The Association for Demand Response & Smart Grid announced the addition of four new members. The new members are Opower, the American Public Power Association, Conservation Services Group, and Energate.

ADS is a nonprofit organization based in Washington, DC, that focuses on development and exchange of information among policymakers, utilities, technology companies, and other stakeholders. It includes as members companies and organizations, as well as individuals who consider themselves to be DR and smart grid professionals.

Opower is a leader in customer engagement and energy management software, providing the utility industry's only cross-channel customer engagement platform proven to drive energy efficiency gains on a large scale.American Public Power Association, based in Washington, DC, is the service organization for the nation's more than 2,000 community-owned electric utilities.Conservation Services Group is the leading provider of residential energy efficiency programs in North America. The nonprofit company promotes residential energy efficiency, health, safety, comfort, and building durability, helps shape energy-related public policy, and designs and implements programs backed by leading-edge information technology solutions. Energate is a leading provider of demand response and home energy management solutions including software, wireless communications, gateways, smart thermostats, switches and consumer energy displays.