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Graph of hourly avg kWh electricity output per kW of Solar PV installed in Fasano, Italy (by season)

Solar Energy Potential in Fasano, Apulia, Italy

The coastal town of Fasano, Apulia, located in southern Italy, offers a promising location for solar energy generation. Situated in the Northern Temperate Zone, this Mediterranean locale experiences varying levels of solar potential throughout the year. Solar output in Fasano follows a predictable seasonal pattern. Summer stands out as the most productive season, with an impressive 7.69 kWh of electricity generated per day for each kilowatt of installed solar capacity. Spring follows as the second-best season, yielding 5.93 kWh/day. Autumn sees a significant drop to 3.60 kWh/day, while winter experiences the lowest output at 2.45 kWh/day.

Optimal Solar Panel Installation

For those considering a fixed solar panel installation in Fasano, Apulia, the ideal tilt angle to maximize year-round energy production is 34 degrees facing south. This angle takes into account the town's latitude and the sun's position throughout the year, ensuring optimal exposure to sunlight across all seasons.

Seasonal Considerations

The substantial difference between summer and winter output highlights the importance of proper system sizing. While summer months provide abundant solar energy, winter production is significantly lower. This variation suggests that a hybrid energy solution or energy storage system might be beneficial to maintain consistent power supply throughout the year.

Environmental Factors and Mitigation

Fasano's coastal location presents some challenges for solar energy production. Salt air can potentially corrode solar panels and mounting hardware over time. To mitigate this issue, installers should use marine-grade materials and apply protective coatings to the equipment. Regular cleaning and maintenance are also crucial to prevent salt buildup and ensure optimal performance. Another factor to consider is the occasional occurrence of dust storms blown in from North Africa. These events can temporarily reduce solar panel efficiency by coating the panels with fine dust. Installing automated cleaning systems or scheduling regular manual cleaning can help maintain panel efficiency during these periods. Despite these challenges, Fasano's abundant sunshine, especially during spring and summer, makes it a favorable location for solar energy production. With proper installation techniques and maintenance practices, solar PV systems in this Italian town can provide a significant and sustainable source of renewable energy.

Note: The Northern Temperate Zone extends from 35° latitude North up to 66.5° latitude.

So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 278 locations across Italy. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Italy by location

Solar output per kW of installed solar PV by season in Fasano

Seasonal solar PV output for Latitude: 40.8331, Longitude: 17.36 (Fasano, Italy), based on our analysis of 8760 hourly intervals of solar and meteorological data (one whole year) retrieved for that set of coordinates/location from NASA POWER (The Prediction of Worldwide Energy Resources) API:

Summer
Average 7.69kWh/day in Summer.
Autumn
Average 3.60kWh/day in Autumn.
Winter
Average 2.45kWh/day in Winter.
Spring
Average 5.93kWh/day in Spring.

 

Ideally tilt fixed solar panels 34° South in Fasano, Italy

To maximize your solar PV system's energy output in Fasano, Italy (Lat/Long 40.8331, 17.36) throughout the year, you should tilt your panels at an angle of 34° South for fixed panel installations.

As the Earth revolves around the Sun each year, the maximum angle of elevation of the Sun varies by +/- 23.45 degrees from its equinox elevation angle for a particular latitude. Finding the exact optimal angle to maximise solar PV production throughout the year can be challenging, but with careful consideration of historical solar energy and meteorological data for a certain location, it can be done precisely.

We use our own calculation, which incorporates NASA solar and meteorological data for the exact Lat/Long coordinates, to determine the ideal tilt angle of a solar panel that will yield maximum annual solar output. We calculate the optimal angle for each day of the year, taking into account its contribution to the yearly total PV potential at that specific location.

The sun
At Latitude: 40.8331, Longitude: 17.36, the ideal angle to tilt panels is 34° South

Seasonally adjusted solar panel tilt angles for Fasano, Italy

If you can adjust the tilt angle of your solar PV panels, please refer to the seasonal tilt angles below for optimal solar energy production in Fasano, Italy. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 34° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
25° South in Summer 44° South in Autumn 55° South in Winter 33° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Fasano, Italy as follows: In Summer, set the angle of your panels to 25° facing South. In Autumn, tilt panels to 44° facing South for maximum generation. During Winter, adjust your solar panels to a 55° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 33° angle facing South to capture the most solar energy in Fasano, Italy.

Our recommendations take into account more than just latitude and Earth's position in its elliptical orbit around the Sun. We also incorporate historical solar and meteorological data from NASA's Prediction of Worldwide Energy Resources (POWER) API to assign a weight to each ideal angle for each day based on its historical contribution to overall solar PV potential during a specific season.

This approach allows us to provide much more accurate recommendations than relying solely on latitude, as it considers unique weather conditions in different locations sharing the same latitude worldwide.

