Volume 61

Managing Local Power Grid Constraints with Vehicle-to-Grid and Virtual Power Line Solutions Agnes Lindberg, Svante Monie, Mattias Gustafsson, Johan Hollsten

Abstract

This study explores how electric vehicles, and a stationary battery energy storage system associated with a PV park can help manage capacity constraints and enhance resilience in a local power grid. Using real grid data and hourly power usage, simulations were carried out for three representative periods with different penetration rates for PV and electric vehicles. Results show that a virtual power line activates to different extents during different seasons. In low and medium-load periods, it primarily transfers PV produced electricity to electric vehicles, enabling up to 32% more PV utilization. In high load period the concept can supply all peak demand via the electric vehicles. Aggregators and electric vehicles are likely to become a natural part of the energy ecosystem. With suitable business models, those actors can increase network resilience without CAPEX or OPEX for the grid company.

Keywords renewable energy resources, mitigation technologies, intelligent energy systems, resilience