Figure ES3. Share of Electric Power Industry Net Generation by Energy Source, 1999 vs. 2000: Figure E S 3 is a bar graph of the share of electric power net generation by energy source for 1999 and 2000. There are ten bars in the graph; one for each year for each of five energy sources: 1) nuclear; 2) hydro; 3) natural gas; 4) petroleum and other; and 5) coal. Back