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Editorial comment

On 23 June, the UK will hold a referendum on its continued membership within the European Union (EU). In recent months, campaigners have been stepping up their attempts to sway voters with a series of claims and counterclaims regarding the pros and cons of the UK leaving the EU. Without any clear idea of the definitive implications of a 鶹ýӳBrexit鶹ýӳ, the debate has regularly been reduced to mudslinging and scaremongering. As the BBC鶹ýӳs Economics Editor, Kamal Ahmed, recently commented: 鶹ýӳSometimes this debate can feel a little like 鶹ýӳmy plague of frogs is worse than your plague of frogs鶹ýӳ.鶹ýӳ1


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Despite the uncertainty, I thought I would take this opportunity to present a selection of forecasts that have been put forward for the gas sector, should the UK decide to go it alone.

In the event of a Brexit, the UK would no longer formally be part of the EU鶹ýӳs single energy market. Although many experts predict that the UK would attempt to remain within this energy market in one way or the other, an exit vote would likely mean that the UK would have to adopt European legislation. In effect, it would have given up its seat at the negotiation table.

Penelope Warne, the UK Senior Partner at law firm CMS, states that the UK may not necessarily decide to adopt EU legislation, meaning that the single energy market could cease to apply in the UK. Under this scenario, the UK would have greater freedom on energy policy, structure and its choice of generation technologies.2 For Warne, this could signal a boost in indigenous gas investment, as well as an increase in gas storage and LNG terminals, in order to secure supplies. Gas imports from the Continent via the Bacton/Zeebrugge interconnectors are important for the UK when it requires extra gas above its long-term contracts, e.g. during cold weather. Warne argues: 鶹ýӳIt is in that type of scenario that security of gas supply to meet UK demand could be overtly impacted by a Brexit, if the rules in the EU are developed to have an effect on the gas which would be transported.鶹ýӳ

Norton Rose Fulbright believes that the UK already has the infrastructure in place to mitigate against supply risks, and expects operations and gas flows to 鶹ýӳcontinue as normal鶹ýӳ, whether or not the UK votes to remain in the EU.3 The law firm contends that underutilised LNG capacity in the UK is a supply and demand issue, which is unlikely to be connected to Brexit: 鶹ýӳWhether or not the UK will be an attractive destination for spare LNG volumes is more likely to be driven by the price of gas in the UK market than any other factor.鶹ýӳ

In a report commissioned by National Grid and published in March 2016, Vivid Economics concludes that the overall impacts of Brexit on the UK鶹ýӳs energy sector are likely to be negative.4 While the report does not expect natural gas to face major cost implications in the near-term 鶹ýӳ as the UK is 鶹ýӳwell placed to maintain liquidity, adequacy and supply security even in the event of a Brexit鶹ýӳ 鶹ýӳ it does warn that a UK exit from the EU could result in supply security risks in the long-term: 鶹ýӳThe UK could find itself excluded from the EU 鶹ýӳsolidarity principles鶹ýӳ in which European nations agree to supply their neighbours in the event of a gas supply crisis.鶹ýӳ

As with the entire Brexit debate, the precise implications for the UK energy鶹ýӳs sector remain unclear. While little is likely to change in the short-term, regardless of the outcome of the referendum, a vote to exit the EU would inevitably lead to intense negotiations as the UK seeks to establish a new relationship with its European cousins.

  1. AHMED, K., 鶹ýӳBrexit forecasts can be wrong, it doesn鶹ýӳt mean they are pointless鶹ýӳ, BBC, (23 May 2016),
  2. WARNE, P., 鶹ýӳBrexit: Broadening the debate鶹ýӳ, CMS,
  3. 鶹ýӳImpact of a Brexit on the energy sector鶹ýӳ, Norton Rose Fulbright, (March 2016),
  4. 鶹ýӳThe Impact of Brexit on the UK energy sector鶹ýӳ, Vivid Economics, (29 March 2016).

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