Concentrating solar thermal power technology (CSP) company, backed by Alstom Power, Chevron and BP, raises $15m and becomes technology supplier to China's first commercial scale CSP project.

BrightSource Energy, a US-based concentrating solar thermal power technology (CSP) company, has raised $15m out of a $35m planned fundraising round, according to an SEC filing on 24 July.

BrightSource Energy is reported to have said that 44 investors were involved in the equity and note offering.

Previously, in October 2012, BrightSource raised $80m in a series F round, which took BrightSource’s total equity raised to more than $615m, excluding more than $1.6bn in US government and other loans…