5. High Voltage Direct Current
7. A number of these projects are designed to facilitate increased power transfer between Scotland and England. The costs above reflect project costs related to the Scottish TOs and assumes currently that cross border HVDC project costs are split 50:50 between Scotland and England. The Network Option Assessment only considers major network investment, it does not include connections works or non-load related investment. Costs are for investments recommended against the FES 2017. Investment recommendations are reviewed annually by NGESO.
13. There is a trial project taking place in Wales just now involving the local electricity and gas distribution networks, and which looks at the operation and effects of hybrid heat pumps (https://www.westernpower.co.uk/projects/freedom)