Publication of a Supplementary Prospectus
National Grid plc and National Grid Electricity Transmission plc said the UK Financial Conduct Authority approved a supplementary prospectus dated 4 Aug 2026 for their Euro 20bn Euro Medium Term Note Programme, supplementing prior prospectuses. The document is available via the provided LSE and FCA National Storage Mechanism links.
How this was made

The 30-second read
Why it matters
The filing updates offering documentation for the Euro Medium Term Note programme and is made available via the National Storage Mechanism, but the excerpt does not specify any new issuance or pricing.
Market read
This is a regulatory publication update for debt programme documentation, with limited immediate trading signal absent any announced issuance terms.
What to watch
If the supplementary prospectus contains updated covenants, risk factors, or programme capacity details, it could matter for credit-sensitive positioning, but those specifics are not included in the provided text.
Background
The FCA has approved a supplementary prospectus dated 4 August 2026 that supplements an earlier National Grid plc and National Grid Electricity Transmission plc Euro MTN programme prospectus.
Ticker impact
National Grid plc published an FCA-approved supplementary prospectus for its Euro MTN programme, updating the existing offering documentation.
Likely limited near-term impact unless the supplementary prospectus signals imminent issuance details.
The article confirms regulatory approval and availability of a supplementary prospectus, without stating any new issuance size, terms, or timing.
Market effects
Routine debt-programme documentation updates for regulated utilities, typically not a standalone catalyst.
UK-listed utility funding documentation, with minimal immediate cross-asset spillover.
Euro MTN programme documentation is globally accessible but the article provides no new issuance terms.
Counterpoint
Traders may ignore supplementary prospectus filings because they often precede routine refinancing rather than signal a near-term funding need.
Key entities
- issuerNational Grid plc
UK utility issuer with an FCA-approved supplementary prospectus for its Euro MTN programme.
- issuerNational Grid Electricity Transmission plc
Transmission subsidiary included in the same FCA-approved supplementary prospectus for the Euro MTN programme.
- regulatorFinancial Conduct Authority (FCA)
Approved the supplementary prospectus, enabling the updated offering documentation to be used.



