What Viva Energy's 154% EBITDA Surge in H1 2026 Reveals About Refining Margins and the Geelong Fire Impact

Sonal Goyal

29 September 2026 11:57 PM AEST

What Viva Energy's 154% EBITDA Surge in H1 2026 Reveals About Refining Margins and the Geelong Fire Impact

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Viva Energy Group Limited (ASX:VEA) released its H1 2026 financial results on 25 August 2026, reporting Group EBITDA on a replacement cost basis (EBITDA RC) of $774.4 million — a 154% increase from $304.9 million in H1 2025. The dramatic improvement was driven primarily by elevated regional refining margins that benefited the Energy & Infrastructure segment, alongside growth across Commercial & Industrial (C&I) and improved Convenience & Mobility performance. Net Debt reduced to approximately $1.7 billion at 30 June 2026 from positive operating cash flow. The Board declared an Interim Dividend of 7.73 cents per share (cps), representing a 70% payout of C&M and C&I NPAT (RC) — the top end of the company's dividend policy range.

H1 2026 Financial Results

Sales volumes were 8,490 ML, up 1.3% (112 ML) on H1 2025. Group EBITDA (RC) was $774.4 million, up 154.0% ($469.5 million) from H1 2025's $304.9 million. Group EBIT (RC) was $616.1 million, up 250.0% ($440.1 million) from H1 2025's $176.0 million. Group NPAT (RC) was $371.1 million. Energy & Infrastructure benefited from elevated regional refining margins, partially offset by the impact of the alkylation unit fire at the Geelong Refinery. Commercial & Industrial (C&I) delivered growth through higher sales volumes and favourable term Supply arrangements during a period of market volatility. Convenience & Mobility (C&M) improved through higher retail fuel sales and increased customer visits. Positive Operating Cash Flow reduced net debt to approximately $1.7 billion at 30 June 2026.

Distribution

The Board declared an interim dividend of 7.73 cents per share, representing a 70% Payout Ratio of C&M and C&I NPAT (RC) — at the top end of the Company's stated dividend policy range. This reflects the Board's confidence in the underlying performance of the retail and commercial segments.

Geelong Refinery Alkylation Unit Fire

The Energy & Infrastructure segment's strong Margin performance was partially offset by the impact of the alkylation unit fire at the Geelong Refinery. While the fire's specific Earnings impact was not fully quantified in the available announcement extracts, management noted it as a headwind against the otherwise elevated regional refining margin environment. The alkylation unit is used to produce high-octane blending components for petrol, and its outage would have reduced the refinery's operating capacity and product Yield during the period affected.

About the Company

Viva Energy Group Limited is one of Australia's largest Downstream energy companies, operating the Geelong Refinery (Victoria's sole refinery), a nationwide network of fuel distribution terminals and retail service stations (including the Shell-branded network), and a growing Commercial & Industrial fuels business. The company is also developing a broader energy hub strategy around Geelong, including LNG Import and gas storage infrastructure.

Risks

The elevated regional refining margins that drove the H1 2026 result are cyclical and may not persist at the same level in H2 2026 or FY27. Refining margins are highly sensitive to global oil product supply and demand, regional capacity changes, and geopolitical factors.

The Geelong Refinery alkylation unit fire created an operational disruption and partial earnings headwind in H1 2026. The timeline and cost of repairs, and any ongoing impact on the refinery's production capacity, requires monitoring.

Net debt of approximately $1.7 billion at 30 June 2026 remains material. While positive operating cash flow is reducing this, the debt level limits financial flexibility and dividend capacity in a normalised margin environment.

Viva Energy's dividend policy applies a 70% payout only to C&M and C&I NPAT (RC), excluding the refining margin contribution. This means the H1 dividend of 7.73 cps does not fully reflect the elevated refining margins, but also means the dividend payout is more sustainable at normalised margins.

Fuel Retailing faces structural risk from electric vehicle adoption, which over time will reduce Demand for petrol and diesel at Viva's Convenience & Mobility retail network.

What to Watch Ahead

H2 2026 refining margin environment — whether the elevated margins that drove the H1 EBITDA surge persist or normalise toward historical averages is the primary earnings variable.

Geelong Refinery alkylation unit repair timeline and the restoration of full refinery capacity following the fire.

Net debt reduction trajectory — sustained positive operating cash flow is expected to continue deleveraging the balance sheet.

Full-year 2026 dividend — the interim of 7.73 cps at the top end of the policy range suggests Board confidence, and the final dividend will depend on H2 performance.

Viva Energy's energy transition strategy, particularly the development of LNG import and gas storage infrastructure at Geelong, which could diversify earnings beyond traditional refining and retailing.

FAQs

Q: What is EBITDA RC and how does it differ from statutory EBITDA?

A: EBITDA RC stands for Earnings Before Interest, Tax, Depreciation and Amortisation calculated on a Replacement Cost basis. Replacement Cost accounting adjusts for the effect of oil price movements on the value of fuel inventory held by Viva Energy — it removes inventory gains or losses caused by changes in crude oil prices between the time fuel is purchased and sold. This gives a cleaner view of the operational profitability of Viva's refining and marketing business, independent of crude price movements in any period.

Q: What is an alkylation unit and why does its outage matter?

A: An alkylation unit is a refinery processing unit that combines lighter hydrocarbon molecules to produce high-octane components (alkylate) used in premium petrol blending. It is one of the most capital-intensive and value-adding units in a refinery. An outage reduces the refinery's ability to produce high-quality petrol components, typically resulting in either lower total production, a lower-quality product mix, or the need to purchase alkylate from the market. At the Geelong Refinery, the alkylation unit fire created a partial earnings headwind against the broader elevated margin environment in H1 2026.

Q: Why is only C&M and C&I NPAT used for the dividend calculation?

A: Viva Energy's dividend policy applies a 70% payout ratio specifically to C&M (Convenience & Mobility retail) and C&I (Commercial & Industrial) NPAT, which are more predictable earnings streams from fuel retailing and commercial supply. The Energy & Infrastructure (refining) segment is excluded from the dividend base because refining margins are highly cyclical — using only the more stable retailing and commercial earnings as the dividend base makes the dividend policy more sustainable through refining margin cycles, without forcing dividends to fluctuate dramatically with refinery profitability.

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