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Key takeaways from the IEA’s Global Gas Security Review 2021 edition

This sixth issue of the Global Gas Security Review shows that security of supply remains a central topic for gas markets, as the combination of recovering economic activity, lower liquefied natural gas (LNG) availability and a succession of severe weather events has put the global gas system under strong pressure and sent market prices to new highs. The prospect of further recovery has prompted the gradual return of contracting activity and investment decisions in 2021 that would ensure sufficient medium-term supply, while the need for a transition to low-carbon gases opens new challenges for longer-term security of supply.

Gas prices rallied as market fundamentals tightened on strong demand and unexpected supply bottlenecks

Gas year 2021/22 opened on October 1st with record-high spot gas prices in Europe and Asia and lower-than-average storage inventory levels for the coming heating season. The tightening of gas markets over the past months results from a combination of robust demand growth as economies recover from 2020 lockdowns, a succession of extreme weather episodes that have generated additional gas consumption, and tighter-than-expected supply as a series of outages hampered gas production and export capacity.


High natural gas prices have also ripple effects on electricity markets, pushing prices up and driving fuel substitution in favour of coal and oil, thus also impacting higher levels of emissions of CO2 and local pollution.

The IEA is closely monitoring global gas market developments and issued a statement in late September as part of its constant dialogue with stakeholders on security of energy supply.

Cold winter and dry summer put immense pressure on the gas supply system

Last January’s cold weather in Northeast Asia – coupled with reduced LNG availability – led to localised fuel shortages and an unprecedented spike in spot LNG prices. This was followed in February by winter storm Uri that hit North America, with extremely cold temperatures leading to higher heat and electricity needs and well freeze-offs hampering production, resulting in rolling power cuts in several US states and Mexico. Over the following months, several hydro-rich power markets, including Brazil, California and Turkey, faced severe droughts that led to higher reliance on gas-fired power generation and further tightened the summer gas market.


This succession of events highlights the interdependence between natural gas and electricity security of supply – a link that appears to be stronger than ever. The IEA’s new Electricity Security Event Scale rating, published in its latest Electricity Market Report, shows that recent weather events triggered power outages in a number of markets where availability of gas supply was also an issue. The Texas power crisis of February was assigned the highest ranking on the scale – the largest US gas-producing state and where the fuel plays a dominant role in power generation.

LNG trade has continued to be a strong source of flexibility against the backdrop of demand volatility, although capacity outages were high during 2020 and have remained so in 2021, contributing to market tension and price fluctuations.

Underground gas storage capacity played a central role in providing trans-regional flexibility during the January cold snap, meeting Europe’s additional needs while enabling arbitrage of LNG cargoes to Asia. This episode also emphasised the lack of storage capacity in major Asian markets and their resulting dependence on imported flexibility; additional measures to enhance storage development and management have been announced in Japan, Korea and China since then.


LNG contracting is recovering slowly

While flexible LNG trade was a key contributor to adjusting to the sharp demand decline and recovery in 2020, LNG contracting activity has tended to show a higher share of fixed-destination, long-term deals than in previous years. This can be partially attributed to lower activity from portfolio players, as well as to a motivation to limit risk in an exceptionally volatile price environment.

LNG contracting activity shrank by almost 30% year-on-year (y-o-y) in 2020 (or 45% compared to its 2018 peak), while activity during 2021 to date shows some potential for recovery. Final investment decisions (FIDs) were also down from their 2019 record high, with one North American project sanctioned in 2020, plus Qatar’s major expansion plan confirmed in early 2021. These new investments, added to the wave of FIDs taken before 2020, should therefore prove sufficient to satisfy additional LNG demand in the coming years.

The transition to low-carbon gases results in new security of supply challenges

Reaching a net zero emissions objective by 2050 implies the extensive deployment of low-carbon gases in order to decarbonise the current gas system. This deployment must be supported by policies enacted in the short to medium term to prepare for such a massive transition for gas systems and industry. In this regard, policy makers should take into consideration new security of supply challenges that are likely to emerge in this transition.

Future gas systems will be more complex and decentralised, and will entail bidirectional networks. Keeping harmonised quality standards is likely to become more difficult due to the diversity of low-carbon gas supply sources and the current absence of hydrogen blending threshold harmonisation for the transition period. The potential to deliver flexibility could be constrained by the operational specifications of low-carbon gas production. Regulators should therefore adopt a prudent and scalable market design approach to ensure security of supply in a transitioning gas system.


Energy Voices is a democratic space presenting the thoughts and opinions of leading Energy & Sustainability writers, their opinions do not necessarily represent those of illuminem.

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About the authors

Jean-Baptiste Dubreuil is Senior Gas Analyst at the International Energy Agency (IEA).

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Akos Losz is a Gas Analyst at the IEA with a demonstrated history of working in the energy economics, oil and gas markets and management consulting. He is widely published author and public speaker with a Master's Degree focused in Energy & Environment from Columbia University - School of International and Public Affairs.

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Gergely Molnar is Gas Analyst at the IEA.

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Tetsuo Hattori is a Consultant at the International Energy Agency (IEA).

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