Bluestone designs and implements turnkey energy efficiency solutions for a broad range of commercial and institutional customers, including data centers, hospitals, universities, supermarkets and manufacturing facilities.

Bluestone president Peter Fairbanks said that OpTerra’s financial strength and geographic scope will enable Bluestone to rapidly address the growing commercial market for energy efficiency solutions.

"We are excited to be part of OpTerra and to leverage its operating platform and technical capabilities to expand our service offerings and geographic coverage," Fairbanks said.