Poggio Catino, Lazio, Italy shows a typical seasonal solar energy pattern for its location in the Northern Temperate Zone, with significant variations throughout the year that make it moderately suitable for solar PV installations.
Seasonal Solar Performance
The location experiences strong seasonal contrasts in solar energy generation. Summer delivers the highest output at 7.31kWh per day per kW of installed capacity, making it the peak production season. Spring follows as the second-best performing season with 5.67kWh per day per kW, offering excellent generation potential as daylight hours increase. Autumn sees a notable decline to 3.57kWh per day per kW, while winter presents the most challenging conditions with only 2.09kWh per day per kW. This represents a dramatic difference between peak summer and winter production, with summer generating more than three times the energy of winter months.Optimal Installation Configuration
For fixed panel installations at Poggio Catino, Lazio, the ideal tilt angle is 36 degrees facing south to maximize total year-round production. This angle is calculated by analyzing daily solar elevation angles at the latitude, determining optimal panel positioning, and weighting these angles by daily photovoltaic potential using solar irradiance data while accounting for Earth's elliptical orbit.Environmental and Weather Challenges
Several local factors could potentially impact solar production at this Italian location:- Mediterranean climate patterns - The region experiences hot, dry summers but can have cloudy, wet winters that reduce solar irradiance during already low-production months
- Dust and pollen accumulation - Rural Italian locations often experience dust from agricultural activities and heavy pollen loads during spring months
- Potential for occasional hail - Central Italian locations can experience severe weather events including hailstorms that may damage panels
- Snow loading in winter - While not extreme, occasional snow accumulation could temporarily block panels during the already challenging winter months
Preventative Measures for Enhanced Performance
To maximize solar energy production despite these challenges, several installation strategies prove beneficial: Regular cleaning schedules become essential, particularly during spring pollen season and after dust storms. Installing panels with anti-soiling coatings can reduce maintenance requirements and maintain efficiency between cleanings. Proper structural design should account for potential snow loads and hail impact. Using tempered glass panels and robust mounting systems helps ensure longevity. Installing panels at the optimal 36-degree angle also helps with natural snow shedding. Strategic positioning away from agricultural dust sources where possible, combined with adequate spacing between panel rows to prevent shading during lower winter sun angles, maximizes the available solar resource throughout the year. The location offers reasonable solar potential, particularly during the warmer months, but requires thoughtful installation planning and maintenance to overcome the significant seasonal variations and local environmental challenges.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 Poggio Catino
Seasonal solar PV output for Latitude: 42.2932, Longitude: 12.7037 (Poggio Catino, 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 36° South in Poggio Catino, Italy
To maximize your solar PV system's energy output in Poggio Catino, Italy (Lat/Long 42.2932, 12.7037) throughout the year, you should tilt your panels at an angle of 36° 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 Poggio Catino, 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 Poggio Catino, Italy. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 36° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 26° South in Summer | 46° South in Autumn | 56° South in Winter | 35° 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 Poggio Catino, 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 Poggio Catino, 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 Poggio Catino, Italy
Topographical Overview of Poggio Catino
Poggio Catino sits nestled in the rolling hills of central Italy's Lazio region, approximately 60 kilometers northeast of Rome. The landscape surrounding this medieval hilltop town is characterized by gentle undulations and moderate elevation changes typical of the Sabine Hills area. The terrain consists primarily of sedimentary rock formations that have been weathered over millennia, creating a series of rounded ridges and shallow valleys that extend in all directions from the town center. The elevation around Poggio Catino ranges from approximately 200 meters above sea level in the lower valley floors to peaks reaching 600-700 meters on the surrounding hilltops. The town itself perches at around 400 meters elevation, providing commanding views across the surrounding countryside. The topography is generally stable, with slopes that are pronounced enough to provide good drainage but not so steep as to create significant engineering challenges for development projects.Geological and Terrain Characteristics
The underlying geology consists mainly of limestone, sandstone, and clay formations that are relatively stable and well-consolidated. These rock types weather to produce fertile soils that support the region's agricultural activities, including olive groves, vineyards, and grain cultivation. The terrain shows evidence of ancient river activity, with several small watercourses having carved gentle valleys through the landscape over geological time. Vegetation in the area is Mediterranean in character, with oak woodlands covering many of the steeper slopes and hilltops, while cultivated fields and pastures occupy the more accessible terrain. The climate supports both natural forest regeneration and agricultural activities, creating a mosaic landscape of wooded areas interspersed with open fields and farmland.Optimal Areas for Large-Scale Solar Development
The most suitable locations for large-scale solar photovoltaic installations around Poggio Catino would be the broad, gently sloping plateaus and hillsides with southern exposure that lie within a 10-15 kilometer radius of the town. These areas offer several key advantages for solar development, including relatively flat or moderately sloping terrain that minimizes grading requirements and construction costs. The elevated plateaus to the south and southwest of Poggio Catino present particularly attractive opportunities, as they combine favorable topographical conditions with minimal shading from surrounding hills. These locations typically feature gradual slopes of 5-15 degrees that can actually enhance solar panel performance by providing optimal tilt angles without requiring mechanical mounting adjustments. Areas of former agricultural land or degraded pasture on these southern-facing slopes would be ideal candidates for solar development, as they often lack significant vegetation that would require clearing and are already accessible via existing farm roads. The stable geological conditions mean that foundation requirements would be straightforward, and the moderate elevation provides good air circulation that helps maintain panel efficiency. The broader valley floors, while flatter, may be less optimal due to potential morning fog formation and their continued value for agricultural production. However, marginal agricultural lands on gentle south-facing slopes throughout the region offer excellent potential for solar installations while having minimal impact on the area's most productive farming activities or its scenic hilltop towns.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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Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 12th of August 2025
Last Updated: Tuesday 12th of August 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.




