ArcelorMittal has reinvested in the CSP technology developer through the latter’s reverse merger with Athena Technology Acquisition Corp.

Heliogen, the US-based renewable energy technology developer backed by steel and mining group ArcelorMittal and energy utility Edison International, agreed yesterday to a reverse merger with special purpose acquisition company Athena Technology Acquisition Corp.

The combined business will be valued at $2bn and will retain Athena’s listing on the New York Stock Exchange, taken when Athena raised $250m in an initial public offering in March this year.

The deal will include a $165m private investment in public equity transaction…