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Explore the thermal margin at individual Northern Powergrid substations, then read the upstream and transmission constraints beside it. National solar evidence adds context at its own scale.
Northern Powergrid covers the Northeast, Yorkshire and northern Lincolnshire. This is a regional infrastructure snapshot with no feeder, postcode or site coverage inferred. The publisher describes a monthly update; its processing date was 87 calendar days before this capture. The underlying observation window is unknown.
Across this snapshot, 225 records have both a local Green generation flag and a transmission R flag. They describe different parts of the network. Read the fields together before drawing a conclusion.
Counts below describe infrastructure records, not independent sites or megawatts available for connection. Network levels overlap, so their capacity must not be added.
| Network level | Records | Zero MW | Green + R |
|---|---|---|---|
| Primary | 551 | 244 | 155 |
| Supply Point | 78 | 37 | 45 |
| GSP | 41 | 18 | 25 |
Start at one network level. Search source names, compare the distribution and inspect the individual record. All fields below belong to the same 27 July 2026 source processing vintage.
551
matching infrastructure records
280
above-zero thermal MW with transmission R
155
local Green with transmission R
Filtered records, counted once per row. Capacity is never added across nested network levels.
Select a record for all constraint fields and its source name links.
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The site already tracks generation, the development pipeline and daily operations. These layers help frame the question. Their national geographies and different periods do not support a numerical substation join.
United Kingdom · national annual series
6.61
% of electricity generation
2025 · Ember yearly electricity data 2025
Provisional provider annual · reader checked 2026-10-23
Annual generation share describes the national energy mix. It cannot locate spare network capacity.
United Kingdom · national project pipeline
30,795
MW AC prospective
February 2026
Public GEM summary · reader checked 2026-10-23
Prospective projects are a development pipeline, not installed capacity or confirmed Northern Powergrid connections.
Great Britain · national operational series
21,389
MWh generated that day
2026-10-21
Existing Elexon daily ledger · latest available day
Daily energy is separate from thermal capacity. Without a matching substation and time series, local curtailment and capture cannot be calculated.
Compare thermal distributions within a network level, inspect independent constraints and follow exact source name matches. Place those findings beside separately dated national generation and pipeline evidence. A prospective national project is never assigned to a substation.
Local generation and curtailment time series, verified connection topology, project-to-network identities and regional yield evidence are still missing. The GB profile’s London climate benchmark cannot establish yield in Northern Powergrid’s region. No local yield, revenue, curtailment rate or connection date is calculated.
Supported by Northern Powergrid Open Data. Reuse is subject to the Northern Powergrid Open Data Licence v1.0.
Thermal generation headroom (MW) retains the publisher’s genhr field. Demand headroom and firm capacity remain in MVA. No MW/MVA conversion, cross-level capacity sum or usable-capacity score is applied.
Constraint flags retain their literal source values. The publisher’s constraint guide distinguishes thermal, voltage, fault-level, upstream and transmission limitations. The publisher worst-case flag is displayed separately; its full scope remains unverified.
Time and refresh: processed 27 July 2026, captured 22 October 2026. Processing is not an observation or release date. Row-level dates and revision history are unknown. This version has no automatic source collector.
Publisher dataset and field definitions · Heatmap guidance
Local record keys encode source name, network level and voltage. They are snapshot identities, not stable publisher IDs.
Raw source SHA-256: 38ce99c85437fd9c0c2363c7742751e8ac9881cbb0f23447334fa8569f3256a8
Metadata SHA-256: cf7a9efa10cf1abe8e01c0b43ef45cbe42e9cade0b72089673b0ab0c6d7c2fd1