was bolstered in March 2026, remains in place to support the refinery during loss‑making periods.
Worker Safety and Union Perspectives
At the time of the blast, roughly thirty workers were on site, most of them operators. Union representatives arriving at the scene praised the swift evacuation that prevented any casualties. Tony Hynds of the Australian Manufacturing Workers Union recounted that workers had to “take off and get out of there pretty quickly” after the first explosion, describing a subsequent small explosion followed by two large ones and a large fireball. Ronnie Hayden of the Australian Workers Union likened the scene to a “war zone,” noting that some employees were close enough to feel the heat but managed to flee to safety. Both union officials expressed relief that the incident occurred during a relatively low‑staffed period, underscoring the importance of robust emergency protocols and regular safety drills at the facility.
Resident Experience and Public Safety Warnings
Residents in Corio, Norlane and North Shore reported being awakened by rattling windows, a deep red glow on the horizon, and the sound of sirens shortly after 1 a.m. Many described feeling their homes shake as the explosions reverberated through the area. A precautionary warning was issued just after 2 a.m. when a wind shift pushed smoke toward Geelong, advising thousands of locals to close doors and windows and turn off heating and cooling systems to limit smoke infiltration. The warning zone was narrowed around 5:30 a.m. to the suburbs directly surrounding the refinery after hazmat crews confirmed that neither the smoke nor the firefighting runoff contained toxic substances. Residents who spoke to local media recounted the unsettling experience but appreciated the clear guidance and rapid response from emergency services.
Investigation into Cause and Technical Details
Although the immediate trigger appears to have been a hydrocarbon leak in the Mogas section, investigators have not yet been able to access the exact origin point due to ongoing safety concerns. Viva Energy operators first detected a gas leak that rapidly escalated, feeding the fire with flammable liquids and gases. McGuinness noted that the flames rose to about 60 metres at their height before the intensity began to decline as pressure in the system dropped. Fire Rescue Victoria’s hazmat specialists conducted air and water sampling, concluding that no contaminants were present in the smoke or runoff, which alleviated fears of broader environmental or public‑health hazards. The cause remains under investigation, with both internal reviews and external regulatory examinations expected in the coming weeks.
Broader Fuel Security Context and Government Support
The Corio refinery’s recent production increase was partly a response to geopolitical developments: after Donald Trump’s renewed sanctions against Iran led to the closure of the Strait of Hormuz, global markets feared fuel shortages, prompting Viva to ramp up output. The facility has benefited from substantial government backing, including a March 2026 increase to the Fuel Security Services Payment, which assists refineries during periods of loss. Viva has previously stated that this support enabled a $500 million upgrade program aimed at improving reliability and efficiency. The incident underscores the vulnerability of Australia’s dual‑refinery system, especially amid broader stresses such as the March 23 fire at a major Texas refinery that coincided with Middle‑East‑driven oil price spikes. Australia’s current fuel reserves—38 days of petrol, 28 days of jet fuel and 31 days of diesel—provide a short‑term cushion, but the Geelong outage highlights the need for continued investment in domestic refining capacity and supply‑chain resilience.
Outlook for Repairs and Future Operations
Energy Minister Bowen indicated that the Corio refinery would “take some time to repair,” with production remaining at reduced levels until safety assessments are completed and necessary work undertaken. Fire Rescue Victoria’s McGuinness observed a noticeable drop‑off in fire intensity, suggesting that the pressures driving the blaze were subsiding, which should facilitate a safer environment for repair crews to enter the site. No definitive timeline for full operational restoration has been provided, but both company officials and government representatives emphasized a cautious approach, prioritizing worker safety and environmental protection over hasty restarts. The incident serves as a stark reminder of the risks inherent in hydrocarbon processing and the importance of robust monitoring, emergency response, and governmental support frameworks to safeguard national energy security.