Abstract:

Employing WRI China's EV-Grid Simulator, this report analyzes the impact of increased EV uptake and different charging strategies on the electrical grid in Beijing and Suzhou both on the transmission level and the distribution level. The analysis’ Business-as-usual (BAU) and High-impact scenarios estimate increases in peak load depending on PEV uptake and charging behaviors (such as charging powers and frequencies). Through Monte Carlo Simulation and Linear Programming, the analysis determines whether negative impacts to the grid can be minimized through Vehicle-Grid Integration (VGI) measures, such as managed charging and vehicle-to-grid (V2G). Results demonstrate that VGI measures could successfully mitigate peak load increases and potential defer costly grid capacity expansions.