Key takeaways
- A throughput agreement grants the right to move a contracted volume of product through a terminal, bundling storage with handling.
- It is priced primarily on volume handled rather than on tanks held — storage as flow, not just parking.
- Minimum-throughput commitments give the terminal revenue certainty and the customer priority access.
- Throughput suits high-turnover users; dedicated leases suit those who need to hold volume still.
Not every storage customer wants to hold oil still. For many — distributors, active traders, supply operations — the terminal is a transit point, a place where product briefly rests on its way from a cargo to a customer. For these users, the right commercial structure is not a dedicated tank lease but a throughput agreement: a contract built around the flow of product rather than the mere holding of it. Throughput agreements are one of the most common and misunderstood structures in the storage business, and understanding them is key to choosing the right deal.
What a throughput agreement is
A throughput agreement grants the customer the right to move a contracted volume of product through the terminal over a period — receiving it, holding it briefly, and delivering it out — with pricing based principally on the volume handled. The agreement bundles the necessary storage with the handling services (receipt, tankage, delivery, and often blending or additive injection) into a single arrangement geared to activity. Where a dedicated lease sells space, a throughput agreement sells capacity-in-motion.
Minimum throughput commitments
Because a terminal must reserve capacity and resources to serve a throughput customer, most throughput agreements include a minimum throughput commitment (sometimes called a take-or-pay or ship-or-pay provision). The customer commits to move — or pay for — at least a minimum volume over each period. This gives the terminal revenue certainty in exchange for guaranteeing the customer priority access and handling capacity. It aligns the interests of both sides: the terminal invests in serving the customer, and the customer secures reliable throughput.
How a throughput arrangement works in practice
Throughput versus dedicated leasing
The choice between a throughput agreement and a dedicated lease comes down to what the customer needs the terminal to do. If the requirement is to hold volume — a strategic buffer, a contango play, a long position — a dedicated lease that reserves specific tanks is usually right. If the requirement is to move volume — steady distribution, active supply, high turnover — a throughput agreement priced on flow is usually more efficient, because the customer pays for activity rather than for standing space.
| Dimension | Throughput agreement | Dedicated lease |
|---|---|---|
| Priced on | Volume handled (flow) | Capacity held (space) |
| Best for | High-turnover distribution and supply | Holding volume for strategy or trading |
| Commitment | Minimum throughput (take-or-pay) | Fixed capacity for the term |
| Tank rights | Working capacity, not named tanks | Specific tanks reserved |
| Flexibility | Geared to activity | Geared to holding |
Choosing between flow and space
Who throughput agreements suit
Throughput structures are the natural fit for distributors breaking bulk into regional markets, for supply operations balancing a network, and for traders whose product turns over quickly. They convert the terminal into an efficient logistics conduit, with cost tied directly to activity. They are less suited to customers who need to hold large volumes still for long periods, for whom a dedicated lease offers better value and certainty.
Structuring a throughput deal well
A well-structured throughput agreement matches the minimum commitment honestly to the customer's realistic volume, defines the handling services included, sets clear nomination and scheduling procedures, and specifies how throughput is measured and billed. Get these right and the arrangement serves both parties efficiently for years; get the minimum commitment wrong — too high and the customer overpays, too low and the terminal cannot justify the capacity — and friction follows. As with every storage structure, honest matching of the deal to the real requirement is what makes it work.
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Getting the minimum commitment right
The single most important number in a throughput agreement is the minimum throughput commitment, and setting it well repays careful thought. Set it too high — above the volume the customer can realistically move — and the customer pays for throughput it never uses, souring the relationship. Set it too low, and the terminal cannot justify reserving the capacity and resources the customer expects, leading to contention when volumes rise. The right level sits honestly at the customer's dependable baseline throughput, with headroom handled flexibly.
Arriving at that number means looking clearly at historical and projected volumes, seasonality, and the customer's confidence in its own flow. A good terminal partner helps model this rather than simply proposing a figure, because a well-calibrated commitment protects both sides: the customer pays for what it uses, and the terminal earns the certainty it needs to invest in service. This collaborative calibration is what distinguishes a throughput relationship that endures from one that generates disputes at the first change in volume.
Illustrative example
Right-sizing a distributor's commitment
Consider a fuel distributor negotiating a throughput agreement. Its records show a dependable baseline of regular monthly volume, with seasonal peaks above it. Rather than committing to its peak — and paying for throughput it would not always use — the distributor and terminal set the minimum throughput commitment at the dependable baseline, with the peaks handled flexibly above it. The distributor pays for what it reliably moves; the terminal earns the certainty to reserve capacity and resources. When a later change in the distributor's business shifts its volumes, the honestly calibrated commitment makes the conversation about adjustment straightforward rather than adversarial.
Illustrative scenario for explanation only; not a representation of a specific transaction or client.
Beyond the minimum commitment, a well-run throughput relationship depends on disciplined day-to-day coordination. Clear nomination procedures let the terminal plan tank availability and berth or gantry windows around the customer's flow; accurate measurement at each custody point ensures throughput is billed correctly; and responsive scheduling keeps product moving without contention. When these operational mechanics run smoothly, the throughput agreement delivers its central promise — product moving reliably through the terminal on the customer's schedule — and the commercial structure fades into the background, exactly as a good piece of infrastructure should. It is this combination of a fairly calibrated commitment and disciplined execution that makes throughput arrangements the backbone of so much petroleum distribution.
In short, a throughput agreement is best understood as a long-term operational partnership expressed in commercial terms — one that rewards honesty about volumes and discipline in execution on both sides.