NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLC
ActiveKey figures
† NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLC filed these accounts on paper, so Companies House publishes them only as a scanned image. The figures for the years marked † were read automatically from the scan and kept only where the statements add up (for example net assets equal total equity), but a reading error is still possible — check the original accounts at Companies House.
Ratios
2025/26Sector comparison
SIC 35130Where the company stands among the 888 active companies whose first SIC code is 35130 (Distribution of electricity).
- NATIONAL GRID ELECTRICITY DISTRIBUTION PLC£8.1bn
- NATIONAL GRID ELECTRICITY DISTRIBUTION (WEST MIDLANDS) PLC£2.5bn
- NATIONAL GRID ELECTRICITY DISTRIBUTION (EAST MIDLANDS) PLC£2.2bn
- EASTERN POWER NETWORKS PLC£2.1bn
- LONDON POWER NETWORKS PLC£1.7bn
- NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC£1.6bn
- SOUTH EASTERN POWER NETWORKS PLC£1.5bn
- SOUTHERN ELECTRIC POWER DISTRIBUTION PLC£1.5bn
- ELECTRICITY NORTH WEST LIMITED£1.3bn
- NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLC£986.6m
Positions are approximate. Figures come from each company's latest accounts; money and employee figures are compared only with companies that filed accounts in pounds for a period ending in the last two and a half years and are not dormant, so those groups are smaller than 888. The line on each bar marks the median.
Summary: NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLC
What kind of company is it?
NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLC is a public limited company registered with Companies House under company number 02366985. It was incorporated on 1 Apr 1989. Its status is active. The registered office is in Bristol (BS2). Its nature of business (SIC 2007) is distribution of electricity (35130).
How is the company doing financially?
The latest accounts in the database are for 2025/26 (period ending 31 Mar 2026); the company files full accounts. Turnover was £295,300,000. Profit for the year was £81,900,000. Net assets were £986,600,000, up 5.5% on the previous year. Total assets were £3,169,200,000 and total liabilities £1,843,600,000. Figures are available for 2 financial years (2024/25–2025/26).
How does it compare with similar companies?
Compared with 888 active companies whose first SIC code is 35130: By turnover it ranks higher than 73% of the 55 that publish turnover (median £7,953,000). By net assets it ranks higher than 97% of them (median £12,109). By total assets it ranks higher than 97% of them (median £92,928). It is older than 99% of them (median age 5.8 years).
Does it supply the public sector?
The company is named as a supplier in 2 public contract award notices from 2 public sector buyers since 2025. Contracts awarded to it alone have a combined published value of £65.7k. It is recorded as the recipient of one central government grant worth £24.2k, from Department for Business, Energy and Industrial Strategy.
What do public registers and reports show?
HMRC lists it as an importer of goods, mainly electrical equipment. HMRC lists it as an exporter of goods, mainly electrical equipment. In its latest payment practices report it took an average of 20 days to pay suppliers, and 6% of invoices were not paid within agreed terms. Its gender pay gap report for 2025/26 shows median hourly pay for women 10.1% lower than for men. It has modern slavery statements on the government registry for 6 years.
Who runs and controls the company?
One person with significant control is registered.
When are its next filings due?
The next accounts are due by 30 Sep 2027. The next confirmation statement is due by 23 Oct 2027.
Filed accounts2024/25–2025/26
| 2024/25 † | 2025/26 † | |
|---|---|---|
| Turnover | 368,300,000 | 295,300,000 |
| Profit for the year | 132,600,000 | 81,900,000 |
| Total assets | 3,010,900,000 | 3,169,200,000 |
| Total liabilities | 1,746,800,000 | 1,843,600,000 |
| Net assets / total equity | 934,900,000 | 986,600,000 |
A dash (—) means no accounts were filed for that year or the item is not in the accounts; 0 is a zero stated in the accounts. Small companies usually file only a balance sheet, so the profit and loss account is often missing.
Public contracts
2 contractsNATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLC is named as a supplier in 2 public contract award notices from 2 public sector buyers since 2025. Their combined published value is £65.7k.
- NHS Wales Shared Services Partnership-Procurement Services (hosted by Velindre University…
- 1 contract · £37.5k
- Llywodraeth Cymru / Welsh Government
- 1 contract · £28.3k
- Brocastle Power, Bridgend – 25 MVA Mod App‡Llywodraeth Cymru / Welsh Government · £28,260 · runs until Mar 2027
- High Voltage Equipment (Maintenance of)‡NHS Wales Shared Services Partnership-Procurement Services (hosted by Velindre University… · £37,480
From contract award notices on Contracts Finder (since 2016) and Find a Tender (since 2021), published by the Cabinet Office under the Open Government Licence v3.0. Values are as published by the buyer and usually cover the whole contract term; the total leaves out awards shared between several suppliers, where the published figure is a ceiling for all of them, placeholder values and single figures of £1 billion or more. Notices marked ‡ do not state a company number and were linked by an exact match on the registered name. Contracts below the publication thresholds and those of devolved buyers that publish elsewhere are not included.
