Cost uncertainty has latterly come to be presented in the UK’s Department of Energy and Climate Change (DECC) Levelised Cost of Electricity (LCOE) estimates using sensitivities; ‘high’ and ‘low’ figures presented alongside central estimates. This presentation of uncertainty is limited...

We represent hourly, regional wind data and transmission constraints in an investment planning model calibrated to the UK and test sensitivities of least cost expansions to fuel and technology prices. Thus we can calculate the value of transmission expansions to the system. We represent limited...