π iDNO and Sub-Region Pricing
Purpose: Give you everything you need to quote sub-region sites confidently and avoid unnecessary delays.
β Quick Summary
Some sites sit in sub-regions (IDNOs).
You price them using the parent region.
Only EDF, BGB, and Valda accept sub-regions.
This guide gives you the rules so your sales flow is smooth and you avoid waiting for answers.
π What is a Sub-Region (IDNO)?
Sub-regions are independent networks inside a normal DNO area.
They look different on the MPAN, but commercially they follow the parent region.
Rule: Price the sub-region using the parent regionβs rates. That is all you need to do.
π© Suppliers That Accept Sub-Regions
| Supplier | Accepts Sub-Regions? |
|---|---|
| EDF | β Yes |
| British Gas Business (BGB) | β Yes |
| Valda | β Yes |
| Scottish Power | β No |
| E.ON Next | β No |
| BG Lite | β Yes |
| Pozitive / F&S / Others | β No |
This avoids slowdown for you and your client.
π§ How to Price a Sub-Region
Always price the parent region.
Example: If sub-region 32 sits under geographical region 19, then use region 19 pricing tables.
π When Do Suppliers Confirm It?
Only after submission.
You quote using the parent region.
You submit the contract.
Supplier validates the IDNO at their end.
If accepted, great.
If rejected, you choose one that does support it (EDF, BGB, Valda).
π‘ Recommended Workflow
Use this to keep your quoting clean and avoid friction:
Check your supplier.
If it is not EDF, BGB, BGL or Valda, then sub-regions are not supported.Price using the parent region.
This ensures your quote is accurate.Submit normally.
The supplier will handle the IDNO validation automatically.If rejected, simply move to one of the suppliers that supports it.
This keeps you moving without waiting for answers.
βοΈ Example
Scenario:
Sub-region 32 and you want to quote.
Correct workflow:
βSub-region 32 maps to region 19, so Iβll price region 19.
Scottish Power does not support sub-regions, so Iβll use EDF or BGB or BGL instead.β
Fast; clean; no waiting.
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