Calculate solar panel row spacing in Fasano, Italy

We've added a feature to calculate minimum solar panel row spacing by location. Enter your panel size and orientation below to get the minimum spacing in Fasano, Italy.

Our calculation method

  1. Solar Position:
    We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
  2. Shadow Projection:
    We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
  3. Minimum Spacing:
    We add the shadow length to the horizontal space occupied by tilted panels.

This approach ensures maximum space efficiency while avoiding shading during critical times, as the Winter solstice represents the worst-case scenario for shadow length.






Please enter information above to calculate panel spacing.

Topography for solar PV around Fasano, Italy

The topography around Fasano, Italy, located at approximately 40.8331° North latitude and 17.36° East longitude, is characterized by a diverse landscape that transitions from coastal plains to gently rolling hills as one moves inland. Situated in the Puglia region of southern Italy, Fasano lies near the Adriatic coast, with the terrain gradually rising towards the west. Near the coast, the land is relatively flat, featuring sandy beaches and low-lying areas. As you move slightly inland, including the area where Fasano is located, the landscape becomes more undulating, with gentle slopes and small hills. This area is known for its olive groves and vineyards, which thrive in the Mediterranean climate and take advantage of the subtle variations in elevation.

Inland Topography

Further inland, to the west and southwest of Fasano, the terrain becomes more pronounced, with higher hills and occasional rocky outcrops. This area marks the beginning of the Murge plateau, a limestone formation that extends across much of central Puglia. The Murge is characterized by a karst landscape, with numerous caves, sinkholes, and underground water systems.

Coastal Features

To the east of Fasano, the Adriatic coastline presents a mix of rocky shores and sandy beaches. The coastal area is relatively straight, with few major indentations or bays in the immediate vicinity of Fasano. This stretch of coast is part of the larger region known as the Costa dei Trulli, named after the distinctive conical-roofed stone buildings found in the area.

Suitability for Solar PV

When considering areas nearby that would be most suited to large-scale solar PV installations, several factors come into play. The gently sloping terrain inland from Fasano offers promising locations for solar farms. These areas benefit from: 1. Abundant sunlight: The region experiences a high number of sunny days per year, making it ideal for solar energy production. 2. Minimal shading: The gradual slopes and open landscapes reduce the risk of shading from geographical features or vegetation. 3. Accessibility: The moderately flat to gently rolling terrain allows for easier construction and maintenance of solar installations. 4. Land availability: Areas that are less suitable for agriculture or other development might be repurposed for solar farms. Specifically, the areas to the west and northwest of Fasano, where the land begins to rise but before reaching the more rugged parts of the Murge plateau, could be particularly well-suited for large-scale solar PV projects. These locations offer a good balance of elevation, exposure to sunlight, and accessibility. However, it's important to note that any large-scale solar development would need to be balanced with environmental considerations, agricultural needs, and the preservation of the region's cultural landscape, including its famous olive groves and trulli structures. Careful planning and environmental impact assessments would be necessary to ensure that solar installations are harmoniously integrated into the local topography and ecosystem.

Italy solar PV Stats as a country

Italy ranks 6th in the world for cumulative solar PV capacity, with 22,698 total MW's of solar PV installed. This means that 8.30% of Italy's total energy as a country comes from solar PV (that's 8th in the world). Each year Italy is generating 381 Watts from solar PV per capita (Italy ranks 7th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Italy?

Yes, there are several incentives for businesses wanting to install solar energy in Italy. The Italian government offers a range of financial incentives and tax credits for businesses that install solar energy systems. These include the Conto Energia scheme, which provides feed-in tariffs for electricity generated from renewable sources; the Superbonus 110%, which allows businesses to deduct up to 110% of their investment in renewable energy systems from their taxes; and the Ecobonus 65%, which provides a 65% tax deduction on investments in renewable energy systems. Additionally, businesses may be eligible for grants or loans from regional governments or other organizations.

Do you have more up to date information than this on incentives towards solar PV projects in Italy? Please reach out to us and help us keep this information current. Thanks!

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Fasano, Italy
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Thursday 13th of March 2025
Last Updated: Sunday 8th of June 2025

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Compare this location to others worldwide for solar PV potential

The solar PV analyses available on our website, including this one, are offered as a free service to the global community. Our aim is to provide education and aid informed decision-making regarding solar PV installations.

However, please note that these analyses are general guidance and may not meet specific project requirements. For in-depth, tailored forecasts and analysis crucial for feasibility studies or when pursuing maximum ROI from your solar projects, feel free to contact us; we offer comprehensive consulting services expressly for this purpose.

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Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide

Enhance your solar panel's performance with our in-depth guide. Determine the best tilt angle using hard data, debunk common misunderstandings, and gain insight into how your specific location affects solar energy production.

Calculate Your Optimal Solar Panel Tilt Angle