v3.26.3
Revenue (Tables)
6 Months Ended
Sep. 30, 2026
Revenue [abstract]  
Schedule of disaggregation of revenue from contracts with customers
Revenue for the six months
ended 30 September 2026
UK Electricity Transmission
£m
UK Electricity Distribution
£m
New
England
£m
New
York
£m
National Grid Ventures
£m
Other
£m
Total
£m
Revenue under IFRS 15
Transmission1,706 — 50 221 333 — 2,310 
Distribution— 882 1,553 2,861 — — 5,296 
Other1
16 35 5 9 6 3 74 
Total IFRS 15 revenue1,722 917 1,608 3,091 339 3 7,680 
Other revenue
Generation— — — — 211 — 211 
Other2
44 2 22 16 (57)78 105 
Total other revenue44 2 22 16 154 78 316 
Total revenue before exceptional items 1,766 919 1,630 3,107 493 81 7,996 
Exceptional items3
— — — — — 142 142 
Total revenue1,766 919 1,630 3,107 493 223 8,138 

Geographic split of revenue for the six months ended 30 September 2026
UK Electricity Transmission
£m
UK Electricity Distribution
£m
New
England
£m
New
York
£m
National Grid Ventures
£m
Other
£m
Total
£m
Revenue under IFRS 15
UK1,722 917 — — 333 — 2,972 
US— — 1,608 3,091 6 3 4,708 
Total IFRS 15 revenue1,722 917 1,608 3,091 339 3 7,680 
Other revenue
UK44 2 — — (61)210 195 
US— — 22 16 215 10 263 
Total other revenue44 2 22 16 154 220 458 
Total revenue1,766 919 1,630 3,107 493 223 8,138 
1.The UK Electricity Transmission and UK Electricity Distribution other IFRS 15 revenue principally relates to engineering recharges, which are the recovery of costs incurred for construction work requested by customers, such as the re-routing of existing network assets.
2.Other revenue, recognised in accordance with accounting standards other than IFRS 15, includes net fair value gains and losses in respect of investments in our National Grid Partners business, rental income, income arising in connection with the Transition Services Agreements in place following the sale of the ESO, and an adjustment to NGV revenue in respect of the interconnector cap and floor and Use of Revenue regimes constructed by Ofgem.
3.Exceptional items included in revenue relate to a fair value gain recognised on an investment held by NG Partners. Further details are provided in note 4.
Revenue for the six months ended 30 September 2025
UK Electricity Transmission
£m
UK Electricity Distribution
£m
New England
£m
New York
£m
National Grid Ventures
£m
Other
£m
Total
£m
Revenue under IFRS 15
Transmission1,293 — 49 163 423 — 1,928 
Distribution— 860 1,421 2,477 — — 4,758 
Other1
13 34 4 8 14 2 75 
Total IFRS 15 revenue1,306 894 1,474 2,648 437 2 6,761 
Other revenue
Generation— — (1)— 178 — 177 
Other2
100 2 20 19 (34)20 127 
Total other revenue100 2 19 19 144 20 304 
Total revenue1,406 896 1,493 2,667 581 22 7,065 

Geographic split of revenue for the six months ended 30 September 2025
UK Electricity Transmission
£m
UK Electricity Distribution
£m
New England
£m
New York
£m
National Grid Ventures
£m
Other
£m
Total
£m
Revenue under IFRS 15
UK1,306 894 — — 423 — 2,623 
US— — 1,474 2,648 14 2 4,138 
Total IFRS 15 revenue1,306 894 1,474 2,648 437 2 6,761 
Other revenue
UK100 2 — — (38)15 79 
US— — 19 19 182 5 225 
Total other revenue100 2 19 19 144 20 304 
Total revenue 1,406 896 1,493 2,667 581 22 7,065 
1.The UK Electricity Transmission and UK Electricity Distribution other IFRS 15 revenue principally relates to engineering recharges, which are the recovery of costs incurred for construction work requested by customers, such as the re-routing of existing network assets.
2.Other revenue, recognised in accordance with accounting standards other than IFRS 15, includes property sales by our UK commercial property business, net fair value gains and losses in respect of investments in our National Grid Partners business, rental income, income arising in connection with the Transition Services Agreements in place following the sales of the UK Gas Transmission business and the ESO, and an adjustment to NGV revenue in respect of the interconnector cap and floor and Use of Revenue regimes constructed by Ofgem.