Take-or-pay is one of the oldest risk allocation devices in energy and resources contracting, and for good reason. A producer or midstream operator commits capital against a long-lived asset, and the offtaker underwrites a minimum revenue stream whether or not it lifts the volume. The structure appears in gas sales and transportation, LNG offtake, pipeline and terminal capacity, processing agreements, port and rail throughput, and increasingly in power purchase and infrastructure arrangements.
The clause itself is rarely misunderstood. Commercial teams model the commitment carefully at the point of signature. What happens afterwards is the problem. The commitment becomes an annual reconciliation, run against spreadsheets, by people who were not in the negotiation, using a reading of the contract that may or may not match the one that was priced.
The losses that follow are asymmetric. Deficiency payments are visible because a counterparty invoices for them and finance books them. The value that leaks quietly sits on the other side of the same clause, in rights that were paid for and then allowed to lapse.
The four places value actually leaks
Each of these has a date attached, which is what makes them tractable. They leak because the date lives in a document rather than in a system that raises work.
- Expiring make-up rights, a deficiency payment typically buys the right to lift the shortfall volume in a later period, often at no further cost, within a defined window. If nobody schedules against the window, the right expires and the payment becomes a pure loss.
- Missed nomination and forecast duties, most agreements require nominations or rolling forecasts on a fixed cycle, and failure to nominate can forfeit flexibility or trigger imbalance charges that were entirely avoidable.
- Unnetted carry-forward and banking, where the contract allows a surplus in one period to offset a shortfall in another, the netting must be tracked continuously, because reconstructing it at year end usually favors whoever kept better records.
- Unclaimed relief events, force majeure, curtailment, maintenance windows and other relief provisions suspend or reduce the commitment, but almost always inside a notice period measured in days.
- Price redetermination triggers, long-term agreements often allow reopening on defined dates or events, and a missed reopener locks in an off-market position for the remainder of a period.
None of these require sophisticated analytics. They require someone to know, on a given date, what the contract entitles the organization to do and how long that entitlement lasts. That is an obligation tracking problem, and it is solved the same way in every industry that has one.
Treat every deficiency payment as the purchase of a make-up right with an expiry date, and book it that way. The moment the payment is recorded, the recovery window becomes a tracked obligation with an owner and a scheduling requirement, not a footnote in a reconciliation file.
Why the clause is harder to operate than to negotiate
The structural reasons are consistent across gas, LNG, midstream, mining logistics and infrastructure agreements.
- Definitions do the work. Annual contract quantity, adjusted minimum bill, deemed delivery and excused quantity are defined terms whose interaction determines the number. Two competent analysts reading the same contract can produce different results if the definitions are not modeled explicitly.
- The commitment spans systems. Volumes live in scheduling and measurement systems, invoices in finance, and entitlements in the agreement. No single system holds all three, so reconciliation is manual and periodic rather than continuous.
- Amendments change the arithmetic. Side letters, evergreen extensions and amended annexures adjust quantities and windows without anyone updating the model built at signature.
- Ownership shifts after signature. The commercial team that negotiated the structure moves on. Operations schedules against nominations, finance reconciles invoices, and nobody owns the entitlement position as a whole.
- Joint venture complexity. Where a commitment sits at a joint venture level, entitlement and liability are shared under the operating agreement, and non-operators often see the position only in a quarterly report. The interaction with joint operating agreements is covered in the JOA and EPC contract automation guide.
A five-step way to close the gap
Step 1, Model the definitions, not the clause
Extract annual contract quantity, minimum bill basis, excused and deemed quantities, and the make-up and carry-forward mechanics as structured parameters. The model, not the prose, becomes the operating reference, with the clause cited on every parameter.
Step 2, Register every dated entitlement
Create tracked obligations for nomination cycles, forecast submissions, make-up windows, carry-forward expiry, reopener dates and relief notice periods, each with a named owner and a lead time.
Step 3, Reconcile continuously, not annually
Compare scheduled and delivered volumes against the commitment on the same cycle as measurement data arrives. An emerging shortfall found in month four is a commercial decision; the same shortfall found in month twelve is an invoice.
Step 4, Book make-up rights as assets with expiry
When a deficiency payment is made, record the resulting make-up volume and its recovery window, and require scheduling to consume it before it lapses. Report the unconsumed balance monthly.
Step 5, Reflect amendments in the model on execution
Make model update part of the amendment workflow rather than a downstream task. Most disputed reconciliations trace to an amendment that changed a quantity or a window without changing the spreadsheet.
Track volume commitments as live obligations
Aavenir Obligationflow holds nomination cycles, make-up windows and reopener dates as owned, dated tasks tied to the executing agreement.
What good looks like operationally
An organization that operates these clauses well can answer three questions at any point in the contract year without opening a document. First, what is the current position against every volume commitment, including the effect of excused and deemed quantities. Second, what entitlements are approaching expiry, specifically which make-up volumes must be scheduled and by when, and which reopener or relief windows close in the next quarter. Third, what changed since the last reconciliation, and which amendment caused it. None of that requires a specialized energy trading system. It requires the contract terms to exist as structured parameters, the dated entitlements to exist as obligations with owners, and volume actuals to be compared against both on a routine cycle. The same discipline applied to royalty, HSE and rehabilitation commitments is described in obligation management for energy and mining.
Leakage points and the control that closes them
The table maps each leakage point to the specific record that prevents it. The pattern is consistent: an entitlement with a date, an owner, and a report that shows the balance before it expires.
| Leakage point | How it usually surfaces | Control that prevents it | Owner |
|---|---|---|---|
| Expired make-up rights | Year-end review, after the window closed | Make-up balance with expiry, reported monthly | Commercial scheduling |
| Missed nomination | Imbalance charge on an invoice | Nomination cycle as a recurring obligation | Operations |
| Unnetted carry-forward | Dispute during annual reconciliation | Continuous netting against a modeled position | Commercial finance |
| Late relief claim | Deficiency invoice that could have been excused | Relief notice period tracked from event date | Contract manager |
| Missed price reopener | Off-market pricing for a full period | Reopener date obligation with lead time | Commercial |
Take-or-pay clauses are not where value leaks. Unmanaged entitlements are. The commitment is priced correctly at signature and then operated by people reading a document under time pressure, in a different system from the one holding the volumes. Structuring the definitions as parameters and the dates as owned obligations is unglamorous work that consistently pays for itself in a single contract year.
For related guidance, see Deficiency credits: the shipper asset that quietly expires, Gas gathering agreements: tracking dedications and MVCs and Produced water disposal agreements, a control guide.

