Complete Solar Analysis: Tallinn, Estonia
Solar Overview
The solar resource in Tallinn provides around 1,939 annual sun hours, with optimal conditions during May. Due to its high latitude (59.44°), solar production is highly seasonal, with significant variations between summer and winter months. Tallinn offers moderate solar potential, making installations feasible with appropriate technology choices and financial incentives.
Geographic Impact
Located at 59.4370° latitude and 24.7536° longitude, Tallinn's geographical position significantly impacts its solar potential. The northern location means winter sun angles are critically low, often below 20°, making snow accumulation and ground reflection important design considerations.
Rating Methodology
Tallinn receives a "Average" rating for solar potential, derived from comprehensive analysis of 1,939 annual sun hours, 7.5°C average temperature, and geographic factors. The cooler climate enhances photovoltaic efficiency, with panels potentially exceeding rated output during cold, sunny conditions. Tallinn's solar conditions enable systems to generate 1,000-1,200 kWh per installed kW annually, supporting meaningful energy bill reductions.
Understanding the Data
The following chart shows how solar energy varies month-to-month in Tallinn. Summer months deliver 48% of the year's solar resource, dramatically exceeding winter's 12% contribution. This pattern influences both the technical design and economic viability of solar energy systems in Tallinn.
⚠️ Important: Due to the high seasonal concentration of solar production, battery storage systems are particularly valuable in Tallinn to balance energy availability throughout the year.
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