- 15 October - SSE raises prices by 9%
- 16 November - British Gas raises gas and electricity prices by 6%
- 26 November - NPower to increase gas prices by 8.8%, electricity by 9.1%
- 3 December - Scottish Power to raise prices by 7%
- 7 December - EDF will raise gas and electricity prices by 10.8%
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The triggering of Article 50 has dominated newspaper headlines on Thursday, with many focusing on a possible threat over security by Ms May.
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