The Method

59 primary sources. Every figure on this site can show you which one.

GridteamAI runs on a simple promise: nothing is published that we can't trace to a primary source, and nothing stays published without being rechecked on a schedule. This page is the method — the same rulebook, every project, every cycle.

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01Where the facts come from

We monitor 59 UK and Irish primary sources: the system operators and network companies (NESO, National Grid, SSEN, SP Energy Networks, EirGrid), the regulators (Ofgem, Ofwat), the statutory registers (the Planning Inspectorate's NSIP register, the Scottish Energy Consents Unit, An Coimisiún Pleanála), government departments and the owners and developers themselves.

A project's status changes on this site only when an authoritative source says so — the owner's own published record or the statutory register. Trade press can alert us; it is never, on its own, the basis for a change. The full register is below: the sources, listed →

02What “verified” means here

Every project on the map carries: a named site and a checked coordinate; a live, named source with a link; and a confidence level. Every status carries the date we last verified it — shown honestly, even when that date is not today.

If a source is unreachable or ambiguous, we keep the last verified status and show its age. We do not guess, and we do not quietly fill gaps.

03The cycle

Status is the most perishable fact in infrastructure. So the volatile fields of status, stage and next milestone are rechecked on a published cycle: monthly for the fast-moving sectors, quarterly for the rest. Each cycle runs the same routine against the same source registers: pull the source, compare, classify the change, re-stamp the date.

Stable facts (location, coordinates) are verified once and left alone. Consistency comes from repetition, not judgement calls.

04Forecasts are projections, and say so

Our forward views on which sectors heat up next and what lands when are built only from published commitments: spending settlements, regulatory determinations, statutory targets, funded pipelines. Every forward statement is labelled as a projection from a named commitment. We read the direction ahead of the money; we don't invent it.

05Independence

Editorial positions, rankings and data are never for sale. Promotional features are labelled as such, visually walled from editorial, and have no influence on any ranking or figure. If we're wrong, we correct it and date the correction.

06The sources

The register is public: 59 institutional primary sources, deduplicated and compiled 2026-07-24. The count on this site renders from our source register — it moves only when the register does.

UK — system, network & delivery operators (9)NESO (National Energy System Operator) · National Grid (incl. National Grid Ventures) · SSEN Transmission · SP Energy Networks · National Gas · Network Rail · National Highways · HS2 Ltd · East West Railway Company

UK — regulators & statutory registers (10)Ofgem · Ofwat · Ofcom · Office of Rail and Road · North Sea Transition Authority · Office for Nuclear Regulation · Environment Agency · The Planning Inspectorate (NSIP register) · Nuclear Decommissioning Authority (incl. Sellafield Ltd, Nuclear Waste Services) · The Crown Estate

UK — departments & delivery bodies (19)DESNZ (incl. Great British Energy – Nuclear) · HM Treasury · Department for Transport · MHCLG · Homes England · DHSC / NHS England (New Hospital Programme) · Department for Education · Ministry of Justice / HMPPS · Ministry of Defence · DSIT · Defra · Department for Business and Trade · Building Digital UK · UK Space Agency · UKRI / STFC · Scottish Government — Energy Consents Unit · Transport Scotland · Welsh Government (incl. Transport for Wales) · Northern Ireland Executive departments (DfI · DfE NI)

UK — assessment & parliamentary bodies (4)UK Parliament (incl. House of Commons Library) · Climate Change Committee · National Audit Office · CITB

Official procurement portals (1)Official procurement portals — Find a Tender · Contracts Finder · eTenders · OJEU/TED

Ireland (16)EirGrid · Commission for Regulation of Utilities · SEAI · EPA (Ireland) · Uisce Éireann · Gas Networks Ireland · An Coimisiún Pleanála · National Transport Authority · Transport Infrastructure Ireland · Iarnród Éireann · Land Development Agency · Office of Public Works · Government of Ireland departments (gov.ie) · Central Statistics Office (Ireland) · ESRI · National Broadband Ireland

Alongside the register sit two source classes, authoritative for their own projects under § 01 — the published records of each project’s owner or developer, and local planning registers. Trade press remains context, never the basis.

That's the whole method — read what the state publishes, verify it against source, stamp the date, repeat on schedule. See it working:

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