EM SC 240N
Energy and Sustainability in Contemporary Culture

Text Version of Figure 1.3

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Estimated U.S. Energy Consumption in 2021: 97.3 Quads (from Lawrence Livermore National Laboratory)

The "blocks" on the left are energy sources (2020 quads in parentheses):

  • Solar: 1.5 quads (1.25 quads)
  • Nuclear: 8.13 quads (8.25 quads)
  • Hydro: 2.28 quads (2.59 quads)
  • Wind: 3.33 quads (3.01 quads)
  • Geothermal: 0.206 quads (0.214 quads)
  • Natural Gas: 31.3 quads (31.5 quads)
  • Coal: 10.5 quads (9.21 quads)
  • Biomass: 4.83 quads (4.53 quads)
  • Petroleum: 35.1 quads (32.2 quads)

The pink blocks on the right are end-use sectors (note that electricity is NOT an end-use sector) 2020 use is in parentheses:

  • Residential: 11.7 quad (11.5 quads)
  • Commercial: 9.0 quad (78.66 quads)
  • Industrial: 26 quads (25.3 quads)
  • Transportation: 26.9 quads (24.3 quads)

The grey blocks to the far right indicate whether or not the energy was successfully used ("Energy Services") or wasted ("Rejected Energy"). 2020 use is in parentheses:

  • Rejected Energy: 65.4 quads (62.3 quads)
  • Energy Services: 31.6 quad (30.6 quads)
  • All of the numbers in the chart indicate total energy flows or uses.