2-14 Days Ahead Half Hourly Forecast

This is our 2-14 days ahead national demand forecast, updated twice daily. National Demand is the Great Britain generation requirement and is the sum of metered generation based on National Grid ESO’s operational generation metering, but excludes generation required to meet station load, pump storage pumping and interconnector exports.

Data Explorer

Data Explorer

Table Information

DATE

Title Date
Type date
Description Date on which the forecast demand is occurring. This date is aligned with the GB timezone (BST/GMT).
Comment
Example 2021-11-16
Unit

CTIME

Title Clock Time
Type integer
Description Time at which the forecast demand is occurring. This time uses the GB timezone (BST/GMT).
Comment
Example 130
Unit

GDATETIME

Title Datetime
Type datetime
Description Datetime at which the demand is occurring. This is in GMT/UTC regardless of forecast date's GB timezone.
Comment
Example 2021-11-16T13:30:00
Unit

NATIONALDEMAND

Title National Demand Forecast
Type integer
Description The demand forecast for the specified datetime.
Comment
Example 42000
Unit MW