Solar PV Analysis of Amadora, Portugal
Amadora, Lisbon, Portugal is a decent location for year-round solar energy production. The amount of electricity you can expect to generate from solar panels changes with the seasons. In summer, you could produce about 7.69 kilowatt-hours (kWh) of electricity per day for each kilowatt (kW) of solar panels installed. This decreases in autumn and winter to about 4.52 kWh/day and 2.66 kWh/day respectively, but rises again in spring to approximately 6.41 kWh/day.
In simple terms, this means that your solar panels will be most effective in summer and spring when the sun is out more often and at a higher position in the sky than during autumn or winter.
If you're installing fixed-panel solar systems here, it's advised to tilt them at an angle facing 33 degrees South for best results throughout the year.
However, there are factors specific to Amadora that could affect your solar energy production - mainly weather-related ones like cloud cover or dust storms which can block sunlight reaching your panels.
To reduce these impacts:
1) Regularly clean your panels especially after storms or high winds which can deposit dust on them.
2) Consider using micro-inverters instead of central inverters as they allow each panel to operate independently; so if one panel gets shaded or dirty it won't affect the performance of others.
3) Monitor local weather forecasts closely so you can prepare for less productive days due to clouds or storms.
Remember though: even with these challenges, Amadora still offers good potential for generating renewable energy through solar power all year round!
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 Amadora
Seasonal solar PV output for Latitude: 38.752, Longitude: -9.2279 (Amadora, 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 33° South in Amadora, Portugal
To maximize your solar PV system's energy output in Amadora, Portugal (Lat/Long 38.752, -9.2279) throughout the year, you should tilt your panels at an angle of 33° 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 Amadora, 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 Amadora, Portugal. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 33° 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 Amadora, 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 Amadora, 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 Amadora, Portugal
Amadora, Portugal is located in the Lisbon District and is characterized by a relatively flat topography with some gently rolling hills. The city itself is highly urbanized, but there are open spaces in the surrounding areas.
When considering large-scale solar PV installations, factors such as sunlight availability, land use restrictions, proximity to transmission lines and load centers should be taken into account. Considering these factors:
1. Southern-facing slopes of the hills around Amadora would be suitable for solar PV installation due to their increased sun exposure.
2. Open rural or agricultural lands towards the south and east of Amadora could also be potential sites as they receive ample sunlight throughout the year.
3. Areas near existing infrastructure like highways or power lines would reduce costs related to transportation and connection to grid.
It's worth noting that while these locations might be physically suited for large-scale solar PV installations from a topographical perspective, other considerations such as environmental impact assessments, local regulations about land use and public acceptance should also play a key role in final site selection.
Finally, it's important that detailed feasibility studies including insolation levels (amount of solar radiation), soil analysis etc., are conducted before deciding on specific sites for large scale Solar PV projects.
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: Tuesday 9th of July 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.
