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Flag of PhilippinesSolar PV Analysis of Bansalan, Philippines

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

Bansalan, Davao Region, Philippines, situated in the tropics, offers a promising location 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.

Solar Energy Potential

The solar energy potential in Bansalan is relatively high and stable across all seasons. Summer yields the highest output at 6.02 kWh per day for each kilowatt of installed solar capacity. Spring follows closely with 5.91 kWh/day, while autumn produces 5.78 kWh/day. Even during winter, the output remains substantial at 4.97 kWh/day. These figures indicate that Bansalan is well-suited for year-round solar energy production. The difference between the highest and lowest seasonal outputs is only about 1 kWh/day, suggesting consistent energy generation throughout the year.

Optimal Panel Tilt

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

Environmental Considerations

While Bansalan's tropical climate is generally favorable for solar energy production, there are some environmental factors to consider: 1. Rainfall: The region experiences a wet season, which could potentially reduce solar output due to cloud cover. 2. Typhoons: The Philippines is prone to tropical cyclones, which could damage solar installations if not properly secured. To mitigate these challenges, solar installations should include: - Robust mounting systems designed to withstand high winds - Proper waterproofing and drainage to handle heavy rainfall - Regular maintenance to ensure optimal performance and longevity of the system Despite these considerations, the consistent sunlight and high solar potential make Bansalan an excellent location for solar energy production 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 Bansalan

Seasonal solar PV output for Latitude: 6.7879, Longitude: 125.2213 (Bansalan, 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 6.02kWh/day in Summer.
Autumn
Average 5.78kWh/day in Autumn.
Winter
Average 4.97kWh/day in Winter.
Spring
Average 5.91kWh/day in Spring.

 

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

To maximize your solar PV system's energy output in Bansalan, Philippines (Lat/Long 6.7879, 125.2213) 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: 6.7879, Longitude: 125.2213, the ideal angle to tilt panels is 6° South

Seasonally adjusted solar panel tilt angles for Bansalan, 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 Bansalan, 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
9° North in Summer 12° South in Autumn 22° 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 Bansalan, Philippines as follows: In Summer, set the angle of your panels to 9° facing North. In Autumn, tilt panels to 12° facing South for maximum generation. During Winter, adjust your solar panels to a 22° 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 Bansalan, 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 Bansalan, 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 Bansalan, 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 Bansalan, Philippines

The topography around Bansalan, Philippines, is characterized by a diverse landscape that combines rolling hills, fertile plains, and mountainous terrain. Located in the province of Davao del Sur on the island of Mindanao, Bansalan sits at the foot of Mount Apo, the highest peak in the Philippines. This proximity to the mountain range significantly influences the area's geography. To the west of Bansalan, the land gradually rises towards the slopes of Mount Apo, creating a series of elevated areas and steep inclines. These hillsides are often covered in lush vegetation, including forests and agricultural plantations. As one moves eastward from the town, the terrain becomes more level, transitioning into expansive plains that stretch towards the coast of the Davao Gulf. The area surrounding Bansalan is known for its rich volcanic soil, which contributes to the region's agricultural productivity. Numerous rivers and streams originating from the mountains crisscross the landscape, creating small valleys and providing essential water resources for both agriculture and local communities.

Potential for Large-Scale Solar PV

When considering areas nearby Bansalan for large-scale solar photovoltaic (PV) installations, several factors come into play. The most suitable locations would typically be found in the flatter, more open areas to the east of Bansalan. These plains offer several advantages for solar PV development: Firstly, the relatively level terrain reduces the need for extensive land preparation, making it easier and more cost-effective to install large arrays of solar panels. The open nature of these areas also minimizes shading from natural features or structures, allowing for maximum sun exposure throughout the day. Additionally, the proximity to existing infrastructure, such as roads and power lines, in the more developed plains could facilitate the construction and grid connection of solar facilities. The agricultural nature of much of this land might also present opportunities for dual-use solar installations, where farming activities can continue beneath elevated solar panels. However, it's important to note that any large-scale solar development would need to carefully consider environmental impacts, land use regulations, and the interests of local communities. Areas of particular ecological importance or prime agricultural land may not be suitable for solar PV installations, despite their favorable topography. While the mountainous areas to the west offer abundant sunlight due to their elevation, the challenging terrain and potential environmental sensitivities make them less ideal for large-scale solar projects. These areas might be better suited for smaller, distributed solar installations that can take advantage of the available sunlight without requiring extensive land modification. In conclusion, the diverse topography around Bansalan presents both opportunities and challenges for solar PV development. The eastern plains emerge as the most promising areas for large-scale installations, balancing favorable terrain with practical considerations for construction and grid connection.

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 Bansalan, Philippines
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 11th of March 2025
Last Updated: Monday 21st of July 2025

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Compare this location to others worldwide for solar PV potential

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