This guide, produced by the Interstate Renewable Energy Council, Inc. . Interconnection standards define how a distributed generation system, such as solar photovoltaics (PVs), can connect to the grid. Technological advances, new business opportunities, and legislative and. . NLR provides strategic leadership and technical expertise in the development of standards and codes to improve the integration, interconnection, and interoperability of electric generation and storage technologies. The landscape of solar energy is. . U. energy officials have launched an investigation after discovering unauthorized communication equipment embedded within Chinese-manufactured solar power inverters connected to critical infrastructure grids across the country.