American Economic Association, The Journal of Economic Perspectives, Vol. Exploring the relevance of location and the politics of voiced opinions in renewable energy siting controversies”, Energy Policy, Vol. This is especially true for advanced industrial or post-industrial societies, where electricity provides the services essential for production, communication and exchange. Unsurprisingly, governments of OECD countries are thus concerned with understanding the factors influencing the security of energy and electricity supplies and seek to develop policy frameworks and strategies to enhance them. While there is widespread agreement that the security of energy supply should be a concern for policy making, the issue has so far escaped meaningful quantification and, consequently, monetisation. Concerning the first point, quantification, the publication on which this chapter is based (NEA, 2010) has made a first important contribution by developing not only a meaningful indicator of the security of supply, but also combining it with a consistent set of data for OECD countries over 40 years (see Section 8.3).