Government grants
1 grantNATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLC is recorded as the recipient of 1 central government grant, worth £24.2k.
- ALB - UKRI - An Energy Revolution for the market town of CaldicotDepartment for Business, Energy and Industrial Strategy · £24,193 · ALB - Innovate UK - Innovation grants 18-19
From the Government Grants Register published by the Cabinet Office (financial years 2016/17 onwards, Open Government Licence v3.0). It covers grants from central government departments and their agencies where the register states the recipient's company number and the recipient name matches this company; grants from local authorities, lottery distributors and devolved governments are not included.
Statutory reporting
- Average time taken to pay invoices
- 20 days
- Invoices not paid within agreed terms
- 6%
- Standard payment terms
- 7–61 days
- Within 30 days 91%
- 31 to 60 days 7%
- After 60 days 2%
Earlier periods (7)
- Period ending
- Days to pay
- Within 30 days
- Late
- 31 Mar 2026
- 21
- 93%
- 4%
- 30 Sep 2025
- 20
- 94%
- 4%
- 31 Mar 2025
- 19
- 94%
- 4%
- 30 Sep 2024
- 18
- 95%
- 3%
- 31 Mar 2024
- 19
- 93%
- 4%
- 30 Sep 2023
- 19
- 93%
- 3%
- 31 Mar 2023
- 17
- 94%
- 4%
- Median hourly pay
- women 10.1% lower
- Mean hourly pay
- women 9.3% lower
- Median bonus pay
- women 80.1% lower
- Employer size
- 1000 to 4999 employees
Earlier years (8)
- Year
- Median hourly pay
- Mean hourly pay
- 2024/25
- women 13.7% lower
- women 10.9% lower
- 2023/24
- women 10.6% lower
- women 12.4% lower
- 2022/23
- women 12% lower
- women 12.2% lower
- 2021/22
- women 11.9% lower
- women 12.6% lower
- 2020/21
- women 13.2% lower
- women 14.3% lower
- 2019/20
- women 12.1% lower
- women 7.7% lower
- 2018/19
- women 13.9% lower
- women 12.3% lower
- 2017/18
- women 10.5% lower
- women 12.6% lower
A positive gap means women's average hourly pay is lower than men's across the whole employer; it is not a comparison of pay for the same work. View on the Gender pay gap service
- 2026
- Statement · summary on GOV.UK · group statement (NATIONAL GRID PLC)
- 2025
- Statement · summary on GOV.UK · group statement (NATIONAL GRID PLC)
- 2024
- Statement · summary on GOV.UK · group statement (NATIONAL GRID PLC)
Earlier years (3)
- 2023
- Statement · summary on GOV.UK · group statement (NATIONAL GRID PLC)
- 2022
- Statement · summary on GOV.UK · group statement (NATIONAL GRID PLC)
- 2020
- Statement · summary on GOV.UK · group statement (NATIONAL GRID ELECTRICITY DISTRIBUTION PLC)
Figures the company reported itself to the government's Check payment practices service, Gender pay gap service and Modern slavery statement registry (Open Government Licence v3.0). Only large companies and employers with 250 or more staff have to report, so most companies have nothing here.
Registers and licences
Listed by HMRC as an importer of goods in 2 of the last 12 months on record, most recently August 2026. Main goods: electrical equipment.
Listed by HMRC as an exporter of goods in 5 of the last 12 months on record, most recently April 2026. Main goods: electrical equipment.
From HMRC's monthly lists of importers and exporters. Traders can ask to be left off the lists, so absence does not mean a company does not trade.
Sources: Charity Commission for England and Wales, Care Quality Commission, Home Office and HM Revenue & Customs, under the Open Government Licence v3.0. Entries marked ‡ come from lists that do not state a company number and were linked by an exact match on the registered name.
History
5 events- Financial year 2025/26 endedAccounts: turnover £295.3m, net assets £986.6m
- Financial year 2024/25 endedAccounts: turnover £368.3m, net assets £934.9m
- Name changed to NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLCPreviously WESTERN POWER DISTRIBUTION (SOUTH WALES) PLC
- National Grid Electricity Distribution Network Holdings Limited registered as a person with significant control
- Company incorporatedPublic limited company
Dates as recorded at Companies House: incorporation, name changes, officer appointments and resignations, current persons with significant control, and the end of each financial year with figures in the database. Former persons with significant control are not listed.