Solar PV Analysis of Taranto, Italy
Taranto, Apulia, Italy, situated at 40.4617°N, 17.2436°E, offers a promising location for solar PV energy generation throughout the year. This coastal city in the Northern Temperate Zone experiences varying levels of solar potential across different seasons.
Seasonal Solar Performance
Summer stands out as the peak season for solar energy production in Taranto, Apulia, with an impressive daily output of 7.71 kWh per kW of installed solar capacity. Spring follows as the second-most productive season, yielding 5.98 kWh/day. Autumn sees a significant decrease in solar potential, generating 3.66 kWh/day, while winter experiences the lowest output at 2.52 kWh/day.
The most favorable period for solar energy generation in Taranto spans from late spring through early autumn. During these months, longer daylight hours and higher sun angles contribute to increased solar panel efficiency.
Optimal Panel Tilt
For fixed panel installations in Taranto, Apulia, the ideal tilt angle to maximize year-round solar production is 34 degrees facing South. This angle optimizes the panels' exposure to sunlight throughout the year, accounting for seasonal variations in the sun's position.
Environmental Considerations
While Taranto's climate is generally favorable for solar energy production, there are a few environmental factors to consider:
- Coastal location: Proximity to the sea may lead to salt spray accumulation on panels, potentially reducing efficiency over time.
- Dust and pollution: Taranto's industrial activities might contribute to air pollution, which can settle on panels and decrease their performance.
Preventative Measures
To mitigate these environmental challenges and ensure optimal solar energy production, consider implementing the following measures:
- Regular cleaning: Schedule frequent panel cleaning to remove salt deposits, dust, and other debris.
- Protective coatings: Apply anti-corrosive and hydrophobic coatings to panels to minimize salt and dust accumulation.
- Monitoring systems: Install real-time monitoring systems to detect performance issues promptly and address them efficiently.
By addressing these factors and implementing appropriate preventative measures, Taranto can effectively harness its solar potential and maximize energy production throughout the year.
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 338 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 Taranto
Seasonal solar PV output for Latitude: 40.4617, Longitude: 17.2436 (Taranto, 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:
Ideally tilt fixed solar panels 34° South in Taranto, Italy
To maximize your solar PV system's energy output in Taranto, Italy (Lat/Long 40.4617, 17.2436) 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.
Seasonally adjusted solar panel tilt angles for Taranto, 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 Taranto, 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 |
|---|---|---|---|
| 24° South in Summer | 44° South in Autumn | 55° South in Winter | 33° South in Spring |
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 Taranto, 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 Taranto, Italy.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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.
Topography for solar PV around Taranto, Italy
The area around Taranto, Italy, is characterized by a diverse and interesting topography. Taranto itself is situated on the coast of the Ionian Sea, with the city spread across a narrow peninsula and some small islands. The immediate coastal area is relatively flat, with sandy beaches and gentle slopes leading away from the shore.
As you move inland from Taranto, the landscape gradually becomes more varied. To the north and northwest, the terrain begins to rise into rolling hills, which are part of the larger Murge plateau. These hills are generally not very high, typically reaching elevations of 300 to 500 meters above sea level. The soil in this area is often rocky and limestone-rich, supporting olive groves, vineyards, and other Mediterranean vegetation.
To the east and northeast of Taranto, the land remains relatively flat for some distance, forming part of the Salento peninsula. This area is known for its expansive plains and gentle undulations, with occasional low hills breaking up the landscape.
For large-scale solar PV installations, the most suitable areas would likely be found in the flatter regions to the east and northeast of Taranto. These areas offer several advantages for solar energy production:
- Ample flat or gently sloping land, which is ideal for installing large arrays of solar panels
- Fewer natural obstacles like mountains or dense forests that could cast shadows or complicate construction
- Generally good road access, making it easier to transport equipment and maintain the facilities
- Proximity to existing power infrastructure in and around Taranto
The hilly areas to the north and northwest, while potentially suitable for smaller solar installations, may present more challenges for large-scale projects due to the uneven terrain and potential shading issues.
It's worth noting that the entire region around Taranto experiences a Mediterranean climate with abundant sunshine, making it generally favorable for solar energy production. However, specific site selection would require detailed local assessments, considering factors such as exact land contours, soil stability, and proximity to power grids and substations.
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
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 18th of September 2024
Last Updated: Monday 21st of July 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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