Energy Company Obligation ECO4 Interim Delivery Data Dictionary V1

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This document provides information to assist suppliers in completing the notification templates for ECO4 Interim Delivery. It contains a description of every field on the templates, the acceptable data that may be entered in those fields and the circumstances under which this data should be included. Suppliers should only use the most recent version of the dictionary and templates.

The notification template is also available on this page

Main document

[ECO4 Interim Delivery Data Dictionary_v1.0. [PDF, 494.88KB]

](https://www.ofgem.gov.uk/sites/default/files/2022-09/ECO4%20Interim%20Delivery%20Data%20Dictionary_v1.0..pdf)

Subsidiary documents

[ECO4_Interim Delivery notification_template_v1.0 [CSV, 1.39KB]

](https://www.ofgem.gov.uk/sites/default/files/2022-09/ECO4_Interim%20Delivery%20notification_template_v1.0.csv)

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