Xtreme Power, based in Kyle, has secured $10 million in financing, according to a Securities and Exchange Commission filing.
The company, founded in 2004, designs, engineers, manufactures and operates integrated energy storage and power management systems, called Dynamic Power Resources.
It sells its products to independent power producers, transmission and distribution utilities and commercial and industrial companies.
The privately-held company has raised more than $50 million in the last eight years from Sail Venture Partners, Bessemer Venture Partners, The Dow Chemcial Co., Fluor, Dominion Power, Spring Ventures, BP, Posco and Skylake Incuvest Co.