v1
latestOpenAPI 3.0.0BSD License2026-07-24228233924.5 KBElexon
System Frequency
The endpoint provides data that has been received every 2 minutes the Transmission System Frequency, expressed as a hertz value for one or more spot times within that 2 minute period. The default output will be the latest published data.
get/gb/elexon/system/freq
Query parameters
date_fromstring date-time required
Start date time for the request. Ex: yyyy-mm-ddThh:mm:ss
date_tostring date-time required
End date time for the request. Ex: yyyy-mm-ddThh:mm:ss
limitinteger
Number of results to return per page.
offsetinteger
The initial index from which to return the results.
timezone'UTC' | 'Europe/Berlin' | 'Europe/London' | 'America/New_York' | 'America/Chicago' | 'America/Los_Angeles'
The timezone for the query and returned data. If not specified, the default timezone is shown in the information table.
Response
Success