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==Background==
[[File:proven_gas_reserve_surrounding_europe.jpg|thumbnail|[http://www.ewi.research-scenarios.de/cms/wp-content/uploads/2016/10/Options-for-Gas-Supply-Diversification.pdf Options for Gas Supply Diversification for the EU andGermany in the next Two Decades]]]
About one quarter of all the energy used in the EU is natural gas, and many EU countries import nearly all their energy supplies, such as the United Kingdom (45.5%), France (46.1%), Germany (61.4%), Spain (72.9%) and Italy (75.9%)<ref>[http://ec.europa.eu/eurostat/documents/2995521/7150363/8-04022016-AP-EN.pdf/c92466d9-903e-417c-ad76-4c35678113fd Eurostat newsrelease: Energy Dependency in the EU 2016]</ref> . Some of these countries are also heavily reliant on a single source or a single transport route for the majority of their gas<ref>[http://www.nytimes.com/2007/08/23/world/europe/23iht-pipeline.4.7231553.html The New York Times "Gaxprom plans to re-route controversial European pipeline" 2007]</ref> . Yet, in 2017 17% of the global population lacks access to electricity<ref>[https://www.iea.org/topics/energypoverty/ International Energy Agency (IEA): Energy access and Energy poverty]</ref>. Energy poverty in Europe is still a relevant issue, as it affects nearly 11% of the EU population. Due to rising energy prices, low income and poor energy efficient homes, particularly prevalent in Central Eastern and Southern Europe (notably <ref>[https://iaee.org/en/publications/newsletterdl.aspx?id=226 International Association for Energy Economics: Energy Poverty: the Bulgarian Case 2014]</ref> and Greece<ref>[http://www.housingeurope.eu/blog-913/energy-poverty-in-greece Housing Europe: Energy Poverty in Greece 2017]</ref>), around 54 million people in Europe cannot afford to adequately heat their homes at an affordable cost<ref>[https://ec.europa.eu/energy/en/news/energy-poverty-may-affect-nearly-11-eu-population European Commission (Energy): Energy may affect nearly 11% of the EU population, 2015]</ref>.
==Areas of conflict==
[[File:demand_for_infrastructure_investment.jpg|thumbnail|[http://www.ewi.research-scenarios.de/cms/wp-content/uploads/2016/10/Options-for-Gas-Supply-Diversification.pdf Options for Gas Supply Diversification for the EU andGermany in the next Two Decades]]]
The challenges that the European Union and its Member States have to face in securing gas supply concern mainly infrastructure and geopolitical tensions. On one side, infrastructure failure can cause disruptions along gas transport routes and, on the other, supplies can be endangered by political disputes<ref>[https://ec.europa.eu/energy/en/topics/imports-and-secure-supplies/secure-gas-supplies European Commission (Energy): Secure gas supply, 2017]</ref>.