There has been another twist in the long-running saga of Wärtsilä’s energy storage business and how the company aims to run it going forward.

There has been another twist in the long-running saga of Wärtsilä’s energy storage business and how the company aims to run it going forward.

Finnish technology group Wartsila Corp (HEL:WRT1V) will separate its energy storage business and run it as a joint venture (JV) with German solar and storage engineering firm RCT…