Solar PV Analysis of Arcozelo, Portugal
Arcozelo, Porto, Portugal, situated at 41.0441° N latitude and -8.6446° E longitude, presents a moderately favorable location for solar PV energy generation throughout the year. This coastal town in northern Portugal experiences varying levels of solar potential across different seasons.
Seasonal Solar Performance
Solar energy production in Arcozelo reaches its peak during the summer months, with an impressive output of 7.43 kWh per day for each kilowatt of installed solar capacity. Spring follows closely behind, generating 6.09 kWh/day. Autumn sees a significant decrease in production, dropping to 3.97 kWh/day, while winter experiences the lowest output at 2.19 kWh/day.
The most ideal times for solar energy generation in Arcozelo are from late spring through early autumn. During these months, longer daylight hours and higher sun angles contribute to increased solar panel efficiency and energy production.
Optimal Panel Installation
For fixed solar panel installations in Arcozelo, Porto, the ideal tilt angle to maximize year-round energy production is 35 degrees facing south. This angle optimizes the panels' exposure to sunlight throughout the year, taking into account the location's latitude and seasonal variations in sun position.
Environmental Considerations
While Arcozelo generally offers favorable conditions for solar energy production, there are a few environmental factors to consider:
- Coastal humidity: Being close to the Atlantic Ocean, Arcozelo may experience higher humidity levels, which can slightly reduce panel efficiency.
- Salt spray: Proximity to the sea may lead to salt accumulation on panels, potentially affecting their performance over time.
To mitigate these issues, regular cleaning and maintenance of solar panels are crucial. Additionally, using corrosion-resistant materials and protective coatings can help safeguard the equipment against salt-related damage.
In conclusion, Arcozelo provides a reasonably good location for solar PV energy generation, with strong potential during summer and spring. While winter months see reduced output, the overall yearly performance remains satisfactory. By optimizing panel angles and addressing environmental factors, solar installations in this area can achieve efficient and sustainable energy production.
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 179 locations across Portugal. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in Portugal by location
Solar output per kW of installed solar PV by season in Arcozelo
Seasonal solar PV output for Latitude: 41.0441, Longitude: -8.6446 (Arcozelo, Portugal), 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 35° South in Arcozelo, Portugal
To maximize your solar PV system's energy output in Arcozelo, Portugal (Lat/Long 41.0441, -8.6446) throughout the year, you should tilt your panels at an angle of 35° 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 Arcozelo, Portugal
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 Arcozelo, Portugal. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 35° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 25° South in Summer | 46° South in Autumn | 56° 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 Arcozelo, Portugal
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 Arcozelo, Portugal.
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 Arcozelo, Portugal
Arcozelo, Portugal is situated in a region with varied topography. The area is characterized by gently rolling hills and small valleys, typical of the coastal regions of northern Portugal. To the east, the terrain gradually becomes more elevated as it transitions towards the inland areas of the country.
The immediate surroundings of Arcozelo feature a mix of low-lying areas near the coast and slightly higher elevations further inland. The Atlantic Ocean lies to the west, with the coastline marked by sandy beaches and occasional rocky outcrops. As you move eastward from the coast, the landscape becomes more undulating, with small hills and shallow valleys creating a patchwork of different elevations.
Regarding areas nearby that would be most suited to large-scale solar PV (photovoltaic) installations, there are a few considerations to keep in mind:
- The gently sloping hillsides to the east and southeast of Arcozelo could potentially be suitable for solar farms. These areas often receive good sun exposure throughout the day and are less likely to be shadowed by taller landforms.
- Open agricultural lands in the vicinity, particularly those that are less productive or have been left fallow, might be appropriate for solar PV development. These areas are typically already cleared and have minimal tree cover, which is beneficial for maximizing solar exposure.
- While coastal areas receive ample sunlight, they may not be ideal due to environmental concerns and the higher value of this land for tourism and residential development.
- It's important to note that any large-scale solar installation would need to be carefully planned to avoid conflicts with local land use, environmental protections, and cultural heritage sites, which are common in this region of Portugal.
Ultimately, the most suitable locations for solar PV would need to be determined through detailed site surveys, taking into account factors such as exact slope orientation, local weather patterns, grid connection possibilities, and land ownership considerations.
Portugal solar PV Stats as a country
Portugal ranks 32nd in the world for cumulative solar PV capacity, with 1,801 total MW's of solar PV installed. This means that 3.40% of Portugal's total energy as a country comes from solar PV (that's 23rd in the world). Each year Portugal is generating 174 Watts from solar PV per capita (Portugal ranks 29th in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in Portugal?
Yes, there are several incentives for businesses wanting to install solar energy in Portugal. The Portuguese government offers a range of financial incentives and tax breaks for businesses that invest in renewable energy sources such as solar power. These include grants, loans, and tax credits. Additionally, the government has set up a feed-in tariff system which guarantees a fixed price for electricity generated from renewable sources such as solar power. This helps to make investing in solar energy more attractive to businesses.
Do you have more up to date information than this on incentives towards solar PV projects in Portugal? 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: Friday 27th 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.
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.
