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Rollierende Planung

Also: Rollende Planung, Rolling Forecast, Rolling Planning, rollierender Forecast, rollierender Plan

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In brief

Rolling planning is a planning approach in which the planning horizon is extended by one additional period and simultaneously updated at regular intervals — such as weekly or monthly.

Key facts

What is rolling planning?

In rolling planning, a fixed planning horizon — for example, 12 months — is not set once at the start of the year and then rigidly maintained. Instead, the horizon advances by one period in each planning cycle: anyone planning for the next 52 weeks today will plan for 52 weeks again in a week's time — but now with a start point shifted by seven days and fresh data. The key difference from traditional period budgets is that variances do not only become visible at year-end, but are continuously incorporated into the plan.

How does this work in practice?

In warehouse and supply chain planning, three levels are typically interlinked:

  • Sales and demand forecast: Sales teams or a forecasting tool provide updated volume expectations, which serve as the basis for capacity and inventory planning.
  • Capacity planning: Warehouse capacities, staffing requirements and conveyor systems are reassessed on the basis of the updated forecast. Bottlenecks can thus be identified earlier than a yearly plan would allow.
  • Procurement and materials planning: Suppliers receive current call-off quantities in good time, reducing over-ordering and stock shortages.

The frequency of updates depends on the volatility of the business and the effort required for data maintenance. Fast-moving assortments or highly seasonal businesses often benefit from weekly cycles, while more stable environments can manage with monthly rounds. It is important that the systems in use — ERP, WMS, planning tools — automate data exchange so that the update process does not become a disproportionately high manual effort.

What matters when implementing rolling planning?

One frequently underestimated factor is data quality. Rolling planning relies on forecast inputs, inventory data and capacity figures being current and consistent. If source data is faulty, the rolling process amplifies errors rather than correcting them. You should therefore assess, before implementation, which data sources deliver what level of quality and where manual intervention will still be necessary.

Organisationally, rolling planning requires clear responsibilities: who approves the forecast? Who has the final say on capacity decisions? Without this governance structure, the method degenerates into a pure data-update process with no decision-making consequence. In practice, rolling planning is often used as the data basis for S&OP (Sales and Operations Planning) processes, but should be kept conceptually separate: rolling describes the planning rhythm, S&OP the alignment format.

Finally, the chosen software environment should support the process. Many ERP systems offer rolling planning functions, but the level of maturity varies considerably depending on the vendor and industry module — an independent Review before system selection is advisable.

Frequently asked questions

An annual plan is created once at the start of the planning period and remains largely unchanged throughout the year. Rolling planning updates the plan at regular intervals and repeatedly extends the horizon, so that an equally long forward-looking period always exists. Variances become visible much earlier and can be corrected in a more targeted manner.

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