Lawrence Livermore Labs, in its Energy Flow Diagram of the U.S. (based on 2009 data), gets us most of the way there. Of the total 41.5 Quads used in buildings (1 Quad is equivalent to 1,050 ...

Every year, LLNL produces a new energy flow chart showing the sources of US energy, what it’s used for, and how much of it is wasted. If you’ve never seen it before, it’s a bit of a mind-blower.

Each year, the Department of Energy’s LLNL releases a Sankey diagram that tracks the nation’s consumption of energy resources. The 2012 Energy Flow Chart estimates, based on data from the ...

Most energy flow diagrams in textbooks show production flowing from one trophic level into another. In reality, however, production is a growth process that must first add to the mass of ...

More so than ever before, the United States is powered by a diverse mix of energy sources. The interactive diagrams that follow explore the past, present and future of this complex system.

Energy flow diagrams often depict secondary production as the flow leaving one trophic level and entering (being ingested by) the next. Many ecologists, however, ...

The Australian government’s official energy flow diagram for 2022-23 is revealing. Out of the 11,201 petajoules (PJ) of coal produced or imported, Australia exports an astonishing 9,626 PJ.