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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127 Data Files

Last Changed
Format
Name Format Last Changed Sort ascending Download Explore
May 2020 - Historic Frequency Data CSV 1 year ago Download (CSV) view
April 2020 - Historic Frequency Data CSV 1 year ago Download (CSV) view
March 2020 - Historic Frequency Data CSV 1 year ago Download (CSV) view
February 2020 - Historic Frequency Data CSV 1 year ago Download (CSV) view
January 2020 - Historic Frequency Data CSV 1 year ago Download (CSV) view
January 2019 - Historic Frequency Data CSV 1 year ago Download (CSV) view
February 2019 - Historic Frequency Data CSV 1 year ago Download (CSV) view
March 2019 - Historic Frequency Data CSV 1 year ago Download (CSV) view
April 2019 - Historic Frequency Data CSV 1 year ago Download (CSV) view
May 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/954de419-c4e4-4366-9711-6cc1f0fcaa48/download/fnew-2020-5.zip

curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/8b974058-2494-4675-98af-0570c3a0b240/download/fnew-2020-4.zip

curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/1b7609f1-5132-45fc-8962-89912eb2b682/download/fnew-2020-3.zip

curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/939590e1-2632-432b-b0d3-3f7e1def9d30/download/fnew-2020-2.zip

curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/e1eb079f-abab-47c8-b59d-d558b3399796/download/fnew-2020-1.zip

curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/2a653f90-7948-4203-a49e-8763733debb2/download/f-2019-1.zip

curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/3343dbfb-58ac-478a-8aed-618a35b38475/download/f-2019-2.zip

curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/b4fc11ec-2f9b-465e-8974-37cc289f2aaa/download/f-2019-3.zip

curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/5a511d6f-0cc4-4054-bb45-8ad3b81051ad/download/f-2019-4.zip

curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/84a85749-18e1-4b6b-bb97-73888ccacfe0/download/f-2019-5.zip

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