Tezpur Uni's 40kW Off-Grid PV Microgrid: PVsyst Design Study
By Anjana Saikia
TL;DR: This study outlines the successful design and simulation of a 40 kW off-grid solar microgrid for an institutional building in India, achieving 81.4% efficiency.
- Off-grid PV microgrids can fully meet building energy demands.
- PVsyst software offers precise design and performance modeling.
- Site-specific data is crucial for system optimization.
- Detailed loss analysis improves system efficiency planning.
- Building-integrated renewables enhance energy resilience.
Why it matters: Implementing off-grid solar solutions can empower institutions and communities to achieve energy independence and reduce their carbon footprint, especially in regions with unreliable grid access or high energy costs.
Do this next: Explore open-source or commercial PV design software to model a small-scale solar array for your own energy needs.
Recommended for: Practitioners and institutions interested in designing and implementing resilient, off-grid photovoltaic microgrids.
This academic case study designs a 40 kW off-grid PV microgrid for the Department of Electronics and Communication Engineering at Tezpur University, India, using PVsyst software to meet a 37 kW daily peak load. The simulation optimizes PV panels and inverters based on site-specific solar potential, irradiation, temperature, wind velocity, and other factors, achieving 81.4% system efficiency while fully satisfying building demands. Key methods include load estimation, geographical solar resource calculation, and detailed loss analysis for annual energy generation. PVsyst enables precise sizing and performance modeling, providing data on electrical output, environmental impacts, and optimization. Practical details encompass array configuration, inverter matching, and microgrid architecture for standalone operation, offering actionable insights for institutional or homestead-scale off-grid PV deployments. The study validates the design's ability to handle variable conditions, serving as a replicable template with simulation-driven metrics for practitioners designing resilient, building-integrated renewable systems in diverse climates.