Coverage · United Kingdom
One register, doing two jobs: free access and the accuracy baseline.
Great Britain is the only geography with a knowledge-ready adapter serving both the free tier and the published accuracy method at once. Both facts follow from the same register: the National Energy System Operator's Transmission Entry Capacity list, which every transmission-connected project must appear in before it can connect to the grid.
What the register actually covers
TEC records the queue of generation and demand projects that have applied for a connection to Great Britain's transmission network, with the capacity, technology and status of each request. Because a project cannot legally connect without appearing in it, the register is close to a complete list of connection-stage activity — which is exactly why it is used as the adjudicator for our own accuracy scores rather than a sample built from press coverage.
Adapter-ready is not the same as paid-ready. The GB source is knowledge-ready: it reads correctly and produces mapped facts today. What remains is a fresh production import, seven consecutive daily canaries, and a current independent scorecard — the same bar every geography on the coverage page has to clear before checkout opens for it.
Why the free plan is scoped to GB
The free plan gives a rolling 24-month history plus 12 months forward of the GB corpus, at 30 requests a minute and up to 100 rows per answer, with the full evidence chain on every fact. It is scoped here because this is the geography with the most complete public-source depth today — a free tier built on a thinner geography would demonstrate less of the product, not more.
Where GB depth is still thin
TEC is a connections register, not a procurement or contracting register: it will not tell you who is building a project's substation package or when a turnaround window opens. Other GB sources have been acquired and are visibly held, but remain unmapped onto the field vocabulary until their reuse terms are reviewed, so package- and contractor-level GB detail is not yet where TEC-level connection detail is.
How a TEC entry maps onto our project model
A connection request is one status among several a project can carry, not a single pipeline stage — project status here is five separate dimensions rather than one string, because "queued for connection" and "in construction" answer different questions for a contractor filtering on procurement versus one filtering on active build. TEC updates the connection dimension specifically; it does not by itself move a project's construction or commissioning status, which is why other GB sources still matter even once TEC coverage is complete.
Questions people ask about GB specifically
Is Great Britain a paid-ready geography?
Not yet. The NESO TEC adapter is knowledge-ready — it reads the register correctly today — but paid checkout for GB, like every other geography, opens only once its production corpus, seven consecutive daily canaries and a current independent scorecard all pass together.
Why does the free plan use GB specifically?
Because it is the geography with the most complete public-source depth today, so a bounded sample of it is representative of the product rather than a cut-down demo built for a country the system barely covers.
Does GB data cover more than transmission connections?
The TEC register is the seed source and the accuracy adjudication baseline. Other GB crawls have been acquired but remain unmapped onto the field vocabulary until their reuse terms are reviewed, so today’s customer-facing GB depth is anchored on TEC.
See the other tracked geographies — United States, Brazil and India — or the full table on the coverage page.