The U.S. Department of Energy (DOE), Office of Energy Efficiency & Renewable Energy publishes Sankey diagrams on non process energy on this webiste.
What is non-process energy you might ask. According to DOE, non process energy is “energy used for purposes other than converting raw material into manufactured product. MECS-specified categories of nonprocess energy include facility HVAC, facility lighting, onsite transportation, other facility support (e.g., cooking, water heating), and other nonprocess use.”
You can access the energy flow Sankey diagram for the full U.S. manufacturing sector. Data is from 2010 and flows are in TBtu (Trillion British Thermal Units) per year.
Detailed diagrams on on-site generation, process energy and non-process energy (the three ‘transforming nodes’ in the middle of the full sector) are also presented.
Grey and black arrows show losses. Good work from the Office of Energy Efficiency & Renewable Energy.