# An Online Pricing Mechanism for Electric Vehicle Parking Assignment and Charge Scheduling

## TL;DR

This paper presents an online pricing framework for efficient EV parking and charging management across multiple locations, optimizing user utility and operational costs in real-time scenarios.

## Contribution

It introduces a novel online pricing mechanism for EV parking and charge scheduling that accounts for multiple locations, resource constraints, and variable arrivals.

## Key findings

- The proposed mechanism effectively approximates offline solutions.
- Simulation results show improved cost efficiency and user utility.
- The framework supports integration with solar energy and reduces grid electricity costs.

## Abstract

In this paper, we design a pricing framework for online electric vehicle (EV) parking assignment and charge scheduling. Here, users with electric vehicles want to park and charge at electric-vehicle-supply-equipment (EVSEs) at different locations and arrive/depart throughout the day. The goal is to assign and schedule users to the available EVSEs while maximizing user utility and minimizing operational costs. Our formulation can accommodate multiple locations, limited resources, operational costs, as well as variable arrival patterns. With this formulation, the parking facility management can optimize for behind-the-meter solar integration and reduce costs due to procuring electricity from the grid. We use an online pricing mechanism to approximate the EVSE reservation problem's solution and we analyze the performance compared to the offline solution. Our numerical simulation validates the performance of the EVSE reservation system in a downtown area with multiple parking locations equipped with EVSEs.