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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130 Data Files
| Name | Format | Last Changed Sort ascending | Download | Explore |
|---|---|---|---|---|
| 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 |
| 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 |
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 | NESO Open Data Licence |
| Update Frequency | Monthly |
cURL integration
# Get a list of dataset's resources
curl -L -s https://api.neso.energy/api/3/action/datapackage_show?id=system-frequency-data | grep path
# Get resources
curl -L https://api.neso.energy/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/27d4d8b3-0cbe-4cb2-bd83-947f968671a1/download/fnew-2020-8.zip
curl -L https://api.neso.energy/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/7c9a488f-5070-4f8b-a3a1-0418ed4438a2/download/fnew-2020-7.zip
curl -L https://api.neso.energy/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/4a7f506b-dd04-4480-988b-dff0cc3f9ed4/download/fnew-2020-6.zip
curl -L https://api.neso.energy/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/954de419-c4e4-4366-9711-6cc1f0fcaa48/download/fnew-2020-5.zip
curl -L https://api.neso.energy/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/8b974058-2494-4675-98af-0570c3a0b240/download/fnew-2020-4.zip
curl -L https://api.neso.energy/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/1b7609f1-5132-45fc-8962-89912eb2b682/download/fnew-2020-3.zip
curl -L https://api.neso.energy/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/939590e1-2632-432b-b0d3-3f7e1def9d30/download/fnew-2020-2.zip
curl -L https://api.neso.energy/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/e1eb079f-abab-47c8-b59d-d558b3399796/download/fnew-2020-1.zip
curl -L https://api.neso.energy/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/2a653f90-7948-4203-a49e-8763733debb2/download/f-2019-1.zip
curl -L https://api.neso.energy/dataset/cb1cc925-ecd8-4406-b021-3a3f368196e1/resource/3343dbfb-58ac-478a-8aed-618a35b38475/download/f-2019-2.zip