"The electricity margin has decreased compared with recent years, but
the outlook remains manageable and well within the reliability standard
set by the government," said Cordi O'Hara, director of market
operations at National Grid.
Caroline Flint MP, Labour's shadow energy and climate change
secretary, said: "The security of our energy supply has not been helped
by the fall in investment under this government. With a quarter of our
power stations closing this decade it is vital that we bring forward
investment in secure and clean energy for the future."
Gas supplies
In the event of disruption of Russian gas supplies to Europe, National Grid said more expensive gas could be imported.
This would only happen in the "most extreme scenario", it said.
"The current uncertainty surrounding Eastern European gas
supply stability due to the enduring tensions between Russia and
Ukraine, could lead to curtailment of gas supplies in to Europe," said
the owner and operator of the UK's power network.
Although the UK does not receive any gas directly from
Russia, gas flows to Europe could be affected, which would in turn
affect supplies to the UK, it added.
If necessary, the UK could import more liquefied natural gas
from elsewhere, but this would cost more and could have implications for
household bills.
Overall, however, gas supplies, storage and network capacity
were "well in excess of maximum expected demand", the operator said.
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