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ET Solar is a photovoltaic module manufacturer and smart energy solutions provider founded in 2005.

Last updated October 7, 2026

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Overview

ET Solar is a multinational manufacturer of photovoltaic solar panels and a provider of smart energy solutions. Founded in 2005, the company has delivered more than 7.2 GW of solar modules worldwide, serving residential, industrial, commercial, and utility clients. Its product range includes solar panels and integrated solar solutions designed to optimize the levelized cost of electricity (LCOE) and mitigate risk for customers. ET Solar operates globally, with headquarters in China and Germany, and additional offices in the United States, South Korea, and Italy. The company has been recognized as a BNEF Tier 1 PV Module Manufacturer. Its German subsidiary, ET Solutions AG, focuses on installing large-scale turnkey solar energy systems in Europe. ET Solar has also supplied solar panels for the power supply of the Beijing Olympic Games. While the company claims full vertical integration, it collaborates with partners such as JA Solar and Motech for solar cell assembly. ET Solar was listed on NASDAQ starting in May 2010, though its current listing status is not confirmed in the available evidence.

History

ET Solar was founded in 2005. It has delivered more than 7.2 GW of solar modules worldwide. The company describes itself as a global leading provider for photovoltaic module and smart energy solutions, serving residential, industrial, commercial, and utility clients. It pursues constant innovation of solar technologies and tailored finance solutions to create smart energy solutions that maximize value, mitigate risk, and optimize the levelized cost of electricity (LCOE).

  • 2010

    ET Solar is listed on NASDAQ starting in May.

  • 2008

    German subsidiary ET Solutions AG begins installing large-scale turnkey solar energy systems in Europe.

  • 2007

    The company expands into the production of silicon ingots and wafers.

  • 2005

    ET Solar is founded (according to official website), delivering solar modules worldwide.

  • 2003

    ET Solar is founded in Nanjing, China, initially focusing on the production of solar panels.

Products and positioning

global leading provider for photovoltaic module and smart energy solutions

  • Solar panels

    Photovoltaic modules for residential, industrial, commercial, and utility clients.

  • Photovoltaic modules

    High-efficiency solar modules, recognized as BNEF Tier 1.

  • Smart energy solutions

    Integrated solar solutions including tailored finance to optimize LCOE.

  • Silicon ingots and wafers

    Produced after 2007 as part of vertical integration efforts.

  • Turnkey solar energy systems

    Large-scale installations in Europe via ET Solutions AG.

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