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Flag of PhilippinesSolar PV Analysis of Barcelona, Philippines

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Barcelona, Philippines (by season)

Barcelona, Ilocos, Philippines, located at 16.3675 latitude and 120.4027 longitude, offers a promising environment for solar energy generation throughout the year. Situated in the tropics, this location benefits from consistent sunlight and experiences wet and dry seasons rather than traditional four-season cycles.

Seasonal Solar Output

The solar energy potential in Barcelona, Ilocos, Philippines, remains relatively stable across seasons, with some variations:

  • Spring: 6.98 kWh/day (highest output)
  • Summer: 5.50 kWh/day
  • Autumn: 5.45 kWh/day
  • Winter: 5.12 kWh/day (lowest output)

Spring emerges as the most productive season for solar energy generation, while winter sees a slight dip in output. However, the difference between the highest and lowest seasonal outputs is not dramatic, indicating a fairly consistent year-round solar potential.

Optimal Panel Tilt

For fixed solar panel installations in Barcelona, Ilocos, Philippines, the ideal tilt angle to maximize year-round energy production is 15 degrees facing South. This angle has been calculated considering the location's latitude, daily solar elevation angles, and weighted by NASA's solar irradiance data.

Environmental Considerations

While Barcelona, Ilocos, Philippines, generally offers favorable conditions for solar energy production, there are a few environmental factors to consider:

1. Typhoons: The Philippines is prone to tropical cyclones, which can potentially damage solar installations. To mitigate this risk, it's crucial to use sturdy mounting systems and panels designed to withstand high winds.

2. Heavy rainfall: During the wet season, frequent rain might temporarily reduce solar output. Ensuring proper drainage and regular cleaning of panels can help maintain efficiency.

3. High humidity: The tropical climate's humidity can lead to moisture buildup on panels. Using corrosion-resistant materials and implementing proper sealing techniques during installation can prevent long-term damage.

By addressing these factors during the installation process and maintaining the system regularly, solar energy production in Barcelona, Ilocos, Philippines, can be optimized to harness its significant year-round potential.

Note: The Tropics are located between 23.5° North and -23.5° South of the equator.

So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 268 locations across Philippines. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Philippines by location

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

Seasonal solar PV output for Latitude: 16.3675, Longitude: 120.4027 (Barcelona, Philippines), 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:

Summer
Average 5.50kWh/day in Summer.
Autumn
Average 5.45kWh/day in Autumn.
Winter
Average 5.12kWh/day in Winter.
Spring
Average 6.98kWh/day in Spring.

 

Ideally tilt fixed solar panels 15° South in Barcelona, Philippines

To maximize your solar PV system's energy output in Barcelona, Philippines (Lat/Long 16.3675, 120.4027) throughout the year, you should tilt your panels at an angle of 15° 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.

The sun
At Latitude: 16.3675, Longitude: 120.4027, the ideal angle to tilt panels is 15° South

Seasonally adjusted solar panel tilt angles for Barcelona, Philippines

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 Barcelona, Philippines. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 15° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
0° in Summer 22° South in Autumn 32° South in Winter 10° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Barcelona, Philippines as follows: In Summer, set the angle of your panels to 0° facing . In Autumn, tilt panels to 22° facing South for maximum generation. During Winter, adjust your solar panels to a 32° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 10° angle facing South to capture the most solar energy in Barcelona, Philippines.

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 Barcelona, Philippines

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 Barcelona, Philippines.

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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Barcelona, Philippines

The topography around Barcelona, Philippines, located at latitude 16.3675 and longitude 120.4027, is characterized by a diverse landscape that includes both coastal and mountainous features. This area is situated on the western coast of Luzon, the largest island in the Philippines archipelago. The terrain near Barcelona is predominantly hilly, with elevations gradually increasing as one moves inland from the coast. The shoreline is marked by sandy beaches and rocky outcrops, while the immediate inland areas consist of gently rolling hills and valleys. As you progress further east, the landscape becomes more rugged, with steeper slopes and higher elevations leading into the Cordillera Central mountain range.

Coastal Plains and Foothills

The coastal region near Barcelona features narrow plains that quickly give way to foothills. These areas are typically covered with a mix of agricultural land, grasslands, and patches of tropical vegetation. The gentle slopes and relatively flat terrain in this zone make it more accessible for human settlement and various economic activities.

River Valleys

Several rivers and streams flow through the region, carving out valleys and creating alluvial plains. These waterways play a crucial role in shaping the local topography and provide important resources for the surrounding communities. The river valleys often feature more fertile soil and are commonly used for agriculture.

Mountain Ranges

To the east of Barcelona, the landscape becomes increasingly mountainous as it transitions into the Cordillera Central range. This mountain system dominates much of northern Luzon and features steep slopes, deep valleys, and peaks that can reach heights of over 2,000 meters above sea level. The mountains are typically covered in dense tropical forests, especially at higher elevations.

Potential for Large-scale Solar PV

When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. The ideal locations for solar farms would be relatively flat, open areas with good sun exposure and minimal shading from surrounding topography. The coastal plains and lower foothills near Barcelona could offer suitable sites for solar PV projects. These areas generally have fewer obstructions to sunlight and may already have some infrastructure in place, such as roads for access. However, care must be taken to avoid prime agricultural land or ecologically sensitive areas. Some of the gentler slopes in the hilly regions might also be considered for solar installations, particularly south-facing slopes that receive more direct sunlight throughout the day. These elevated areas may benefit from reduced atmospheric interference and potentially cooler temperatures, which can improve solar panel efficiency. It's important to note that while the mountainous regions receive ample sunlight, the steep terrain and dense forest cover make them less suitable for large-scale solar projects due to the challenges of installation and maintenance. Any large-scale solar PV development in the region would need to carefully balance energy production goals with environmental conservation and local land use considerations. Detailed site surveys and environmental impact assessments would be necessary to identify the most appropriate locations for such projects.

Philippines solar PV Stats as a country

Philippines ranks 40th in the world for cumulative solar PV capacity, with 1,370 total MW's of solar PV installed. Each year Philippines is generating 13 Watts from solar PV per capita (Philippines ranks 71st in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Philippines?

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

1. The Feed-in Tariff (FiT) program, which provides a guaranteed rate of return on investments in renewable energy projects;

2. Tax credits and exemptions from certain taxes;

3. Net metering programs that allow businesses to sell excess electricity back to the grid;

4. Grants and loans from government agencies such as the Department of Energy and the Philippine Solar Power Alliance;

5. Technical assistance from organizations like USAID’s Clean Energy Program; and

6. Access to financing through banks, venture capital firms, or other sources of private capital.

Do you have more up to date information than this on incentives towards solar PV projects in Philippines? Please reach out to us and help us keep this information current. Thanks!

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Barcelona, Philippines
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 19th of March 2025
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.

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