NovaSource Power Services | 15,567 followers on LinkedIn. NovaSource Power Services (“NovaSource”), a portfolio company of Clairvest Group Inc. (“Clairvest”, TSX: CVG) and OMERS Private Equity, the private equity arm of OMERS, is the world’s largest independent solar operations and maintenance (“O&M”) provider, delivering excellence through data-driven strategies, innovative solutions, and a world-class culture of safety, integrity, and quality. NovaSource’s comprehensive approach to total asset optimization in addition to operations and maintenance includes value engineering, performance analysis, strategic supply chain management, and advanced monitoring systems.