Question

Lawrence Livermore National Laboratory Estimated U.S. Energy Consumption in 2017: 97.7 Quads Net Electricity 0.06 Imports Solar 0.775 D.48 12.5 8.42 Electricity Generatlon Nuclear 8.42 0.15 24.7 37.2 2.75 Hydro 2.77 Rejected Energy 3.75 0.19 Residential 2.35 Wind 2.36 0.04 10.7 66.7 4.58 0.33 0.88 6.97 Geothermal 0.211 3.16 4.6 0.02 0.08 Commercial 8.99 9,54 3.29 5.84 0.16 0.83 0.02 Natural Gas .23 0,02 9.84 0.01 28.0 12.9 Industrial 26.2 Energy Services 1.24 12.4 2.48 12.7 8.38 31.1 Coa 14.0 D.D3 0.76 0.52 Biomass Transportation 4.91 22.2 1.43 25.9 28.1 0.21 5.91 Petroleum 36.2

a) Based on US energy flow for 2017, what is the average conversion efficiency for electrical
plants?
b) What is the average conversion efficiency within each sector for: residential, commercial,
industrial, and transportation?

Answer 1

(a 28.o 14.4.136.2 17-636 31.1 nension 97.636 -31.353 % nve osion Tot 6.97 Lo Avg. Convension 2 lo.72

to- To+0 enemt at-3.IS Coast-3.IS Aut 647961 ニ 25.2- Av Canversion e (iv) Transportatio- eneay hot-28 이 28.