Long Term Development Statement Now Updated With 2018 Statements To help existing and future users of our network to identify and assess opportunities for making new or additional use of our distribution systems, we have provided an overview of the design and operation of the network. Access to the full-Long Term Development Statements requires registration, however, you can download the summary statements by clicking the links below. Summary Statements SPM Long Term Development Summary Statement Nov 2018 SPD Long Term Development Summary Statement Nov 2018 Register for Access to the Full Long Term Development Statements Please click here to login Please click here to register