National Grid Electricity Transmission PLC
Registered name: NATIONAL GRID ELECTRICITY TRANSMISSION PLC
Part of National Grid PLC groupNational Grid Electricity Transmission PLC made £2.9bn revenue and £1bn profit in the year to 31 Mar 2026.
National Grid Electricity Transmission PLC’s revenue grew 11% to £2.9bn in the year to 31 Mar 2026, with £1bn profit and 6,873 employees. The company is classified under “transmission of electricity”; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- London
- Age
- 37 yrs · since 1989
- Type
- Public Limited Company
Part of a group. The filing indicates this company sits within a group structure, so its results may depend on intra-group trading and it may be hard to replicate independently.
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Mar 2024 | 31 Mar 2025 | 31 Mar 2026 |
|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L |
| Profit & loss | |||
| Revenue (turnover) | £2.7bn | £2.6bn | £2.9bn |
| Operating profit | £1.6bn | £1.2bn | £1.6bn |
| Profit before tax | £1.4bn | £1bn | £1.4bn |
| Profit after tax | £1bn | £752m | £1bn |
| Profit (best available) | £1bn | £752m | £1bn |
| Employees (average) | 4,553 | 5,623 | 6,873 |
| Ratios | |||
| Profit margin | 38.1% | 28.7% | 35.1% |
| Revenue per employee | £601k | £466k | £421k |
| Profit per employee | £229k | £134k | £148k |
| Growth (year on year) | |||
| Revenue growth | — | ▼4.2% | ▲10.6% |
| Profit growth | — | ▼27.8% | ▲35.2% |
| Headcount growth | — | ▲23.5% | ▲22.2% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Aug 2025 | Accounts · bulk data Aug 2025 | Accounts · bulk data Aug 2026 |
How the business works
- Profit margin
- 35.1%
- Profit ÷ revenue.
- Gross margin
- —
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £421k
- Revenue ÷ average employees.
- Profit per employee
- £148k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- —
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- —
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- —
- Money owed by customers. Low = customers pay quickly.
Balance-sheet signals
Year-on-year changes in filed balance-sheet items. They can hint at momentum (or investment) but are not revenue or profit and must not be read as such.
- Net assets
- —
- Now —
- Cash at bank
- —
- Now —
- Headcount
- ▲22%
- Now 6,873
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- National Grid PLCultimate parent75–100%
- National Grid Holdings One PLC75–100%
- National Grid Holdings Limited75–100%
- National Grid Electricity Transmission PLCthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (1)
- National Grid Electricity Group Trustee LimitedFigures not disclosed
Sister companies (1)
- National Grid International LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from accounts for the year to 31 Mar 2026 (profit £1bn), from the Companies House accounts bulk data published Aug 2026. Spotted an error? Request a correction.
Updated from Companies House on 13 Oct 2026
Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.