Solar PV Analysis of Pietrasanta, Italy
Pietrasanta, Tuscany, Italy is a decent location for generating solar energy year-round, but it's not perfect. The amount of electricity you can produce with solar panels varies throughout the year due to changes in the sun's position and weather patterns. In simple terms, more sunlight equals more power.
In summer, when the days are longest and the sun is highest in the sky, you can expect to generate about 7.37 kilowatt-hours (kWh) of electricity per day for each kilowatt (kW) of solar panels installed. This is a good amount that could cover most or all of your daily electricity needs depending on your usage.
In autumn and spring, production drops because there's less sunlight as days get shorter - you'll get around 3.57 kWh/day in autumn and 5.71 kWh/day in spring per kW installed.
Winter sees the lowest production at only about 1.97 kWh/day per kW installed because days are shortest then and there’s less sunlight available.
To maximize total annual energy production from your solar panels at this location, they should be tilted at an angle of 37 degrees facing south which aligns them better with the path of the sun across the sky throughout different seasons.
As far as local factors that might impact solar production go: Pietrasanta has a Mediterranean climate with mild winters and hot summers which is generally favorable for solar power generation; however potential issues could include foggy or cloudy weather conditions which may reduce sunshine hours especially during winter months; also dust accumulation on panel surfaces could affect their efficiency over time if not cleaned regularly.
To counter these possible challenges:
1) Regular cleaning/maintenance can help keep your panels working efficiently by removing dust or debris.
2) You might consider installing tracking systems that move your panels to follow the sun across the sky maximizing exposure even on shorter or cloudier days – though this would add to installation costs.
3) If fog or clouds are a consistent issue, it might be worth considering a hybrid system that includes wind or battery storage to ensure reliable power supply even when solar production is low.
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 Pietrasanta
Seasonal solar PV output for Latitude: 43.9589, Longitude: 10.2266 (Pietrasanta, 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 37° South in Pietrasanta, Italy
To maximize your solar PV system's energy output in Pietrasanta, Italy (Lat/Long 43.9589, 10.2266) throughout the year, you should tilt your panels at an angle of 37° 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 Pietrasanta, 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 Pietrasanta, Italy. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 37° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 28° South in Summer | 47° South in Autumn | 58° South in Winter | 37° 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 Pietrasanta, 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 Pietrasanta, 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 Pietrasanta, Italy
Pietrasanta is located in the Tuscany region of Italy, along the coast of the Tyrrhenian Sea. The topography around Pietrasanta is characterized by a mix of flat coastal plains and hilly inland regions. It's surrounded by Apuan Alps to the north and gently rolling hills covered with vineyards and olive groves to the south.
The areas most suited for large-scale solar PV would likely be:
1. Coastal Plains: These areas have less variation in altitude which makes installation easier. They also tend to have fewer obstructions (like trees or buildings) that could block sunlight.
2. Hilltops: While these can be more challenging for installation due to slope, they often receive more sunlight because they are above shadow-casting obstacles.
However, it's important to note that suitability for solar PV doesn't depend on topography alone; factors like local climate, cloud cover, regulations about land use etc., should also be taken into account.
In terms of specific locations near Pietrasanta that might be suitable for large-scale solar PV installations - flat agricultural lands or industrial zones could potentially accommodate such projects given enough space and minimal shading issues. Additionally, rooftops of large commercial or industrial buildings can also serve as potential sites for smaller scale installations.
Please remember this information provides a general idea and actual site selection would require detailed feasibility studies involving various factors including but not limited to irradiance levels, grid connectivity possibilities etc.
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: Monday 6th of May 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.
