Sun Hours and Solar Potential in Perth, Australia
Solar Overview
Solar installations in Perth can expect 3,226 sun hours per year, with optimal generation during January. This -31.95° latitude location offers consistent sun angles, making solar installations highly productive across all seasons. Perth presents good opportunities for solar energy development, with above-average irradiation supporting viable projects.
Geographic Impact
Located at -31.9505° latitude and 115.8605° longitude, Perth's geographical position significantly impacts its solar potential. At -31.95°, sun angles remain favorable year-round, with winter angles still exceeding 35-40°, ensuring strong production across all months.
Rating Methodology
Perth receives a "Good" rating for solar potential, derived from comprehensive analysis of 3,226 annual sun hours, 19.0°C average temperature, and geographic factors. The balanced thermal environment supports optimal panel performance and extended system lifespan. Perth's solar conditions support reliable energy production, with systems typically generating 1,200-1,400 kWh per installed kW yearly.
Understanding the Data
The graph below demonstrates seasonal solar production patterns in Perth. The data shows well-distributed solar production across months, with January showing peak irradiation. These monthly variations directly impact solar panel tilt angle selection and overall system design considerations.
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