At the highest level, the Army Installation Energy and Water Sankey diagrams illustrate that Army installations are utilizing only 50 percent of energy and 40 percent of water in a productive manner.

Each year, the Department of Energy’s LLNL releases a Sankey diagram that tracks the nation’s consumption of energy resources. ... News & Technology for the Global Energy Industry.

Sankey diagrams show that the total energy transferred into a system is equal to the useful energy transferred plus the energy dissipated or 'wasted'. This confirms that energy is conserved.