Introduction

This is an investigation of the capacity and capabilities of the module r.sun, one of the utilities of the Geographical Resources Analysis Support System (GRASS). Using Southeastern Ontario as case study, insolation, including temporal and spatial variation of albedo, was computed to output reliable solar energy for large scale solar PV farm development in the region.

Background

A comprehensive background for modeling solar energy can be found in Duffie J.A. and W.A. Beckman. (1991). Solar Engineering of Thermal processes. John Wiley & Sons, 2ed.

Hofierka J., Šúri M. (2002). The solar radiation model for Open source GIS: implementation and applications. Proceedings of the Open source GIS - GRASS users conference, Italy. provides a detailed guide on how to run the module.

Methodology

Result

Daily insolation per unit area in Southeastern Ontario.jpg
Candidates for ground mounted solar PV farms in Southeastern Ontario.jpg

References

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