$0.36
$76.67
2014
10
05
00
95
90
85
80
1977
80
60
40
20
0
Cost of silicon photovoltaic solar cells,
US$ per watt
$0.36
$76.67
2014
10
05
00
95
90
85
80
1977
80
60
40
20
0
Cost of silicon photovoltaic solar cells,
US$ per watt
$0.36
$76.67
2014
2010
2005
2000
1995
1990
1985
1980
1977
80
60
40
20
0
Cost of silicon photovoltaic solar cells,
US$ per watt
$0.36
$76.67
2014
2010
2005
2000
1995
1990
1985
1980
1977
80
60
40
20
0
Cost of silicon photovoltaic solar cells,
US$ per watt