GB Grid evidence / monthly observations
Monthly observations remain fixed to their own record windows.
Each issued edition keeps its own definitions, source clocks and stated limits. A later edition does not rewrite an earlier one.
Observation boundary. These are public-record observations, not conclusions about asset condition, causality, reliability, credit or future outcomes.
September 2026 / issued observation
GB Grid Relations
Open the fixed September edition to read its measures, sources and stated limits.
Open September 2026 →August 2026 / issued observation
GB Grid Relations
Open the fixed August edition to read its measures, sources and limits.
Open August 2026 →24 September 2026 / retained edition
Grid Status Card
The system card has its own window. Updates are paused; the dated edition remains available.
Open the dated card →