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Flag of PhilippinesSolar PV Analysis of Tangub, Philippines

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

Tangub, Northern Mindanao, Philippines, located in the tropics, offers a promising environment for solar energy generation throughout the year. This location benefits from consistent sunlight and seasonal patterns characterized more by wet and dry periods than traditional four-season cycles.

Solar Energy Potential

The solar energy output in Tangub varies slightly across the meteorological seasons. Spring sees the highest production at 5.94 kWh per day for each kilowatt of installed solar capacity. Summer follows closely with 5.75 kWh/day, while autumn generates 5.28 kWh/day. Winter, although slightly less productive, still maintains a respectable output of 4.62 kWh/day. These figures indicate that Tangub is an excellent location for year-round solar energy production. The relatively small variation between seasons suggests consistent energy generation throughout the year, with spring and summer being particularly favorable.

Optimal Panel Installation

For fixed panel installations in Tangub, Northern Mindanao, the ideal tilt angle to maximize year-round solar production is 7 degrees facing South. This angle has been calculated taking into account the location's latitude, daily solar elevation angles, and potential daily PV output based on NASA's solar irradiance data.

Environmental Considerations

While Tangub's tropical location is generally favorable for solar energy production, there are some environmental factors to consider: 1. Rainfall: The Philippines experiences a monsoon season, which could potentially reduce solar output during periods of heavy cloud cover and rain. 2. Typhoons: The country is prone to tropical cyclones, which could pose a risk to solar panel installations. To mitigate these challenges, several preventative measures can be taken: - Use high-quality, weather-resistant solar panels designed to withstand heavy rainfall and strong winds. - Implement robust mounting systems that can endure typhoon-force winds. - Install adequate drainage systems to prevent water accumulation on panels. - Regularly clean panels to remove any debris or salt deposits that may accumulate due to tropical conditions. By addressing these factors, solar installations in Tangub can maintain high levels of energy production throughout the year, taking full advantage of the location's excellent solar 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 Tangub

Seasonal solar PV output for Latitude: 8.0613, Longitude: 123.7526 (Tangub, 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 5.75kWh/day in Summer.
Autumn
Average 5.28kWh/day in Autumn.
Winter
Average 4.62kWh/day in Winter.
Spring
Average 5.94kWh/day in Spring.

 

Ideally tilt fixed solar panels 7° South in Tangub, Philippines

To maximize your solar PV system's energy output in Tangub, Philippines (Lat/Long 8.0613, 123.7526) throughout the year, you should tilt your panels at an angle of 7° 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: 8.0613, Longitude: 123.7526, the ideal angle to tilt panels is 7° South

Seasonally adjusted solar panel tilt angles for Tangub, 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 Tangub, Philippines. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 7° 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 14° South in Autumn 23° South in Winter 2° 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 Tangub, Philippines as follows: In Summer, set the angle of your panels to 8° facing North. In Autumn, tilt panels to 14° 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 2° angle facing South to capture the most solar energy in Tangub, 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 Tangub, 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 Tangub, 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 Tangub, Philippines

The topography around Tangub, Philippines, is characterized by a diverse landscape that includes coastal plains, rolling hills, and mountainous terrain. Situated on the northern coast of Mindanao Island, Tangub is nestled between the Panguil Bay to the west and the rugged interior to the east. The immediate vicinity of Tangub features relatively flat coastal lowlands, which gradually transition into gently rolling hills as one moves inland. These lowlands are primarily used for agriculture, with rice paddies and coconut plantations being common sights. The soil in this area is generally fertile, owing to the sediment deposited by rivers flowing from the highlands. As you travel further east from Tangub, the terrain becomes increasingly hilly and eventually gives way to more mountainous regions. These highlands are part of the larger mountain ranges that form the spine of Mindanao Island. The slopes of these mountains are often covered in lush tropical forests, although some areas have been cleared for agriculture or logging.

Potential Areas for Large-Scale Solar PV

When considering locations for large-scale solar photovoltaic (PV) installations near Tangub, several factors come into play. The most suitable areas would typically be: The coastal plains and gently rolling hills surrounding Tangub offer promising locations for solar PV projects. These areas receive ample sunlight throughout the year and have relatively flat terrain, which simplifies construction and maintenance of solar arrays. The agricultural lands that are less productive or have been abandoned could be repurposed for solar energy production. Some of the cleared areas in the foothills of the nearby mountains might also be suitable for solar PV installations. These slightly elevated locations could potentially receive more consistent sunlight exposure, free from shadows cast by taller mountains. However, care must be taken to avoid areas prone to landslides or with steep slopes that would complicate construction. It's worth noting that while the mountainous regions further inland receive abundant sunlight, their rugged terrain and dense forest cover make them less ideal for large-scale solar projects. The costs and environmental impact of clearing these areas would likely outweigh the benefits. Any large-scale solar PV project in the region would need to carefully consider environmental impacts, land use regulations, and the local community's needs. Additionally, proximity to existing power infrastructure and the local electricity grid would play a crucial role in determining the most economically viable locations for such installations.

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 Tangub, Philippines
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 18th of February 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.

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