United States

Top 15 largest US Companies in the Solar industry by Market Cap

This is the list of the largest public listed companies in the Solar industry from the United States by market capitalization with links to their reference stock.

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Top Solar Companies from the United States as of Jul. 01, 2025

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Rank Company Market Cap (USD) Country Sector Industry
1 First Solar, Inc. $19.84 B United States US Technology US Solar
2 Enphase Energy, Inc. $5.59 B United States US Technology US Solar
3 Sunrun Inc. $2.40 B United States US Technology US Solar
4 Shoals Technologies Group, Inc. $999.7 M United States US Technology US Solar
5 Hypersolar, Inc. $206.6 M United States US Technology US Solar
6 SunPower Corporation $164.6 M United States US Technology US Solar
7 ReneSola Ltd $98.0 M United States US Technology US Solar
8 FTC Solar, Inc. $64.6 M United States US Technology US Solar
9 Sunnova Energy International Inc. $35.1 M United States US Technology US Solar
10 Beam Global $24.8 M United States US Technology US Solar
11 Array Technologies, Inc. United States US Technology US Solar
12 Nextracker Inc. United States US Technology US Solar
13 Natcore Technology, Inc. United States US Technology US Solar
14 Go Solar USA, Inc. United States US Technology US Solar
15 Array BioPharma Inc United States US Technology US Solar

Top Solar Companies from the United States as of Jul. 01, 2025

1. First Solar, Inc.

Company Profile: First Solar, Inc.
Market Cap (USD): $19.84 B
Country: United States
Sector: US Technology
Industry: US Solar

2. Enphase Energy, Inc.

Company Profile: Enphase Energy, Inc.
Market Cap (USD): $5.59 B
Country: United States
Sector: US Technology
Industry: US Solar

3. Sunrun Inc.

Company Profile: Sunrun Inc.
Market Cap (USD): $2.40 B
Country: United States
Sector: US Technology
Industry: US Solar

4. Shoals Technologies Group, Inc.

Company Profile: Shoals Technologies Group, Inc.
Market Cap (USD): $999.7 M
Country: United States
Sector: US Technology
Industry: US Solar

5. Hypersolar, Inc.

Company Profile: Hypersolar, Inc.
Market Cap (USD): $206.6 M
Country: United States
Sector: US Technology
Industry: US Solar

6. SunPower Corporation

Company Profile: SunPower Corporation
Market Cap (USD): $164.6 M
Country: United States
Sector: US Technology
Industry: US Solar

7. ReneSola Ltd

Company Profile: ReneSola Ltd
Market Cap (USD): $98.0 M
Country: United States
Sector: US Technology
Industry: US Solar

8. FTC Solar, Inc.

Company Profile: FTC Solar, Inc.
Market Cap (USD): $64.6 M
Country: United States
Sector: US Technology
Industry: US Solar

9. Sunnova Energy International Inc.

Company Profile: Sunnova Energy International Inc.
Market Cap (USD): $35.1 M
Country: United States
Sector: US Technology
Industry: US Solar

10. Beam Global

Company Profile: Beam Global
Market Cap (USD): $24.8 M
Country: United States
Sector: US Technology
Industry: US Solar

11. Array Technologies, Inc.

Company Profile: Array Technologies, Inc.
Country: United States
Sector: US Technology
Industry: US Solar

12. Nextracker Inc.

Company Profile: Nextracker Inc.
Country: United States
Sector: US Technology
Industry: US Solar

13. Natcore Technology, Inc.

Company Profile: Natcore Technology, Inc.
Country: United States
Sector: US Technology
Industry: US Solar

14. Go Solar USA, Inc.

Company Profile: Go Solar USA, Inc.
Country: United States
Sector: US Technology
Industry: US Solar

15. Array BioPharma Inc

Company Profile: Array BioPharma Inc
Country: United States
Sector: US Technology
Industry: US Solar

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