Harvest Power announced Thursday a $15 million extension to its Series C financing round.
The Waltham company focuses on harnessing the maximum value from organic materials through the production of renewable energy and soils, mulches, and natural fertilizers
Piper Jaffray led the extension with Tur Partners and Industry Ventures also participating, the company said.
In a statement, Harvest Power chief executive Paul Sellew said: “We are pleased to have raised $125 million this year, one of the largest capital raises in the clean-tech category. Harvest is pleased to welcome Piper Jaffray and our other new partners to help accelerate our growth. Harvest has become the face of organics management in North America. Through our proven technologies and strong roster of partners, we have revolutionized the way people in North America view organics: as valuable resources.”