Great Britain has more than enough gas and electricity to power the winter months, despite an increasing dependence on overseas supplies which have been squeezed by the Iran war, analysis has shown.

Europe is also heading into winter with lower gas storage than normal as a result of higher prices.

But the National Energy System Operator (Neso) said its outlook shows Britain’s electricity system is stable for the winter.

The electricity system is forecast to have a surplus of 5.9 gigawatts (GW) between the end of October and the end of March next year.

This represents a 9.5% buffer against peak demand during a cold spell, which is slightly lower than the 10% buffer of last winter.

Neso is responsible for making sure energy demand is met by supply (Stefan Rousseau/PA) (PA Wire)

Neso, which is a publicly-owned body independent of government, is tasked with ensuring that the supply of energy always meets demand for it.

If supply cannot meet demand, then the country risks blackouts.

However, Neso said its…