Abound was founded in 2007 after 15 years of development at Colorado State University and with support from the National Renewable Energy Laboratory and raised $300m of equity over its lifetime.

Abound Solar, a US-based company developing solar panel modules, plans to file for bankruptcy this week despite having raised $260m in equity in three years from a large group of investors including oil major BP.

Abound, formerly known as AVA Solar, had also closed $400m in loan guarantee from the US Department of Energy (DoE) to expand its manufacturing to a second plant making thin-film, cadmium telluride (CdTe) solar photovoltaic modules. However, Abound said it had collected only $70m of…