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Flag of PhilippinesSolar PV Analysis of Mawab, Philippines

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

Mawab, Davao Region, Philippines, situated in the tropics at latitude 7.5676 and longitude 125.979, offers a promising location for solar energy generation. The tropical climate provides consistent sunlight throughout the year, with seasons characterized more by wet and dry periods rather than temperature variations.

Solar photovoltaic (PV) panels in Mawab can expect to generate varying amounts of electricity depending on the season. During summer, the output reaches its peak at 5.97 kWh per day for each kilowatt of installed solar capacity. Spring follows closely with 5.60 kWh/day, while autumn produces 5.32 kWh/day. Winter sees the lowest output at 4.55 kWh/day, but this is still a respectable amount compared to many other locations globally.

Optimal Panel Positioning

For fixed panel installations in Mawab, Davao Region, the ideal tilt angle to maximize year-round solar production is 6 degrees facing South. This relatively shallow angle is due to the location's proximity to the equator, where the sun's path is more directly overhead throughout the year.

Seasonal Considerations

The most favorable times for solar generation in Mawab are during the summer months when daylight hours are longest and solar intensity is at its peak. However, the relatively small variation in output across seasons indicates that solar PV systems can be productive year-round in this location.

Environmental Factors and Mitigation

While Mawab's tropical location is generally favorable for solar energy, there are some environmental factors to consider:

  • Heavy rainfall during the wet season could temporarily reduce solar output and potentially damage poorly installed systems.
  • High humidity levels may lead to accelerated degradation of solar equipment if not properly protected.

To mitigate these issues, installers should use high-quality, weather-resistant solar panels and mounting systems. Proper sealing and waterproofing of all electrical connections is crucial. Additionally, regular cleaning and maintenance of the panels will help ensure optimal performance, especially after periods of heavy rain or dust accumulation.

Overall, Mawab's location presents an excellent opportunity for consistent solar energy production throughout the year, with only minor seasonal fluctuations and manageable environmental challenges.

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 Mawab

Seasonal solar PV output for Latitude: 7.5676, Longitude: 125.979 (Mawab, 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 5.97kWh/day in Summer.
Autumn
Average 5.32kWh/day in Autumn.
Winter
Average 4.55kWh/day in Winter.
Spring
Average 5.60kWh/day in Spring.

 

Ideally tilt fixed solar panels 6° South in Mawab, Philippines

To maximize your solar PV system's energy output in Mawab, Philippines (Lat/Long 7.5676, 125.979) throughout the year, you should tilt your panels at an angle of 6° 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: 7.5676, Longitude: 125.979, the ideal angle to tilt panels is 6° South

Seasonally adjusted solar panel tilt angles for Mawab, 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 Mawab, Philippines. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 6° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
8° North in Summer 13° South in Autumn 23° South in Winter 1° 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 Mawab, Philippines as follows: In Summer, set the angle of your panels to 8° facing North. In Autumn, tilt panels to 13° facing South for maximum generation. During Winter, adjust your solar panels to a 23° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 1° angle facing South to capture the most solar energy in Mawab, 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 Mawab, 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 Mawab, 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 Mawab, Philippines

The topography around Mawab, Philippines, is characterized by a diverse landscape that combines flat lowlands with gently rolling hills and more rugged mountainous terrain. Situated in the Davao de Oro province on the island of Mindanao, Mawab is nestled within a region known for its lush vegetation and varied elevation. The immediate vicinity of Mawab features relatively flat areas, particularly along the Hijo River which flows through the municipality. These lowlands are predominantly used for agriculture, with rice paddies and coconut plantations being common sights. As one moves away from the town center, the terrain gradually becomes more undulating, with low hills dotting the landscape. To the west and northwest of Mawab, the topography becomes increasingly mountainous as it approaches the Diwata Mountain Range. This range forms part of the larger Eastern Mindanao Cordillera and contributes to the region's varied elevation profile. These mountains are covered in dense tropical forests and create a picturesque backdrop to the more developed areas closer to town.

Potential Areas for Large-Scale Solar PV

When considering locations for large-scale solar photovoltaic (PV) installations near Mawab, several factors come into play. The most suitable areas would ideally combine flat or gently sloping terrain with good solar exposure and minimal environmental impact. The agricultural plains surrounding Mawab offer promising potential for solar PV development. These areas are already cleared of dense vegetation and provide the necessary space for large installations. The flat topography would minimize the need for extensive land preparation, reducing costs and environmental disruption. Some of the low-lying hills to the east and southeast of Mawab could also be suitable for solar farms. These areas receive ample sunlight and their slight elevation could potentially increase solar exposure. However, care would need to be taken to avoid areas with steeper slopes or those that might impact local ecosystems. It's important to note that while the mountainous regions to the west offer elevation, they are less ideal for large-scale solar projects due to their rugged terrain and forested nature. The environmental impact of clearing these areas would likely outweigh the benefits of the elevation gain. Any large-scale solar PV project would need to carefully consider local land use, environmental factors, and community impact. Consultation with local authorities and environmental experts would be crucial in identifying the most appropriate sites that balance energy production needs with ecological preservation and community interests.

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 Mawab, Philippines
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 18th 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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