Renewable Energy Cost Trends
Wind
1980      1990      2000      2010      2020
Biomass
Geothermal
PV
Solar thermal
Levelized cents/kWh in constant $2000
Text Box: COE cents/kWh
COE cents/kWh
1980      1990      2000      2010      2020
1980      1990      2000      2010      2020
1980      1990      2000      2010      2020
1980      1990      2000      2010      2020
45
30
15
Text Box: COE cents/kWh
COE cents/kWh
100
80
60
40
20
10
8
6
4
2
70
60
50
40
30
20
10
12
9
6
3
Source:  NREL Energy Analysis Office. Updated: June 2002