U.K. Power Supply Crunch Sends Prices to Record High

  • Day-ahead power jumped to all-time high on N2EX exchange
  • Power prices across Europe are surging along with natural gas

Electricity output and usage data on a screen at the National Grid Plc control centre in Wokingham, U.K.

Photographer: Simon Dawson/Bloomberg

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Britain is set for more sky-high power prices after surging to a record as supplies plunged, an early signal of what might come this winter.

National Grid Plc has warned that the buffer needed to keep the lights on will shrink this heating season. It called for two coal-fired generators to be turned on Monday and it’s not even cold yet.