Slow Reserve Requirement Forecast

This data file contains the forward view of requirement for positive and negative Slow Reserve.

Data Explorer

Data Explorer

Table Information

Auction Date

Title Auction Date
Type date
Description The date of the auction event that these requirements apply to.
Comment
Example 2026-04-01
Unit

Service Delivery Date

Title Service Delivery Date
Type date
Description The service day for delivery of the service.
Comment Please Note that service window 1 starts at 23:00 D-1 with regards to service date.
Example 2026-03-31
Unit

Service Window

Title Service Window
Type string
Description Service Window Identifier
Comment Please note this is not the same as Settlement Period. The first service window, window 1 starts on 23:00 Service date-1. For GMT to BST clock change service window 7x and 8x are the repeated hour. For BST to GMT clock change day there is no service window 5 or 6
Example number between 1-48
Unit

Service Window Start Time

Title Service Window Start Time
Type datetime
Description Start time and date of service window
Comment Time given in local time
Example 2026-03-31T23:00:00
Unit

Service Window End Time

Title Service Window End Time
Type datetime
Description End time and date of service window
Comment Time given in local time
Example 2026-04-01T23:29:59
Unit

Positive Slow Reserve Requirement MW

Title Positive Slow Reserve Requirement
Type integer
Description Requirement for Positive Slow Reserve
Comment
Example 1700
Unit MW

Negative Slow Reserve Requirement MW

Title Negative Slow Reserve Requirement
Type integer
Description Requirement for Negative Slow Reserve
Comment
Example 1700
Unit MW

Forecast produced on

Title Forecast Produced on
Type date
Description Date that the forecast was produce
Comment
Example 2026-03-20
Unit