Gigasun AB

Founded in 2014, Gigasun AB is a limited company headquartered in Stockholm, Sweden with approximately 11-50 employees specializing in Solar.

Gigasun is a solar energy company founded by Swedish SolTech Energy Sweden AB and Chinese Advanced Solar Power Hangzhou Inc. The company finances, builds, owns and manages solar PV installations for medium-sized and large companies and organizations in China. Customers commit to 20-year contracts to purchase electricity generated by the installations. As of 2026, Gigasun has approximately 404 MW of installed capacity across multiple projects in China. The company was founded in 2014 and is listed on Nasdaq First North Growth Market. Gigasun accelerates the transition to solar energy in China, where coal accounts for nearly 70% of electricity generation, delivering significant environmental benefits and cost savings for customers.