Demand Flexibility Service (DFS)

NESO

Automated

United Kingdom

The DFS helps households and businesses participate in the electricity market by providing incentives, through suppliers and aggregators, for reducing or shifting demand.

#TSO

#loadreduction

#consumer

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Demand Flexibility Service (DFS)

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Service details

Service type

Load reduction

Eligible technologies

All DER types

Competition frequency

Evergreen

Locational scope

Territory-wide

Seasonality

Winter

Eligibility

Direct

Aggregated

Residential

Commercial & Industrial

Front-of-the-Meter

Participants should register on the Single Market Platform, complete an IT process check, and submit an online form to become a ‘DFS Registered provider’.

Key details

On any given day, NESO may publish a Service Requirement. DFS Participants have 60 minutes to submit bids.

NESO will publish a DFS Utilisation Report to summarise the accepted and rejected bids. Providers arrange with end consumers to reduce demand (via either a direct instruction to an asset or a communication to the end-consumer).

Providers submit Settlement Data for each DFS Acceptance received during any calendar week ending midnight Sunday, no later than 10.00 hours on the second Monday after expiry of that calendar week.

Listing last updated on

10 July 2025

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