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CleanTech

SolarMax Energy

SolarMax Energy Raises $950M Series D to Revolutionize CleanTech

$950M
Total Raised
Series D
Latest Round
2022
Founded
890
Employees
Phoenix, AZ
Updated September 12, 2025
2 min read

Quick Facts

Valuation
$14.2B
Latest Round Size
$950M
Latest Round Date
September 2025

SolarMax Energy

Next-generation solar panel technology achieving 45% efficiency through perovskite-silicon tandem cells, revolutionizing renewable energy adoption.

$950M
Series D
Valuation
$14.2B
Headquarters
Phoenix, AZ
Employees
890
Sector
Energy

About the Funding

SolarMax Energy has successfully raised $950M in a Series D funding round, bringing their total valuation to $14.2B. This significant investment will fuel the company's mission to scale manufacturing facilities globally, advance r&d for 50% efficiency panels, and expand energy storage integration.

Use of Funds

Scale manufacturing facilities globally, advance R&D for 50% efficiency panels, and expand energy storage integration

Company Overview

Next-generation solar panel technology achieving 45% efficiency through perovskite-silicon tandem cells, revolutionizing renewable energy adoption.

Market Opportunity

The cleantech market is experiencing unprecedented growth in 2025, with increasing demand for innovative solutions that next-generation solar panel technology achieving 45% efficiency through perovskite-silicon tandem cells, revolutionizing renewable energy adoption.. SolarMax Energy is positioned to capture significant market share through their differentiated technology platform and strategic partnerships.

Key Investors

  • • Tesla Energy Ventures
  • • Breakthrough Energy
  • • Shell Ventures
  • • Total Energies

Founders

  • • Dr. Solar Power
  • • Emma GreenTech

Previous Rounds

Series C
$580M
2024-05-25
Series B
$290M
2023-11-12
Series A
$120M
2023-03-08

Investment Highlights

Technology Innovation

SolarMax Energy has developed breakthrough technology that addresses key market challenges and provides significant competitive advantages in the cleantech space.

Market Traction

Strong customer adoption and revenue growth demonstrate market validation and scalability potential for SolarMax Energy's innovative solutions.

Team Excellence

Led by experienced founders with deep domain expertise, SolarMax Energy has assembled a world-class team capable of executing on ambitious growth plans.

Strategic Partnerships

Strong investor syndicate and strategic partnerships provide SolarMax Energy with the resources and market access needed for global expansion.

Looking Forward

With this $950M investment, SolarMax Energy is well-positioned to accelerate growth, expand market presence, and continue innovation in the cleantech sector. The funding will enable the company to achieve key milestones and establish market leadership while delivering exceptional value to customers and stakeholders.

Key Investors

Tesla Energy Ventures
Strategic Investor
Leading investor in CleanTech and emerging technology companies
Breakthrough Energy
Strategic Investor
Leading investor in CleanTech and emerging technology companies
Shell Ventures
Strategic Investor
Leading investor in CleanTech and emerging technology companies
Total Energies
Strategic Investor
Leading investor in CleanTech and emerging technology companies

Topics

Investment(403)CleanTechEnergyFundingSeptember 2025Series D

About the Author

Editorial Team
Editorial Team
The Editorial Team at The Report provides comprehensive coverage of the latest funding rounds and startup ecosystem developments.

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