Secondary sites

This dataset shows our secondary sites and a number of attributes including oil natural air natural (ONAN) ratings, spatial coordinates, customer counts, whether a site is indoor/outdoor, the address, substation name, alias and its primary feeder.

Data and Resources

This dataset has no data

Additional Info

Field Value
Source https://data.london.gov.uk/dataset/secondary-sites-v86m3
Last Updated June 26, 2026, 19:10 (UTC)
Created June 24, 2026, 20:06 (UTC)