Giarre, Sicily, Italy is a fairly decent location for generating energy through solar photovoltaic (PV) systems year-round. The amount of electricity that can be produced varies by season due to changes in sunlight exposure and intensity. In simple terms, the more sunlight a solar panel receives, the more electricity it can generate.
During summer, each kilowatt of installed solar could produce approximately 7.65 kilowatt-hours per day. This high output makes summer an ideal time for generating solar energy at this location due to longer daylight hours and higher sun intensity.
Spring also offers good potential with about 6 kilowatt-hours of electricity generated per day from each kilowatt of installed solar panels.
Autumn and winter see a decrease in production levels due to shorter daylight hours and lower sun intensity; you could expect around 3.67 kWh/day in Autumn and even less - about 3.01 kWh/day - during Winter from each kW of installed PV system.
To maximize total annual power generation from your PV system at this location, you should ideally tilt your panels towards the south at an angle of approximately 32 degrees. This position ensures that the panels receive maximum sunlight throughout the year as it aligns with the path followed by the sun across Giarre's sky.
However, there are environmental factors that might affect solar power generation here. For instance, weather conditions such as heavy cloud cover or fog would reduce light availability thus decreasing panel efficiency temporarily until clearer weather prevails again.
Furthermore, local buildings or trees may cast shadows on your panels reducing their exposure to direct sunlight which will negatively impact their performance too.
To mitigate these issues when installing your PV system:
1) Try placing your installation where it will have unobstructed access to direct sunlight for most of the day.
2) Regularly clean and maintain your panels so they operate efficiently regardless of seasonal variations.
3) Install additional capacity if possible, to compensate for the lower production during Autumn and Winter months.
Remember, while these measures can help improve your system's performance, they cannot completely eliminate the effects of environmental factors. However, Giarre is still a suitable location for solar energy generation given its seasonal sunlight exposure.
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 Giarre
Seasonal solar PV output for Latitude: 37.7214, Longitude: 15.184 (Giarre, 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 32° South in Giarre, Italy
To maximize your solar PV system's energy output in Giarre, Italy (Lat/Long 37.7214, 15.184) throughout the year, you should tilt your panels at an angle of 32° 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 Giarre, 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 Giarre, Italy. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 32° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 22° South in Summer | 42° South in Autumn | 52° South in Winter | 30° 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 Giarre, 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 Giarre, 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 Giarre, Italy
Giarre is located on the eastern coast of Sicily, Italy. The town sits at the foot of Mount Etna, an active stratovolcano and one of the highest peaks in Italy. The topography varies from coastal plains to hilly areas with higher altitudes towards Mount Etna.
The region has a Mediterranean climate with hot summers and mild winters which makes it suitable for solar PV installations. However, considering the topography, large scale solar PV installations would be more feasible in flat or gently sloping areas rather than steep slopes or mountainous regions.
Areas like coastal plains around Giarre or relatively flat agricultural lands could potentially be suitable for such projects. Also, rooftops of buildings in urban and suburban areas can also be used for installing smaller-scale solar panels.
However, any decision on where to place large-scale solar PV should consider factors beyond just physical geography - including local regulations, availability of infrastructure (like power grids), potential environmental impacts etc., which requires detailed feasibility studies.
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!
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Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 18th of June 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.
Helping you assess viability of solar PV for your site
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.




