Sector
Grid & substations,
bay by bay.
The connection is the scheme's critical path, run by a different company on a different system. Bays, transformers and corridors need one record everyone can stand behind — especially at the interface.

The live product — substation & BESS assets on the Longfield demo
Interface truth
Your works and the DNO's on the same map, with the boundary explicit.
Permits where they belong
HV isolations and permits-to-work pinned to the bay they cover.
Evidence for energisation
Every test, sign-off and photo attributed and time-stamped against the asset.