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Keeping Some of the Lights On: Redefining Energy Security - LOW-TECH MAGAZINE

What does it mean for a society to have energy security? Although there are more than forty different definitions of the concept, they all share the fundamental idea that energy supply should always meet energy demand. This also implies that energy supply needs to be constant there can be no interruptions in the service. [1-4] For example, the International Energy Agency (IEA) defines energy security as the uninterrupted availability of energy sources at an affordable price, the US Department of Energy and Climate Change (DECC) defines the concept as meaning that the risks of interruption to energy supply are low, and the EU defines it as a stable and abundant supply of energy. [5-7]