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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126 Data Files
| Name | Format | Last Changed Sort ascending | Download | Explore |
|---|---|---|---|---|
| February 2021 - Historic Frequency Data | CSV | 1 year ago | Download (CSV) | view |
| January 2021 - Historic Frequency Data | CSV | 1 year ago | Download (CSV) | view |
| December 2020 - Historic Frequency Data | CSV | 1 year ago | Download (CSV) | view |
| November 2020 - Historic Frequency Data | CSV | 1 year ago | Download (CSV) | view |
| October 2020 - Historic Frequency Data | CSV | 1 year ago | Download (CSV) | view |
| September 2020 - Historic Frequency Data | CSV | 1 year ago | Download (CSV) | view |
| August 2020 - Historic Frequency Data | CSV | 1 year ago | Download (CSV) | view |
| July 2020 - Historic Frequency Data | CSV | 1 year ago | Download (CSV) | view |
| June 2020 - Historic Frequency Data | CSV | 1 year ago | Download (CSV) | view |
| May 2020 - 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
# 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/53e2be31-c68c-40b3-bb83-7ae12240107c/download/fnew-2021-2.zip
curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/fe2502b8-7fef-4027-8399-550a0c84f415/download/fnew-2021-1.zip
curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/706ec5fe-777a-4a46-90de-b9089f93853c/download/fnew-2020-12.zip
curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/bcfa7999-1b14-444b-8f8f-6402092a0e9d/download/fnew-2020-11.zip
curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/3617f1af-4d3c-45d3-a1f6-0d51a9c2167b/download/fnew-2020-10.zip
curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/cfc880fe-3d3d-4df4-bf4f-9294a4dbc901/download/fnew-2020-9.zip
curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/27d4d8b3-0cbe-4cb2-bd83-947f968671a1/download/fnew-2020-8.zip
curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/7c9a488f-5070-4f8b-a3a1-0418ed4438a2/download/fnew-2020-7.zip
curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/4a7f506b-dd04-4480-988b-dff0cc3f9ed4/download/fnew-2020-6.zip
curl -L https://api.nationalgrideso.com/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/954de419-c4e4-4366-9711-6cc1f0fcaa48/download/fnew-2020-5.zip
For any queries or feedback please contact [email protected]