Support to RAE for the development of a framework for appraising gas distribution development plans – VIS has been commissioned by the Greek Regulatory Authority for Energy (RAE) to provide support in the development of a framework for appraising 5-year Network Development Plans (NDPs) submitted by the Greek gas distribution system operators. The assignment includes development of a template for the submission of the NDPs, the methodology for appraising the constituent investment projects and the process for monitoring the NDPs’ implementation.