Flag of United States

Flag of PhilippinesSolar PV Analysis of Infanta, Philippines

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

The location of Infanta, Calabarzon, Philippines, situated in the tropics, presents a promising opportunity for solar energy generation throughout the year. This area experiences consistent sunlight and is characterized more by wet and dry seasons rather than traditional four-season cycles.

Seasonal Solar Performance

Solar panel performance in Infanta varies across the meteorological seasons: Spring sees the highest energy output at 6.17 kWh per day for each kW of installed solar capacity. Summer follows with 5.18 kWh/day, then Autumn with 4.40 kWh/day, and Winter with the lowest output at 3.98 kWh/day. These figures indicate that while there is some seasonal variation, the location maintains relatively high solar energy potential throughout the year. The most productive period for solar generation spans from late Spring through early Summer, making it an ideal time for maximizing energy output.

Optimal Panel Positioning

For fixed panel installations in Infanta, Calabarzon, the ideal tilt angle to maximize year-round solar production is 13 degrees facing South. This angle has been calculated to optimize energy capture across all seasons, taking into account the Earth's elliptical orbit and the location's specific latitude.

Environmental Considerations

While Infanta's tropical climate is generally favorable for solar energy production, there are some environmental factors to consider: 1. Typhoons: The Philippines is prone to tropical cyclones, which can potentially damage solar installations. 2. Heavy rainfall: The region experiences a wet season, which could temporarily reduce solar efficiency. To mitigate these risks, it's crucial to use high-quality, weather-resistant solar panels and mounting systems designed to withstand strong winds and heavy rain. Regular maintenance and cleaning of panels, especially during the wet season, can help maintain optimal performance. Additionally, implementing a robust monitoring system can help quickly identify and address any issues that may arise due to weather events or other environmental factors. In conclusion, Infanta, Calabarzon, Philippines offers a very good location for year-round solar energy production, with some seasonal variations. By taking appropriate preventative measures and optimizing panel placement, solar installations in this area can achieve high energy yields throughout the year.

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 Infanta

Seasonal solar PV output for Latitude: 14.7411, Longitude: 121.6508 (Infanta, 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 5.18kWh/day in Summer.
Autumn
Average 4.40kWh/day in Autumn.
Winter
Average 3.98kWh/day in Winter.
Spring
Average 6.17kWh/day in Spring.

 

Ideally tilt fixed solar panels 13° South in Infanta, Philippines

To maximize your solar PV system's energy output in Infanta, Philippines (Lat/Long 14.7411, 121.6508) throughout the year, you should tilt your panels at an angle of 13° 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: 14.7411, Longitude: 121.6508, the ideal angle to tilt panels is 13° South

Seasonally adjusted solar panel tilt angles for Infanta, 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 Infanta, Philippines. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 13° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
1° North in Summer 20° South in Autumn 30° South in Winter 8° 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 Infanta, Philippines as follows: In Summer, set the angle of your panels to 1° facing North. In Autumn, tilt panels to 20° facing South for maximum generation. During Winter, adjust your solar panels to a 30° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 8° angle facing South to capture the most solar energy in Infanta, 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 Infanta, 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 Infanta, 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 Infanta, Philippines

The area around Infanta, Philippines, is characterized by diverse and varied topography. Located on the eastern coast of Luzon, the largest island in the Philippines, Infanta is situated where the Sierra Madre mountain range meets the Pacific Ocean. This creates a landscape that transitions from coastal plains to rolling hills and eventually to steep mountain slopes.

Near the coast, you'll find relatively flat areas with some gentle slopes. These coastal plains are often used for agriculture, particularly rice cultivation. As you move inland, the terrain becomes more undulating, with low hills and small valleys interspersed throughout the landscape. Rivers and streams cut through these areas, creating natural drainage systems.

Further west, the terrain becomes increasingly rugged as it approaches the Sierra Madre mountains. Here, you'll encounter steeper slopes, deeper valleys, and higher elevations. The mountains themselves are covered in dense tropical forests, which play a crucial role in the local ecosystem and climate.

When considering areas nearby that would be most suited for large-scale solar PV (photovoltaic) installations, the coastal plains and gently rolling hills closer to Infanta would likely be the best candidates. These areas offer several advantages for solar energy production:

  1. They tend to have more open, unobstructed spaces that receive ample sunlight throughout the day.
  2. The relatively flat terrain makes construction and maintenance of solar arrays easier and more cost-effective.
  3. These areas are often more accessible, which is important for transporting equipment and connecting to existing power grids.
  4. There's less risk of shading from nearby mountains or dense forests, which could reduce solar panel efficiency.

However, it's important to note that any large-scale solar project would need to carefully consider environmental impacts, land use regulations, and potential conflicts with agricultural activities. The areas closer to the mountains, while potentially having good solar exposure, would likely be less suitable due to the challenging terrain and the importance of preserving the forested areas for ecological reasons.

Additionally, coastal areas might be vulnerable to tropical storms and typhoons, which are common in this region. Any solar installation would need to be designed to withstand these weather conditions. Despite these challenges, the combination of available land and good solar resources makes the region around Infanta a potentially attractive area for solar energy development, particularly in the flatter, more accessible areas closer to the coast.

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 Infanta, Philippines
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 25th of September 2024
Last Updated: Monday 21st of July 2025

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

"Tulad ng araw na nagbibigay lakas sa solar PV panels, ang kape ay parang kuryente sa ating pag-aaral at pag-unlad - nakakapagpabibo at pampa-enerhiya!" 😊
Buy me a coffee - Thanks for your support!

Share this with your friends!



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.

Worldwide Solar PV Analysis of 20,000 Locations

Helping you assess viability of solar PV for your site

profileSOLAR on YouTube

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.

Calculate Your Optimal Solar Panel Tilt Angle