Located in Catania, Sicily, Italy, an optimal setting for solar photovoltaic (PV) power generation is found. With the city's geographical coordinates at latitude 37.4925 and longitude 15.0701, this location can produce an average of 7.65 kWh per day for each kilowatt of installed solar capacity during the summer season. The output decreases to 3.67 kWh/day per kW in autumn and further drops to 3.01 kWh/day per kW in winter due to decreased sunlight hours and intensity, before rebounding to a productive yield of 6.00 kWh/day per kW during springtime.
The ideal inclination angle for fixed-panel installations here is a tilt of approximately 32 degrees facing southwards; this orientation maximizes exposure to sunlight over the course of the year without requiring tracking systems.
However, it's important to note that local weather conditions can influence energy production from solar panels significantly; heavy rain or snowfall could potentially obstruct sunlight reaching the panels and reduce their efficiency temporarily.
To mitigate these environmental challenges, regular maintenance such as cleaning off accumulated dust or snow from panel surfaces can help ensure maximum light absorption throughout the year while protecting against potential damage caused by harsh weather conditions.
Additionally, installing durable panels with high resistance against adverse weather conditions would be beneficial in maintaining consistent energy production levels even under less-than-ideal circumstances.
Overall, Catania presents favorable conditions for harnessing solar energy consistently across different seasons due largely to its geographical location and climate characteristics despite minor impediments which can be effectively managed with proper installation practices and maintenance procedures.
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 Catania
Seasonal solar PV output for Latitude: 37.4925, Longitude: 15.0701 (Catania, 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 Catania, Italy
To maximize your solar PV system's energy output in Catania, Italy (Lat/Long 37.4925, 15.0701) 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 Catania, 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 Catania, 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 |
|---|---|---|---|
| 21° South in Summer | 41° 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 Catania, 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 Catania, 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 Catania, Italy
The topography around Catania, Italy is very hilly and mountainous. Areas near the coast would be most suitable for large-scale solar PV due to their relatively flat terrain and ample sunlight. The nearby towns of Acireale, Aci Castello, and Giarre have some flat areas that could potentially be used for large-scale solar PV installations. Additionally, the hillsides surrounding these towns offer good potential for installing solar panels on a larger scale in order to take advantage of the abundant sunshine in this region.
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 13th of December 2023
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.




