The Global Solar Photovoltaic Supply Chain and Bottom-UP Cost Model Results
2022-2029
$3/kg
Incentives for PV Manufacturing Within the United States
Following Passage of the Inflation Reduction Act (IRA)
Manufacturing PTC in
the United States
Polysilicon
2030
2031
2032
2033
$2.3/kg
$1.5/kg
$0.8/kg
$0/kg
Wafers
$12/m²
$9/m²
$6/m²
$3/m²
$0/m²
Solar Cells
4¢/W
3¢/W
2¢/W
1¢/W
0¢/W
Assembly
7¢/W
5.3¢/W
3.5¢/W
1.8¢/W
0c/W
Thin Film
18¢/W (projected)
Backsheets
$0.4/m²
$0.3/m²
$0.2/m²
$0.1/m²
$0/m²
0.25 11.0 ¢/W 0.19-8.3 ¢/W
0.13—3.3 ¢/W 0.06-2.8¢/W
O¢/W
Inverters
Sources: (1) United States House of Representatives Resolution 5376: https://www.congress.gov/bill/117th-congress/house-bill/5376/text
(2) IRA Solar Energy and Energy Storage Provisions", SEIA, 2022: https://www.seia.org/research-resources/inflation-reduction-act-solar-energy-and-energy-storage-provisions-summaryView entire presentation