v3.26.1
Financial and other investments (Tables)
 12 Months Ended
Mar. 31, 2026
Disclosure of financial assets [abstract]  
Schedule of financial assets
2026
2025
£m
£m
Non-current
FVOCI debt and other investments
385
384
FVTPL investments
450
407
Financial assets at amortised cost
7
7
842
798
Current
FVTPL investments
1,914
5,156
Financial assets at amortised cost
539
597
2,453
5,753
3,295
6,551
Financial and other investments include the following:
Investments in short-term money market funds
1,370
4,725
Investments held by National Grid Partners
387
346
Investments in Sunrun
63
60
Balances that are restricted or not readily used in operations:
Collateral1
438
506
Insurance company and non-qualified plan investments
676
578
Cash surrender value of life insurance policies
252
238
Other investments
109
98
3,295
6,551
1.The collateral balance includes £404 million (2025: £477 million) of collateral placed with counterparties with whom we have entered into
a credit support annex to the International Swaps and Derivatives Association (ISDA) Master Agreement; £30 million (2025: £24 million)
of restricted amounts allocated for specific projects within National Grid Electricity Transmission plc and National Grid Electricity
Distribution plc; £4 million (2025: £5 million) insurance captive letters of credit.