Cost reductions

$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