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How ERPNext's Production Plan nets demand against stock, explodes your BOMs, and tells you exactly what to make and what to buy — without a per-seat licence.
Material Requirements Planning (MRP) is the discipline that keeps a factory from running out of the parts it needs while not drowning in the parts it doesn't. For decades, real MRP meant an enterprise ERP with a licence to match. ERPNext puts a working MRP engine — its Production Plan document — inside an open-source system with no per-user fee. This paper explains, in accurate detail, what MRP actually does, how ERPNext's Production Plan nets demand against available and incoming stock, explodes multi-level bills of materials, and proposes the Work Orders and Material Requests that translate a sales forecast into shop-floor and purchasing action. It is written for planners and supply-chain leaders who want to understand the mechanism before they trust it.
The complete paper — every section, in a clean branded PDF you can share with your team. Free, no email required.
ERPNext has a genuine MRP engine in its Production Plan document. It pulls demand from sales orders or a sales forecast, nets it against projected stock (on-hand plus incoming, less reserved), explodes multi-level bills of materials, and proposes Work Orders and Material Requests. That is material requirements planning, not just recording what the floor made.
Yes. With multi-level BOM enabled, the Production Plan walks the bill of materials by level, planning the deepest sub-assemblies first and the top-level product last. Each sub-assembly can be set to be made in-house, subcontracted, or purchased, and the plan can skip any sub-assembly you already hold in stock.
It is a strong fit. ERPNext is open-source with no per-user licence, so cost doesn't scale with headcount — which matters for growing Indian manufacturers. It combines MRP, work orders, job cards, GST-ready purchasing and inventory in one system, so a mid-sized factory can run planning and procurement without stitching together separate tools.
You can start ERPNext yourself, but MRP rewards a clean foundation — accurate multi-level BOMs, trustworthy stock, sensible lead times and reorder levels, and Production Plan defaults matched to your factory. An experienced India-based ERPNext partner like Acube gets those right faster and helps you avoid a plan that looks precise but runs on bad data.
Get a clear plan, an honest timeline, and a fixed scope. Talk to a real expert today — whether or not you work with us.
Kochi (Kadavanthra & Infopark) · Thiruvananthapuram · across India & overseas · In business since 2011