The Hidden Cost of Fuel: Inventory, Working Capital and Commercial Terms in Delivered Cost

The Hidden Cost of Fuel: Inventory, Working Capital and Commercial Terms in Delivered Cost

ANFAXIS Energy Intelligence · Edition dated 23 September 2026

Executive takeaway

Which market references support this view?

Why can a lower price cost more?

Because two offers can push very different amounts of cash onto the buyer. A MAD 30/m³ discount may look attractive, but if it requires 30 extra days of prepayment on material volume, financing cost can absorb part of the saving. The same applies to bank guarantees, minimum inventory or take-or-pay commitments.

Normalize each offer to the same boundary: product, volume, service, payment date, title transfer, taxes, average inventory and consumption timing. Do not add an arbitrary “finance cost”; trace actual cash flows and apply the approved cost of capital to the period genuinely funded.

Which inventory actually consumes working capital?

Separate empty capacity from financed product. Cash may be committed before loading, in transit, at a terminal, in intermediate storage or onsite. Depending on the contract, title and payment change at different moments. Map each stage with average value, days, currency and financing party.

Average inventory is useful for annual financing cost, while continuity often depends on minimum inventory and replenishment scenario. Both views are needed. A financial model based on monthly averages should not hide a low point that creates operational stockout risk.

How can inventory financing cost be calculated simply?

A first-pass model is: annual financing cost = average financed inventory value × annual financing rate. If MAD 10m of product is tied up on average and the internal rate is 8%, annual cost is MAD 0.8m. This is hypothetical and is neither an ANFAXIS price nor financing quote.

For bid comparison, calculate average value by period and reflect payment dates. Thirty days of supplier credit can reduce buyer-funded days compared with prepayment. Do not apply financing cost to the full product value and then again to the same advance or guarantee unless they are truly separate exposures.

How do delivery frequency and lot size change cash?

Larger lots may reduce some logistics or marine costs but generally increase average stock and required space. More frequent deliveries can reduce cash tied up but increase transport cost, delay exposure and coordination needs. The optimum depends on fixed delivery cost, consumption and interruption risk.

Build multiple frequency scenarios for the same annual volume. For each, calculate lot size, average inventory, safety stock, storage capacity, logistics cycles and cost. Add real constraints such as minimum truck/cargo size, terminal slot or tank size. A theoretically optimal frequency may not be executable.

Why do payment terms and guarantees deserve separate lines?

Payment terms directly change the cash-to-consumption cycle. Prepayment, payment at loading, payment at delivery and supplier credit are not equivalent. Guarantees, letters of credit or deposits can also consume bank limits or cash even when they are not permanent expenses.

Finance/treasury should evaluate fees, limit usage, collateral, timing and currency. Guarantee cost is not the same as inventory financing, but both can affect funding capacity. Compare offers using the same cost-of-capital conventions so that one bidder is not advantaged by different assumptions.

What roles do FX, tax and Incoterms play?

The upstream price can remain linked to foreign currency even when the final invoice is in dirhams. Identify who bears FX, over what period and under which formula. Incoterms allocate selected costs and risks but do not fully describe taxes, storage or final inland delivery.

Recoverable taxes may create temporary cash needs without becoming permanent economic cost; non-recoverable taxes are different. Do not generalize: tax treatment depends on product and entity. The model should separate expense, cash timing and risk, then be validated by competent advisers.

How should safety stock and working capital be balanced?

Safety stock is a continuity option purchased with cash. Its value depends on the disruption hours or days it can genuinely avoid. Article 03 tests autonomy; Article 04 tests buffer cost. CFO and operations should share the same degraded lead-time, critical-consumption and interruption-value scenario.

Avoid two errors: financing inventory that cannot be withdrawn, or cutting stock on the assumption of perfect logistics. Compare annual buffer cost with alternatives such as contingency capacity, more flexible contract, independent source or shorter lead time. Capital should fund the most effective protection, not necessarily the largest stock.

How can two bids reverse after cash is included?

Illustrative scenario: Offer A = MAD 8,000/m³, payment 30 days before consumption. Offer B = MAD 8,040/m³, payment 30 days after consumption. At 1,000 m³/month and 8% cost of capital, A has a MAD 40,000 monthly product discount but finances roughly MAD 8m for 30 days, about MAD 52,600/month of simple capital cost. B can therefore become economically competitive before guarantees or flexibility. All values are hypothetical.

This is not a recommendation and simplifies the cycle. A real model would use dates, volumes, taxes, supplier credit, price changes and marginal funding cost. The structural lesson is that a price comparison ignoring cash timing can rank offers in the wrong order.

What CFO–procurement dashboard should be managed?

Track normalized price, payment days, inventory days, cash in transit, guarantees used, cost of capital, inventory value, delivery frequency, coverage, emergency cost and incidents. Add variance between tender assumptions and reality: actual payment timing, average inventory, transport and quality.

The dashboard should trigger decisions. If inventory rises because delivery cadence deteriorates, the issue is logistics; if payment moves earlier, it is commercial; if coverage falls, it is continuity. Finance should not optimize cash in isolation from operations, and operations should not increase inventory without making its cost visible.

