Pentadyne Plans AIM Offering

Pentadyne Power Corp., a Chatsworth, Calif.-based maker of flywheel power systems, said that it plans to float on London's AIM exchange late next month. The offering is designed to raise up to $30 million, which would give Pentadyne a market cap of approximately $100 million. It has raised around $29 million in VC funding since 2001, from firms like Accera Venture Partners, Nth Power, DTE Energy, Rustic Canyon Partners, Electricit