National Grid Electricity Transmission PLC
Registered as NATIONAL GRID ELECTRICITY TRANSMISSION PLC. Company number 02366977. 16 payment practices reports on file, the latest for the period ending 31 March 2026, filed 5 June 2026.
30days on average to pay
- Within 30 days
- 31 to 60 days
- Over 60 days
In the reporting period from 1 October 2025 to 31 March 2026, National Grid Electricity Transmission PLC reported that it took an average of 30 days to pay its suppliers' invoices. It paid 47% of invoices within 30 days, 51% in 31 to 60 days and 2% after more than 60 days. It said 9% of invoices were not paid within the agreed terms.
That average is faster than 52% of the 6,220 companies whose latest report covers a period ending since May 2025. A year earlier, in the period to 31 March 2025, the average was 31 days, so it is 1 day faster now. It reported construction contracts in this period, and said they include retention clauses at a standard rate of 5%.
Average days to pay, report by report
Bars are labelled with the month the period ended. The dashed line marks 30 days.
Every report filed
| Period | Filed | Average days | Within 30 days | 31 to 60 | Over 60 | Not within terms | Source |
|---|---|---|---|---|---|---|---|
| Oct 2025 to Mar 2026 | 5 Jun 2026 | 30 | 47% | 51% | 2% | 9% | Report |
| Apr to Sep 2025 | 17 Nov 2025 | 30 | 47% | 51% | 2% | 1% | Report |
| Oct 2024 to Mar 2025 | 29 Apr 2025 | 31 | 44% | 53% | 3% | 8% | Report |
| Apr to Sep 2024 | 31 Oct 2024 | 30 | 50% | 47% | 3% | 10% | Report |
| Oct 2023 to Mar 2024 | 2 May 2024 | 31 | 46% | 52% | 2% | 7% | Report |
| Apr to Sep 2023 | 30 Oct 2023 | 30 | 49% | 49% | 2% | 10% | Report |
| Oct 2022 to Mar 2023 | 28 Apr 2023 | 28 | 58% | 40% | 2% | 13% | Report |
| Apr to Sep 2022 | 27 Oct 2022 | 29 | 48% | 50% | 2% | 8% | Report |
| Oct 2021 to Mar 2022 | 30 Apr 2022 | 28 | 50% | 47% | 3% | 8% | Report |
| Apr to Sep 2021 | 31 Oct 2021 | 31 | 48% | 50% | 2% | 12% | Report |
| Oct 2020 to Mar 2021 | 29 Apr 2021 | 39 | 23% | 75% | 2% | 8% | Report |
| Apr to Sep 2020 | 29 Oct 2020 | 43 | 13% | 82% | 5% | 20% | Report |
| Oct 2019 to Mar 2020 | 30 Apr 2020 | 44 | 15% | 81% | 4% | 10% | Report |
| Apr to Sep 2019 | 30 Oct 2019 | 46 | 12% | 81% | 8% | 15% | Report |
| Oct 2018 to Mar 2019 | 30 Apr 2019 | 42 | 13% | 82% | 5% | 14% | Report |
| Apr to Sep 2018 | 30 Oct 2018 | 41 | 14% | 82% | 4% | 11% | Report |
Source: the company's filings on Check payment practices. Contains public sector information licensed under the Open Government Licence v3.0. Figures are as filed. We do not change them.