International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 13 Issue: 02 | Feb 2026
p-ISSN: 2395-0072
www.irjet.net
Design and Analysis of a Solar-Powered EV Charging Microgrid with Battery Storage Vivek Arvindbhai Raval1, Deepak Dev2 ----------------------------------------------------------------------***--------------------------------------------------------------------1.2 Optimal Use of Renewable Energy: Abstract – Electrical Vehicle (EV) fast charging station integrating a solar photovoltaic (PV) Generation with Battery Energy Storage System (BESS) present a promising solution to supply clean electrical energy, overcome peak power demand and improve operational economics. We present an optimal design, engineering and techno-Commercially analysis of a solar + BESS powered EV Fast Charging station suitable for India Urban and Semi – Urban Environments.
Solar power is intermittent. BESS stores excess solar energy generated during peak sunlight hours and makes it available for use during the night, cloudy periods, or peak EV charging times. This maximizes the consumption of clean, renewable energy, making EV charging truly "green" and aligning with India's climate objectives.
1.3 Cost Optimization and Peak Shaving:
Key Words: Electrical Vehicle (EV) fast is charging station, solar photovoltaic (PV) Plant, Battery Energy Storage System (BESS).
By storing cheaper solar or off-peak grid electricity, charging station operators can avoid drawing power from the grid during expensive peak-rate periods (time-of-use tariffs). This "peak shaving" significantly lowers operational costs, which can be passed on to consumers as more costeffective charging rates.
1. INTRODUCTION Integrating solar plants and Battery Energy Storage Systems (BESS) into fast EV charging stations in India is a pivotal strategy to address grid constraints, enhance sustainability, and improve economic viability. This integrated approach enables a more resilient and efficient e-mobility ecosystem.
1.4 Energy Resilience and Backup Power: In areas with an unreliable grid or frequent power outages, BESS provides a reliable emergency power source, ensuring uninterrupted charging services. This is especially crucial for highway stations or critical fleet operations.
1.5 Enabling Deployment in Remote Areas: Off-grid solar-BESS configurations allow for the establishment of fast-charging stations in remote or rural areas where grid connectivity is limited or costly to upgrade, promoting wider EV adoption across India.
1.6 Improved Power Quality: Advanced control systems within the integrated setup can provide power factor correction and harmonics filtering, ensuring a stable and clean power supply that protects sensitive EV charging equipment and the grid itself.
Figure 1: Block diagram of Compact Solar Bess-EV Charging Station
2. Technical and Operational Aspects:
1.1 Grid Independence and Stability:
2.1 Solar PV System: Sized to maximize energy generation based on site-specific solar irradiance and demand profiles. It uses inverters with Maximum Power Point Tracking (MPPT) capability to optimize energy capture.
Fast charging demands high power instantly, which can strain the local grid and cause instability (e.g., voltage fluctuations). BESS acts as a buffer, storing energy and delivering it rapidly to EVs, thus reducing sudden peak loads on the main grid infrastructure.
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2.2 Battery Energy Storage System (BESS): The battery (commonly Lithium Iron Phosphate (LFP) for safety and durability) is integrated to store excess solar energy and provide power during peak demand or low solar generation.
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