How should this analysis be turned into a governed decision?

For cash cost and commercial structure, create one decision record shared by treasury, procurement, supply chain and operations. Class every material input as verified evidence, approved assumption, missing data or item requiring validation. This prevents an old assumption from becoming a fact simply because it appears in several presentations. Keep source, date, owner, version and next review date with each material input.

Separate blocking criteria from comparative criteria. An unmet regulatory, HSE, technical or compliance requirement should not be offset by a stronger economic result. Comparative criteria should use one boundary, coherent units and common assumptions. Where judgment is unavoidable, document the reasoning and the relevant counter-argument instead of hiding the trade-off inside an average score.

Define decision authority explicitly: who may request a study, commit spend, accept residual risk, approve a deviation and sign the contract or project decision. Escalation should be tied to observable triggers. Governance that is too vague slows response during disruption; governance that is too permissive can transfer risk into HSE, quality or finance.

Maintain a decision log. At each gate record the decision, evidence used, assumptions, conditions, accountable owner and revalidation date. When circumstances change, update the decision rather than silently editing the model. This traceability improves execution, auditability and learning across sites or transactions.

What should be completed in the first 90 days?

The 90-day rhythm is a governance proposal, not a regulatory requirement. An incident, market constraint or project schedule may require a shorter cycle; a major investment can require longer. Preserve the principle: close critical uncertainties progressively before increasing capital or risk commitment.

Then measure governance effectiveness: decisions supported by complete evidence, open gaps, closure time, expired assumptions, and incidents or changes that triggered revalidation. These indicators do not prove the final economic outcome, but they show whether the organization is actively managing the conditions that make the decision defensible.

Which failure modes should be tested before approval?

Run a pre-mortem: assume the decision has failed twelve months later and ask which assumptions proved wrong. Group potential causes into four families: incorrect or stale data, underestimated physical constraint, unmet commercial/regulatory condition, and governance unable to act in time. The exercise does not predict failure; it exposes dependencies that the central case can hide.

For each cause, identify an observable early-warning signal. A slipping lead time, unconfirmed capacity, utilization below plan, regulatory change, poor data quality or a counterparty failing to close a condition is more actionable than a single aggregate risk score. Link the signal to an action, owner and deadline.

Then test at least a lower-demand case, a higher-cost case and a delayed-schedule case. Where continuity or safety matters, add loss of a critical link. Where regulation matters, add a later permit or connection. Do not average scenarios that represent distinct blocking conditions; management needs to see which condition breaks the decision and why.

The final decision should state residual risk accepted and the conditions that trigger re-approval. This prevents a project or contract from continuing by inertia after its economic, technical or regulatory logic has changed. A good decision pack does not eliminate uncertainty; it shows where uncertainty sits, who monitors it and which event would change the decision.

Checklist — 12 CFO / procurement questions

When does cash actually leave?

When do title and risk transfer?

How many days is product in transit?

What average and minimum inventory are financed?

Which guarantees consume bank lines?

Which currency carries economic risk?

What cost of capital is relevant to the decision?

Which taxes are expense vs cash timing?

Which delivery frequency minimizes total cost and risk?

Which safety stock genuinely protects the site?

Is each cost counted only once?

Does RFQ comparison use one common cash timeline?

Frequently asked questions

Is working capital part of delivered cost?

Yes in a complete economic view when it represents cash genuinely tied up by the supply structure. It should be separated from product price and calculated on a consistent basis across all offers.

Should WACC be applied to inventory?

Not automatically. The relevant rate depends on company finance policy and the marginal funding or opportunity cost selected for the decision. The key is to use an approved consistent rate rather than invent a market rate.

Is supplier credit always better?

It often improves buyer cash timing but may be priced into the offer, subject to conditions or dependent on credit risk. Compare price, tenor, limits and implicit cost. Better payment terms are not automatically free.

Are guarantees a cost or only a limit?

They may create fees, collateral and bank-line usage. An undrawn guarantee is not necessarily a cash outflow equal to its face value, but it can reduce funding capacity. Model fee, collateral and limit usage separately.

Does reducing inventory always improve cash?

Mechanically yes in the short term, but it can weaken resilience and trigger more expensive emergency purchases. The optimum compares capital cost with continuity value under lead-time and logistics constraints.

Does ANFAXIS offer specific financing terms?

No financing terms are claimed here. Any facility, guarantee, credit or financial structuring requires participation and approval from authorized institutions. This content supports economic decision preparation.

From insight to decision

Sources and methodology

Research cutoff is 23 September 2026. Context facts come from the Ministry, Office des Changes and Competition Council; the cash scenario is entirely hypothetical. Tax, accounting and financing treatment requires validation for the actual company.

[1] Morocco Ministry of Energy Transition — Fuels, 2026 key indicators / 2025 consumption: mem.gov.ma ↗

[2] Office des Changes — Foreign trade indicators, end-Dec 2025: oc.gov.ma ↗

[3] Morocco Competition Council — 2025 diesel/gasoline reporting and 2026 price-transmission notes: conseil-concurrence.ma ↗