Author
Daniel Chang
Daniel Chang is the Vice President of Business Development at RETC where he is responsible for all sales and marketing activity. Daniel has over 15 years of technical sales and product management experience in the solar and semiconductor industry. Prior to joining RETC, Daniel has held roles in engineering, technical sales, and product management at First Solar, Jinko Solar, Trina Solar, SunPower and Applied Materials. He is a graduate of the University of California, Berkeley with a degree in Mechanical Engineering.
Advertisement
Articles written by Daniel Chang
U.S. government finalizes trade duties on solar imports from India, Indonesia, and Laos
The U.S. Department of Commerce has issued final dumping and subsidy duty rates on solar imports from India, Indonesia, and Laos, setting combined margins as high as 234% for India, 178% for Indonesia, and 103% for Laos.
Sep 14, 2026
Trump signs Section 232 tariffs, placing minimum import price on polysilicon imports
Following a Section 232 investigation into polysilicon and its derivatives, the White House has announced plans to implement a 15% tariff on polysilicon imports to the United States, along with price floors for polysilicon along with solar ingots, wafers, cells and modules derived from the material.
United Solar completes $1.6 billion raise for Oman polysilicon factory
United Solar announced financial close on a $50 million equity investment from the International Finance Corporation. With this, the company says it has completed the $1.6 billion funding for the polysilicon factory it is currently working to bring online in Oman’s Sohar Free Zone.
Advertisement
Unigrid unveils sodium-ion residential energy storage systems
Unigrid has launched Na+Casa, a sodium-ion residential energy storage system using its proprietary NaCrO₂ cathode technology, claiming a 10,000-cycle lifespan, wide temperature tolerance, and improved safety compared with lithium-ion batteries. The 9.25 kWh wall-mountable system has begun initial European installations, with US launch planned for 2026.
Trump administration reportedly drafting ban on Chinese solar inverters
The ban, which sources say is being drafted by the Federal Communications Commission, may take effect as early as this year, and follows actions in Europe to restrict funding for projects that use inverters from “high-risk” suppliers.
Advertisement
Nextpower files patent lawsuit against Gamechange
In a lawsuit filed in the US District Court of Delaware, Nextpower alleges that Gamechange Energy has infringed on three of its patents related to tracker technology and software. Gamechange has denied the infringements and says it plans to mount a full defense.
Tandem PV announces 30.4% efficient perovskite/silicon demonstration module
The 100 cm² mini-module, featuring the company’s proprietary 4-terminal perovskite glass layer atop a high-efficiency Maxeon IBC silicon solar cell, is now in third-party certification. Company CEO Scott Wharton says the breakthrough paves the way for full-size modules that hit 28% efficiency later this year, aimed at the utility-scale market.
Advertisement
Press releases
Press Release
Alectris
Nov 27, 2018
Press Release
CDP
Mar 19, 2018
Press Release
Intersolar India
Mar 07, 2018