Dataset - Open Net Zero Search: LIVE

ETYS 23 Year 06 (2028/29) – SHET – Fault Levels (Winter)

This dataset contains data about transmission winter fault levels for year 2028/29. To view or download this data, please register or login.
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ETYS 23 (2024/25 to 2031/32) – SHET – Reactive Compensation Equipment Changes

This dataset contains data about changes to reactive compensation equipment for years 2024/25 to 2031/32. To view or download this data, please register or login.
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Data Triage Dataset

This dataset contains the results of the data triage process.
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Data Triage Summary

Summary of data triages
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
SSEN Transmission Tower Supergrid Shapefile

Shapefile containing SSEN Transmission Supergrid Towers. To view or download this data, please register or login.
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/gpx+xml
- https://www.iana.org/assignments/media-types/application/vnd.google-earth.kml+xml
- https://www.iana.org/assignments/media-types/text/plain
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/zip
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ETYS 22 Yr 05 SHE Transmission Fault Levels kA Winter 2026_27

This dataset contains data about fault levels for Winter 2026/27. To view or download this data, please register or login.
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
SSEN Transmission Overhead Line Grid Shapefile

Shapefile containing SSEN Transmission Grid Overhead Lines. To view or download this data, please register or login.
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/gpx+xml
- https://www.iana.org/assignments/media-types/application/vnd.google-earth.kml+xml
- https://www.iana.org/assignments/media-types/text/plain
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/zip
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
SSEN Transmission Tower Grid Shapefile

Shapefile containing SSEN Transmission Grid Towers. To view or download this data, please register or login.
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/gpx+xml
- https://www.iana.org/assignments/media-types/application/vnd.google-earth.kml+xml
- https://www.iana.org/assignments/media-types/text/plain
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/zip
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ETYS 23 (2023/24) – SHET – Circuits

This dataset contains data about transmission circuits for year 2023/24. To view or download this data, please register or login.
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
SSEN Transmission Overhead Line Supergrid Shapefile

Shapefile containing SSEN Transmission Supergrid Overhead Lines. To view or download this data, please register or login.
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/gpx+xml
- https://www.iana.org/assignments/media-types/application/vnd.google-earth.kml+xml
- https://www.iana.org/assignments/media-types/text/plain
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/zip
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
SHET - Index of Substation Codes

This dataset contains a list of substation codes. To view or download this data, please register or login.
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Local Authority Third Party Planning Application Notification Corridors

Third party planning application notification corridors, to be used by Local Authority planning depts. to check where applications exist near to SSEN-T assets and then consult on.
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/gpx+xml
- https://www.iana.org/assignments/media-types/application/vnd.google-earth.kml+xml
- https://www.iana.org/assignments/media-types/text/plain
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/zip
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
SSEN Transmission Pole Grid Shapefile

Shapefile containing SSEN Transmission Grid Poles. To view or download this data, please register or login.
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/gpx+xml
- https://www.iana.org/assignments/media-types/application/vnd.google-earth.kml+xml
- https://www.iana.org/assignments/media-types/text/plain
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/zip
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ETYS 23 Year 09 (2031/32) – SHET – Fault Levels (Winter)

This dataset contains data about fault levels for winter 2031/32. To view or download this data, please register or login.
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
SSEN Transmission Substation Site Grid Shapefile

Shapefile containing SSEN Transmission Substation Site Grids. To view or download this data, please register or login
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/gpx+xml
- https://www.iana.org/assignments/media-types/application/vnd.google-earth.kml+xml
- https://www.iana.org/assignments/media-types/text/plain
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/zip
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ETYS 23 Year 01 (2023/24) – SHET – Fault Levels (Summer Minimum)

This dataset contains data about transmission summer minimum fault levels for year 2023/24. To view or download this data, please register or login.
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
SSEN Transmission Substation Site Supergrid Shapefile

Shapefile containing SSEN Transmission Supergrid Substation Sites. To view or download this data, please register or login.
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/gpx+xml
- https://www.iana.org/assignments/media-types/application/vnd.google-earth.kml+xml
- https://www.iana.org/assignments/media-types/text/plain
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/zip
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ETYS 23 (2024/25 to 2031/32) – SHET – Transformer Changes

This dataset contains data regarding transformer changes for years 2024/25 to years 2031/32. To view or download this data, please register or login.
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ETYS 22 Yr 01 SHE Transmission Fault Levels kA Summer 2022/23

This dataset contains information about summer fault level. To view or download this data, please register or login.
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ETYS 23 Year 04 (2026/27) – SHET – Fault Levels (Winter)

This dataset contains data about transmission winter fault levels for year 2026/27. To view or download this data, please register or login.
- https://www.iana.org/assignments/media-types/text/csv
- https://www.iana.org/assignments/media-types/application/json
- https://www.iana.org/assignments/media-types/application/octet-stream
- https://www.iana.org/assignments/media-types/application/parquet
- https://www.iana.org/assignments/media-types/application/rdf+xml
- https://www.iana.org/assignments/media-types/application/ld+json
- https://www.iana.org/assignments/media-types/text/turtle
- https://www.iana.org/assignments/media-types/text/n3
- https://www.iana.org/assignments/media-types/application/vnd.openxmlformats-officedocument.spreadsheetml.sheet

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You can also access this registry using the API (see API Docs).