System Frequency

This page holds the historic system frequency data for Great Britain at a 1 second resolution. It is the role of the National Grid ESO to keep the system frequency at 50 Hz, with a statutory limit of 0.5 Hz above or below this value. Time values are all given in Greenwich Mean Time (GMT) starting January 2020.

NOTE: Due to the size and format of these files, to view the data, please download the CSV file and open it with Notepad++ for complete document loading.

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124 Data Files

Last Changed
Format
Name Format Last Changed Sort ascending Download Explore
September 2019 - Historic Frequency Data CSV 1 year ago Download (CSV) view
October 2019 - Historic Frequency Data CSV 1 year ago Download (CSV) view
November 2019 - Historic Frequency Data CSV 1 year ago Download (CSV) view
December 2019 - Historic Frequency Data CSV 1 year ago Download (CSV) view

Additional Information

Field Value
Creator National Grid Electricity System Operator
Date Created November 5, 2019 at 11:50 AM (UTC+00:00)
Source National Grid Electricity System Operator
Rights National Grid ESO Open Data Licence
Update Frequency Monthly

cURL integration

Copied

# Get a list of dataset's resources

curl -L -s https://api.nationalgrideso.com/api/3/action/datapackage_show?id=system-frequency-data | grep path

# Get resources

curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/9ffafdfb-cf42-46b3-802f-a6d9a45794aa/download/f-2019-9.zip

curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/65b4f284-4963-46c5-ae78-cab57fe5372f/download/f-2019-10.zip

curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/3d1a42c0-5637-4702-b9c3-76a7c5d8f062/download/f-2019-11.zip

curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/f0933bdd-1b0e-4dd3-aa7f-5498df1ba5b9/download/f-2019-12.zip

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