Long Term

National Grid DSO

Automated

United Kingdom

NG DSO procures long term flexibility on an annual basis across HV and LV constraint management zones, for delivery in the year ahead.

#DSO

#loadreduction

#local

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Long Term

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Service details

Service type

Load reduction and load increase

Eligible technologies

All DER types

Competition frequency

Annual

Locational scope

Location-specific

Seasonality

Year-round

Eligibility

Direct

Aggregated

Residential

Commercial & Industrial

Front-of-the-Meter

NG DSO publishes details of Constraint Management Zones (CMZs), flexible capacity needed, and service windows on Piclo. Providers wishing to participate must have eligible assets within these zones and complete company qualification.

Key details

Bidding takes place on Piclo annualy, under a pay-as-bid model. Ceiling prices are displayed alongside each CMZ.

NG DSO uses the SU (fixed volume of flexibility delivered at predefined times) OU, and SA+OU (variable dispatch dependent on network need) products for their long term procurement. Providers receive dispatch instructions from Piclo via API, UI or email, 15 minutes ahead of dispatch start time.

Submit half hourly meter data via Piclo every month. Utilisation and availability fees are paid monthly.

Listing last updated on

23 July 2025

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