ESNA: making standards available to grow the ecosystem. Energy Services Network Association (ESNA) is an independent global, not-for-profit association under Dutch law. Members are utilities, software, hardware and service providers, and solution integrators sharing a common goal and vision for promoting open standards for energy demand side management, smart grid and smart metering systems. The association promotes the adoption of the Open Smart Grid Protocol (OSGP) and related services and infrastructure, based on Networked Energy Services (NES), together with the value-added applications for secure, reliable and cost-effective automatic meter management, smart grid management, billing, CRM, CIS and other applications.