; (2) to develop highly flexible, configurable, and interactive networks of utility, customer, and third-party systems with an IoT community enabling framework; (3) to inform the creation of standards and regulations; and (4) to increase regulatory and utility confidence in technologies and systems that are instrumental to the integration and optimization of distributed energy resources, including integrated energy systems. (e) Use of funds A grant provided under this section may be used for any project that implements measures to advance the integration and optimization of distributed energy resources, as determined by the Secretary, including a project— (1) on advanced voltage control or optimization systems; (2) addressing dynamic protection schemes to manage reverse power flows, communications, sensors, energy storage, switching, and smart-inverter networks; (3) on advanced distribution management systems, such as automated substations; (4) on cybersecurity technologies and applications; (5) supporting nonrecurring engineering costs of adoption and implementation, among multiple manufacturers of grid-connected devices, of standards that enhance interoperability and connectivity on electricity systems; and (6) for manufacturers of grid-connected devices or electric utilities to establish full-time positions to design and implement technologies that promote grid flexibility. (f) Authorization of appropriations There is authorized to be appropriated to carry out this section $50,000,000, to remain available for a period of 10 years following the fiscal year for which the amounts were appropriated. 4. Smart water heater demonstration program (a) Definitions In this section: (1) Eligible entity The term eligible entity means— (A) an electric utility