Lisbon Solar Irradiation: Annual Analysis & Insights
Solar Overview
Lisbon experiences approximately 2,869 hours of sunshine each year, with strongest solar gains in July. At 38.72° latitude, seasonal solar variation is minimal, providing predictable and stable energy generation throughout the year. These good solar conditions make Lisbon a practical location for renewable energy installations with dependable output.
Geographic Impact
Lisbon's location at 38.7223° latitude and -9.1393° longitude plays a crucial role in determining solar production patterns. This latitude offers excellent solar conditions with minimal seasonal variation, typically seeing winter production at 70-80% of summer levels.
Rating Methodology
Solar potential in Lisbon is rated "Good" based on detailed evaluation of irradiation levels (2,869 hours), temperature conditions (18.0°C), and seasonal patterns. Temperature conditions fall within the ideal range for maximizing photovoltaic efficiency and long-term system reliability. The reliable solar resource in Lisbon provides consistent production that supports both energy independence and cost savings.
Understanding the Data
The chart displays monthly solar energy availability throughout the year in Lisbon. Solar energy production is relatively balanced throughout the year, with July receiving the most sun hours. Understanding this seasonal distribution is crucial for optimal system sizing and accurate financial projections.
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