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London Connections Modernisation

Walk through London Grid Distribution's connections modernisation programme as a Phase B worked example, showing how business architecture drives a real infrastructure investment.

Phase B, Business ArchitectureDerived from TOGAF

London connections modernisation: six stages from baseline to filed evidence

Six stages descend from a surveyed baseline to evidence filed with Ofgem. Each stage names the artefact it produces and the owner accountable for it, joined by flow arrows down the programme.

The walkthrough is the audit trail. By the time the evidence is filed at Stage 6, every prior stage has a named artefact and a named owner the LGD board can defend.

London connections modernisation: six stages from baseline to filed evidence A vertical chain of six stage panels descending from baseline to filed evidence, with a left-hand axis labelled programme advances. Each panel shows a numbered chip, stage name, artefact and owner. 1 Baseline, Analyst, current state surveyed with measurements, red bookend. 2 Vision, Architect, target state agreed with the sponsor. 3 Roadmap, Programme, 18-month plan with dependencies. 4 Pilot, Connections, rollout across three boroughs. 5 Rollout, Delivery, full LGD area staged release. 6 Filed, Reporting, RIIO-ED evidence pack to Ofgem, red bookend. Flow arrows read measures, approves, schedules, scales and delivers. A red note frames the walkthrough as the audit trail the board can defend. Programme advances 1BaselineCurrent state surveyed with measurementsAnalyst 2VisionTarget state agreed with the sponsorArchitect 3Roadmap18-month plan with dependenciesProgramme 4PilotLimited rollout across three boroughsConnections 5RolloutFull LGD area, staged releaseDelivery 6FiledRIIO-ED evidence pack submitted to OfgemReporting measures approves schedules scales delivers The walkthrough is the audit trail.Every stage leaves a named artefact and a named owner the LGD board can defend before Ofgem.