Venda do Pinheiro, Portugal, situated at latitude 38.9245 and longitude -9.2262, offers a promising location for solar PV energy generation throughout the year. This Northern Temperate Zone location experiences distinct seasonal variations in solar energy production, with peak performance during the summer months.

Seasonal Solar Energy Production

Solar PV systems in Venda do Pinheiro demonstrate strong performance during the summer, with an impressive daily output of 7.69 kWh per kW of installed capacity. Spring follows closely behind, yielding 6.41 kWh/day. Autumn sees a moderate decrease to 4.52 kWh/day, while winter experiences the lowest production at 2.66 kWh/day.

The substantial difference between summer and winter output highlights the importance of proper system sizing to ensure adequate energy production year-round. Despite the winter dip, the location still maintains a respectable annual average, making it a viable option for solar energy investment.

Optimal Panel Positioning

To maximize year-round solar energy production in Venda do Pinheiro, fixed solar panels should be tilted at a 34-degree angle facing south. This optimal angle takes into account the location's latitude and seasonal sun path variations, ensuring the best possible energy capture throughout the year.

Environmental and Weather Considerations

While Venda do Pinheiro generally offers favorable conditions for solar energy production, there are a few factors to consider:

• Coastal proximity: The location's relative closeness to the Atlantic Ocean may lead to increased humidity and occasional fog, potentially reducing solar irradiance.
• Dust and pollen: The surrounding rural environment might contribute to dust and pollen accumulation on panels, affecting their efficiency.

To mitigate these factors, consider implementing regular panel cleaning schedules and installing panels at a slightly steeper angle to promote natural cleaning by rainwater. Additionally, using high-quality, weather-resistant solar equipment can help maintain optimal performance in varying conditions.

Overall, Venda do Pinheiro presents a favorable location for solar PV installations, with strong potential for energy generation, particularly from spring through autumn. With proper system design and maintenance, solar energy can be a reliable and efficient power source in this Portuguese locale.

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 Venda Do Pinheiro

Seasonal solar PV output for Latitude: 38.9245, Longitude: -9.2262 (Venda Do Pinheiro, 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 34° South in Venda Do Pinheiro, Portugal

To maximize your solar PV system's energy output in Venda Do Pinheiro, Portugal (Lat/Long 38.9245, -9.2262) throughout the year, you should tilt your panels at an angle of 34° 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 Venda Do Pinheiro, 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 Venda Do Pinheiro, Portugal. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 34° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
23° South in Summer	43° South in Autumn	54° South in Winter	31° 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 Venda Do Pinheiro, 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 Venda Do Pinheiro, Portugal.

Our calculation method

1. Solar Position:
   We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
2. Shadow Projection:
   We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
3. 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 Venda Do Pinheiro, Portugal

The area surrounding Venda do Pinheiro, Portugal, is characterized by a diverse and gently undulating landscape typical of the western Iberian Peninsula. Located approximately 30 kilometers northwest of Lisbon, this region features a mix of rolling hills, shallow valleys, and small plateaus. The terrain gradually rises from the coastal areas to the east, creating a varied topography that influences local microclimates and land use patterns. Venda do Pinheiro itself sits at an elevation of around 200 meters above sea level. The surrounding area is dotted with small forests, agricultural fields, and scattered rural settlements. To the west, the land gently slopes towards the Atlantic coast, while to the east, it becomes slightly more rugged as it approaches the foothills of the Serra de Montejunto mountain range.

Solar PV Potential

When considering areas nearby that would be most suited to large-scale solar PV installations, several factors come into play. The ideal locations would combine favorable topography with high solar irradiance and minimal environmental or social conflicts. The gently sloping areas to the south and southeast of Venda do Pinheiro present promising opportunities for solar PV development. These areas benefit from a southerly aspect, which maximizes exposure to sunlight throughout the day. The gradual incline also helps to reduce shading between solar panels, allowing for more efficient use of space. Additionally, the slightly elevated plateaus found in the region could be suitable for solar farms. These relatively flat areas offer ease of construction and maintenance, while their elevation may provide better exposure to sunlight and reduced risk of morning fog or low-lying cloud cover. It's important to note that while the topography around Venda do Pinheiro is generally favorable for solar PV, other factors such as grid connectivity, land ownership, and environmental considerations would need to be carefully assessed before determining the most suitable locations for large-scale installations. The region's proximity to Lisbon and other urban centers could be advantageous for energy distribution, but it may also lead to competition for land use with agriculture and urban development.

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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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.