When a supplier cannot report a PCF through ChainTraced, you can still give the purchased product an emission figure: from a database, from a PDF the supplier sent you, or from their website. This page compares the three ways to do that and when to pick which.
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Option |
Pick it when |
Trade-off |
|---|---|---|
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1. Request to the supplier, answered by you |
You want the same workflow as with connected suppliers, several suppliers per product, or you expect the supplier to join ChainTraced later. |
A few more clicks per product. In return: a record of who entered what and when, and switching to the supplier's own data later is just a new transaction. |
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2. Emissions directly on the product |
You will only ever use secondary data for the product and it has one supplier, or none that matters. |
Quickest. No trace of which supplier the figure belongs to, and if you later want supplier reporting you change the way of working for that product. |
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3. Emission category |
Many purchased products share one secondary figure, for example all hot-rolled steel. |
One dataset covers a whole group. Least specific per product. |
Choose one approach per product. Mixing supplier requests and product-level figures on the same product makes it hard to tell where the number in the PCF comes from.
Option 1: request to the supplier, answered by you
Where: the product under Registry > Products, then Product Transactions > Supplier.
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Create the supplier as a counterparty, connected or not, and add it under Product suppliers on the purchased product; see Create Products.
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Tick the supplier and click Request PCF. The request appears under Product Transactions > Supplier in Requested .
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Open it. Because the supplier is not connected, the emission section is yours to fill in: Add Emission Dataset and either enter the figures in the Calculator or Link to dataset(s) to use a dataset you prepared. Note the origin in the Report description.
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Click Done editing, then Submit for approval. No email is sent; the transaction moves to Needs your approval .
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Click Approve. The emissions land on the purchased product and everything made from it, as for any approved PCF.
The same route works when a connected supplier does not answer a request: open it and fill in the data yourself. The transaction keeps showing that you, not the supplier, entered it.
Option 2: emissions directly on the product
Where: the purchased product, tab Emission data.
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Sub-tab |
Use it to |
|---|---|
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Manual emissions |
Type the emissions per unit, the Primary data share, and with Is secondary data the Secondary emission source. Save the product. |
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Link emissions |
Attach a dataset you created for the figure under Pick a dataset to add. Use this when several products share the data; the same dataset can be given to many products at once from the product list with Edit > Assign dataset. |
How to build the dataset is described in Add upstream emissions with Dataset.
Option 3: emission category
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Under Standards > Emission Categories, create a category with Create new Emission Category.
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Under Standards > Emission Datasets, create a dataset of type Category, assign it to that category and publish it.
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On each purchased product, set the Emission Category on the Product data tab. Products in the category without supplier data use the category dataset; the supplier's row under Product suppliers then shows Secondary data.