Abstract:
The automotive sector is undergoing a transitional phase toward electrification with
the goal of achieving climate sustainability. Renewable powered electric vehicle (EV)
charging infrastructure can play a vital role towards this paradigm shift. To support
and provide a roadmap to this transition, the current study aims to investigate a
sustainable planning approach for optimal renewable powered electric vehicle
charging stations (EVCS) within institutional premises. A feasibility analysis for
various renewable based EV’s charging station’s configurations have been carried out
based on multi-objective techno-economic and environmental indicators including
Levelized cost of energy (LCOE), Net present cost (NPC), and Carbon emissions. The
proposed planning approach has been applied under Fast charging for private vehicles
and on-board charging for Ez-bikes and shuttles (FCOBC) and medium charging for
private vehicles and on-board charging for Ez-bikes and shuttles (MCOBC). Results
revealed that, PV system backed with utility grid enabling both energy purchase and
sale during peak hours and off-peak hours, respectively remained the most feasible
configuration for EV charging infrastructure experiencing an LCOE of $0.1289/kWh
to $0.1262/kWh and $0.1168/kWh to $0.1161/kWh for both FCOBC and MCOBC,
respectively for all loading scenarios. Along with environmental analysis, a forest
absorbing carbon emissions analysis has been performed to provide a policy
optimization for future environmental outlook. Results validations have been
undertaken under levelized average tariffs of single point supply (above 66KV) of
different government owned distribution companies, which indicated the commercial
efficacy of proposed EV charging infrastructure, where the LCOE is lower than the
real time operational tariffs within the region. Finally, a sensitivity analyses are carried
under different uncertainties to check the optimization behaviour of proposed systems.
