Company: NEWEN
Filing Date: 2025-11-06
Form Type: 6-K
Source: 0001654954-25-012622
Chunk: 24

Company: NATIONAL GRID PLC
Filing Date: 2025-11-06
Form: 6-K
Chunk 24
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 those applied by the Group for the year ended 31 March 2025 and are expected to be applicable for the year ending 31 March 2026. The notes to the unaudited financial information are prepared on a continuing basis unless otherwise stated.

The financial information for the six months ended 30 September 2025 does not constitute statutory accounts as defined in Section 434 of the Companies Act 2006. It should be read in conjunction with the Annual Report and Accounts and Form 20-F for the year ended 31 March 2025, which were prepared in accordance with IFRS ® Accounting Standards (IFRSs) as issued by the IASB and as adopted by the UK, and have been filed with the Registrar of Companies. The Deloitte LLP audit report on those Annual Report and Accounts was unqualified, did not contain an emphasis of matter and did not contain a statement under Section 498 of the Companies Act 2006.

The key sources of estimation uncertainty and areas of judgement for the period ended 30 September 2025 are aligned to those disclosed in the Annual Report and Accounts for year ended 31 March 2025.

Our consolidated income statement and segmental analysis (see note 2) separately identify financial results before and after exceptional items and remeasurements. The Directors believe that presentation of the results in this way is relevant to an understanding of the Group’s financial performance. Presenting financial results before exceptional items and remeasurements is consistent with the way that financial performance is measured by management and reported to the Board and improves the comparability of reported financial performance from year to year. Items which are classified as exceptional items or remeasurements are defined in the Annual Report and Accounts for the year ended 31 March 2025.

1. Basis of preparation and new accounting standards, interpretations and amendments continued

#### Going concern
As part of the Directors’ consideration of the appropriateness of adopting the going concern basis of accounting in preparing the half year financial information, the Directors have considered the Group’s principal risks (discussed on page 44 ) alongside potential downside business cash flow scenarios impacting the Group’s operations. The Directors specifically considered both a base case and a reasonable worst-case scenario for business cash flows.

The main additional cash flow impacts identified in the reasonable worst-case scenario are:

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adverse impacts of higher spend on our capital expenditure programme;

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adverse impact from timing across the Group (i.e. a net under-recovery of allowed revenues or reductions in