In a report forecasting electricity availability this winter, the body said it expects system margins to be broadly in line with recent winters and there will be sufficient available capacity to meet demand.
But it added: “Our operational modelling indicates that there could be some tight periods this winter, which are most likely to occur in the first half of December.”
There are various uncertainties this winter as a direct result of possible shortfalls in Europe’s gas supply – partly driven by the turmoil around securing energy supplies from Russia.
Earlier this week, the Russian state-run energy firm Gazprom reduced flows through the key Nord Stream 1 gas pipeline to around 20 per cent of its capacity leading to concerns about energy security on the continent as demand rises heading into the winter.
The system margin calculation assumes that on the tightest days, the UK energy price will be higher than in Europe, causing interconnector flows into...