Every few years the UK Department of Trade and Industry, now Department of Business Enterprise & Regulatory Reform, publish a chart of the nation’s energy flows. Here’s the most recently published chart based on 2007 data:

It’s a nice, high level overview of energy in the UK illustrating the flow of primary fuels from the point at which they become available from home production or imports (on the left) to their eventual final uses (on the right). Flows at the bottom represent exports, conversion losses and energy industry and non-energy use. The yellow blocks represent transformation (power stations and refineries).

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