PARIS & BOULDER, Colo.--(BUSINESS WIRE)--GDF SUEZ, a global energy independent producer and Tendril, a leading U.S. provider of Energy Services Management (ESM) solutions, announce today the signature of a partnership to better serve European electricity users. Under the terms of the agreement, GDF SUEZ, through its investment fund GDF SUEZ New Ventures targeting innovative startups, invests $7.2 million in Tendril. “We have been planning our entry into the European market for a long time,” sai