TS Conductor (TS), a US-based manufacturer of advanced electric power lines, announced the close of a $60 million growth investment round led by Wellington Management. The funds will be used to open a second US production facility, which is part of the company's plan to greatly increase production of its high-performance conductors in response to strong customer demand.

The oversubscribed investment round also included Quanta Services, Gates Frontier, Energy & Environment Investment, Inc., Blue Earth Capital, and Edison International, and repeat investors National Grid Partners, Breakthrough Energy Ventures, and a subsidiary of NextEra Energy Resources.