Figure 2. US Electricity Generation from Renewable Energy Sources, 1950-2019
billion kilowatt-hours
1950
1955
1960
1965
1970
1975
1980
1985
1990
1995
2000
2005
2010
2015
0
20
40
60
80
100
120
140
160
180
200
220
240
260
280
300
320
340
Hydroelectric
Biomass
Geothermal
Wind
Solar
Solar
Hydroelectric
Geothermal
Wind
Biomass
