Oslo Sun Hours: Understanding Your Solar Investment
Solar Overview
Oslo's solar energy potential is characterized by 1,793 sun hours yearly, with the highest irradiation in May. The high latitude of 59.91° means Oslo receives intense summer sun but substantially reduced winter irradiation. While solar conditions are limited, Oslo can still support solar installations, particularly with advanced technology and favorable incentives.
Geographic Impact
Positioned at 59.9139° latitude and 10.7522° longitude, Oslo's geographic coordinates shape its solar resource profile. At this high latitude, the sun angle is considerably lower during winter months, which reduces solar panel efficiency and makes optimal panel tilt angles more critical for year-round performance.
Rating Methodology
With 1,793 sun hours annually and 7.0°C average temperature, Oslo achieves a "Poor" solar potential rating. Cold temperatures improve solar panel performance by 5-10% above standard ratings, though winter snow management should be considered. Solar installations in Oslo typically achieve capacity factors of 10-12%, requiring careful economic evaluation and optimal system design.
Understanding the Data
The chart below shows the monthly distribution of sun hours in Oslo. A significant seasonal concentration is evident, with 48% of yearly irradiation occurring during summer versus 12% in winter months. Such seasonal characteristics are important factors in determining appropriate battery storage capacity and grid integration strategies.
⚠️ Note: Notable seasonal variation suggests that battery storage or grid connection helps optimize energy usage across all seasons.
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