Chantada, Spain presents a moderately favorable location for year-round solar PV energy generation, though with significant seasonal variation typical of its Northern Temperate Zone position.

Seasonal Solar Performance

The solar energy output at this location shows substantial differences throughout the year. Summer delivers the strongest performance at 7.10kWh per day for each kilowatt of installed solar capacity, making it the ideal season for solar generation. Spring follows as the second-best season with 5.52kWh/day per kW, offering excellent production levels that make it nearly as valuable as summer months. Autumn sees a notable decline to 3.50kWh/day per kW, while winter presents the most challenging conditions with only 1.92kWh/day per kW. This winter figure represents just 27% of summer production, highlighting the significant seasonal challenge for consistent year-round energy generation.

Optimal Panel Configuration

For fixed panel installations at Chantada, the ideal tilt angle is 36 degrees facing South to maximize total year-round solar production. This angle represents the optimal compromise across all seasons, calculated using weighted daily solar elevation angles and irradiance data to achieve the best annual performance.

Local Factors Affecting Solar Production

Several environmental and weather factors in the Chantada region can significantly impact solar panel performance:

• Atlantic Maritime Climate: The proximity to the Atlantic Ocean brings frequent cloud cover and precipitation, particularly during autumn and winter months
• Galician Fog and Mist: Morning fog is common in this northwestern Spanish region, reducing early-day solar production
• Mountainous Terrain: The surrounding hills and mountains can create shadows and reduce direct sunlight exposure during certain times of day
• High Humidity: Persistent moisture can lead to more frequent condensation on panel surfaces

Preventative Measures for Enhanced Production

To optimize solar energy generation despite these challenges, several installation strategies prove effective: Panel positioning should account for local topography by conducting detailed shade analysis throughout the day and seasons. Installing panels on the highest practical points of buildings or using elevated mounting systems helps minimize shadow interference from surrounding terrain. Regular maintenance becomes crucial in this humid climate. Installing automated cleaning systems or scheduling frequent manual cleaning helps remove moisture, dust, and organic matter that accumulates more rapidly in high-humidity environments. Anti-reflective coatings specifically designed for humid climates can also improve performance. Proper ventilation around panels prevents moisture buildup and improves efficiency. Mounting systems should allow adequate airflow beneath panels, while drainage considerations ensure water doesn't pool around installation areas. Given the significant seasonal variation, battery storage systems or grid-tie arrangements become particularly valuable to balance the dramatic difference between summer abundance and winter scarcity of solar 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 361 locations across Spain. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Spain by location

Solar output per kW of installed solar PV by season in Chantada

Seasonal solar PV output for Latitude: 42.6802, Longitude: -7.7866 (Chantada, Spain), 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 Chantada, Spain

To maximize your solar PV system's energy output in Chantada, Spain (Lat/Long 42.6802, -7.7866) 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 Chantada, Spain

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 Chantada, Spain. 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
27° South in Summer	47° South in Autumn	57° 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 Chantada, Spain

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 Chantada, Spain.

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 Chantada, Spain

Topographical Features of Chantada

Chantada sits in the province of Lugo within Galicia's distinctive landscape, characterized by rolling hills and river valleys that define much of northwestern Spain. The town is positioned along the Miño River valley, where the terrain creates a natural amphitheater of gentle slopes and terraced hillsides. The elevation in and around Chantada typically ranges from approximately 300 to 500 meters above sea level, with the surrounding countryside featuring a series of rounded hills and shallow valleys that are typical of the Galician interior.

The landscape around Chantada is predominantly rural, with a patchwork of agricultural fields, vineyards, and forested areas covering the undulating terrain. The Miño River meanders through the region, creating fertile floodplains and gentle riverside slopes. To the north and south of the town, the land rises into more pronounced hills, while the river valley itself provides relatively flat areas interspersed with moderate slopes.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Chantada would be the south-facing slopes and elevated plateaus that dot the landscape south and southeast of the town. These areas offer several advantages, including optimal solar exposure throughout the day and sufficient space for extensive solar arrays. The rolling hills provide natural windbreaks while maintaining good drainage, which is essential for solar installation foundations.

The agricultural terraces and open fields on the higher elevations, particularly those between 400 and 500 meters above sea level, present excellent opportunities for solar development. These locations benefit from reduced atmospheric interference due to their elevation and typically experience fewer obstructions from trees or buildings. The relatively stable geology of the region, composed primarily of granite and metamorphic rocks, provides solid foundations for solar mounting systems.

Areas to the southwest of Chantada, where the terrain opens up into broader valleys and gentler slopes, would also be well-suited for solar installations. These locations offer the dual benefits of good solar access and easier construction access via existing rural roads. The moderate slopes in these areas allow for optimal panel positioning while minimizing the need for extensive grading or earthwork during installation.

The river valley floors, while offering flat terrain that might initially seem attractive for solar development, would be less suitable due to potential flooding risks, higher humidity levels, and the likelihood of morning fog formation that could reduce solar efficiency. Additionally, these fertile valley bottoms are typically reserved for agriculture and would face greater environmental and land-use restrictions for large-scale solar development.

Spain solar PV Stats as a country

Spain ranks 10th in the world for cumulative solar PV capacity, with 15,952 total MW's of solar PV installed. This means that 9.00% of Spain's total energy as a country comes from solar PV (that's 6th in the world). Each year Spain is generating 237 Watts from solar PV per capita (Spain ranks 20th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Spain?

Yes, there are several incentives for businesses wanting to install solar energy in Spain. These include the following:



1. The Spanish government offers a feed-in tariff (FIT) for businesses that install solar energy systems. This FIT guarantees a fixed price per kWh of electricity generated by the system over a period of 20 years.



2. Businesses can also benefit from tax deductions and other financial incentives when installing solar energy systems in Spain.



3. Companies may be eligible for grants or subsidies from regional governments or local authorities to help cover the cost of installation and maintenance of their solar energy systems.



4. Businesses may also be able to take advantage of net metering, which allows them to sell excess electricity generated by their solar energy system back into the grid at market prices, thus reducing their overall electricity costs even further.

Do you have more up to date information than this on incentives towards solar PV projects in Spain? 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.