Indian Oil Corporation Ltd. makes a corporate announcement

The approved outlay is broadly a one-year capex envelope, not an incremental FY25 cash requirement. Assuming the project is the Panipat refinery expansion, its gross approved cost is Rs 38,231 Crores, against the company’s stated FY25-26 capex plan of Rs 33,494 Crores—a derived 14.2% higher amount. However, the project is a multi-year investment and was already 92.8% physically complete in the latest project update, so comparing the full approved cost with one year’s capex guidance overstates the remaining funding burden. ^{[1] [2]}

Debt-to-equity impact

There is no company-disclosed post-commissioning debt-to-equity forecast for this project. IOC’s capital policy is to keep debt-to-equity below 1:1. Standalone debt-to-equity was 0.75:1 at March 31, 2025 and improved to 0.54:1 at March 31, 2026. ^{[3] [3]}

A mechanical stress test—adding the entire Rs 38,231 Crores of project cost as fresh debt to the March 2025 standalone balance sheet, while holding equity unchanged—would produce approximately 0.97:1, derived from `(Rs 134,465.54 Crores debt + Rs 38,231 Crores project cost) / Rs 178,676.86 Crores equity`. This is not a commissioning forecast: it double-counts expenditure already incurred and assumes 100% debt funding.

The more relevant conclusion is directional: debt-to-equity could rise during the remaining construction phase if borrowings fund the balance, but the increase should be moderated by internal accruals and retained earnings. IOC states that its project pipeline is financed through a mix of internal accruals and borrowings, and it reduced debt-to-equity from 0.75 to 0.54 even while incurring Rs 32,405 Crores of FY26 capex. ^{[4] [5]} The exact commissioning ratio therefore depends on the undisclosed residual project spend and financing mix; a precise post-commissioning number cannot be supported.

For the 18 May 2026 Paradip SAF joint venture, no project-specific debt-to-equity ratio or debt-versus-internal-accrual funding split has been confirmed. The filing confirms only a 50:50 JV between IndianOil and M11 Energy Transition and an estimated project cost of Rs 1,063.60 Crores, with a ±30% estimate range.^[6]

• Ownership/economic split: 50:50; this is not equivalent to a 50:50 debt-equity funding mix.^[6]
• Implied IndianOil share of project cost: approximately Rs 531.80 Crores, derived as 50% of Rs 1,063.60 Crores. This is an implied project share, not a confirmed equity contribution or cash funding commitment.^[6]
• Project debt-equity ratio: not disclosed.
• Incremental borrowing: not quantifiable from the announcement; no project debt quantum, lender financing, or borrowing commitment is specified.
• Internal accrual contribution: also not quantified. IndianOil states at a broad portfolio level that its capex will be funded through a mix of internal accruals and borrowings, without allocating the split to this SAF project.^[4]

For context, IndianOil’s consolidated company-level debt-equity ratio was 0.69x as of 30 June 2026, but this is the existing balance-sheet ratio and should not be used as the financing ratio for the SAF project.^[7]

Implication: the project’s funding is presently best described as 50:50 partner ownership with an unconfirmed financing structure. The eventual incremental borrowing impact will depend on whether the JV uses project debt, shareholder loans, partner equity, or internally generated cash; the current disclosure does not permit that split to be calculated.

Assuming “this project” refers to the Cauvery Basin Refinery and Petrochemicals Ltd. (CBRL) project at Nagapattinam, the numerical IRR and payback period are not reported in the cited disclosure. The project was estimated at approximately Rs 45,000 Crores, and CPCL’s financial review prompted a shift from a refinery-led configuration toward a petrochemical-centric complex because of concerns over the original project’s IRR. ^[8]

Interpretation: the comparison is qualitative rather than numerical. IOCL’s Director of Finance said that every investment must pass the company’s internal hurdle rate and characterized the returns from recent refinery expansions as “extraordinary”; he was also positive on petrochemical investments, while acknowledging their cyclical economics. ^[9] However, IOCL did not disclose the hurdle-rate percentage, project-level IRRs, or payback benchmarks for the Panipat, Gujarat, Barauni, or other recent capacity additions.

Therefore, the available evidence supports only this conclusion: the original CBRL configuration faced an IRR-related economic review, but there is insufficient disclosure to quantify its IRR, calculate payback, or establish whether it was below IOCL’s internal hurdle rate.