US-based Alphabet Energy, a developer of a platform silicon thermoelectric technology, has raised $16m in series B financing led by Encana Corp.

Canada-based energy producer Encana has led a $16m series B round into Alphabet Energy, a US-based closed-loop power group converting waste heat to generate electrical power.

Vince Elenko, lead of Encana’s Environmental Innovation Fund, will join Alphabet Energy as a board observer.

There was also involvement from existing investors: venture capital firm Claremont Creek Ventures, TPG Biotech, the life science venture unit of private equity firm TPG, and the CalCEF Clean Energy Angel Fund, a seed and early stage venture…