Iligan, Northern Mindanao, Philippines is a good place for generating solar energy all year round because it gets lots of sunshine. The amount of power you can generate from solar panels varies throughout the year. In summer, you can expect to get about 5.88 kilowatt-hours per day for each kilowatt of solar panels installed. In autumn, this drops slightly to 5.38 kWh/day, then further to 4.59 kWh/day in winter and goes up again to 6.02 kWh/day in spring.
To get the most energy out of your solar panels over the whole year at this location, they should be tilted at an angle that faces 7 degrees South.
There might be some local factors that could affect how much power you can generate from your solar panels here though:
1) Weather: Iligan has a tropical climate with distinct wet and dry seasons which could impact the efficiency of solar panels due to cloud cover during rainy season or dust and dirt accumulation in dry season.
2) Topography: Depending on exactly where you're thinking about installing your panels - if it's somewhere hilly or mountainous that might block some sunlight or if there are tall buildings or trees around - those could also reduce how much power you can generate.
3) Environmental Factors: If there is heavy rainfall accompanied by strong winds often (like typhoons), these may potentially damage the PV system hence reducing its lifespan and productivity.
If any of these things are likely to be an issue where you want to install your solar panels, don't worry - there are ways around them! For example:
- Regular cleaning and maintenance will keep the dust off during dry seasons.
- Installing durable mounting systems will help withstand harsh weather conditions.
- Choosing a suitable location free from shading objects like trees or buildings would ensure maximum sunlight exposure.
So overall, Iligan seems like a pretty good place for generating power from solar energy!
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 257 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 Iligan
Seasonal solar PV output for Latitude: 8.2294, Longitude: 124.2322 (Iligan, 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:




 
Ideally tilt fixed solar panels 7° South in Iligan, Philippines
To maximize your solar PV system's energy output in Iligan, Philippines (Lat/Long 8.2294, 124.2322) 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.

Seasonally adjusted solar panel tilt angles for Iligan, 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 Iligan, 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 | 24° South in Winter | 2° South in Spring |
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 Iligan, 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 Iligan, Philippines.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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.
Topography for solar PV around Iligan, Philippines
Iligan, Philippines is located in the northern part of Mindanao island. The topography of this area is characterized by a coastal plain, hills, and mountain ranges. The city itself lies along the coast with relatively flat terrain suitable for urban development. However, as you move inland towards the hinterlands, the terrain becomes hilly and mountainous.
The region has a tropical climate with plenty of sunlight throughout the year which makes it potentially suitable for large-scale solar PV installations. However, several factors need to be considered when selecting a site for such an installation:
1. Flat areas: Large-scale solar PV installations require vast tracts of flat land to maximize exposure to sunlight and facilitate maintenance activities.
2. Accessibility: The site should be easily accessible via road or other means for installation and maintenance purposes.
3. Proximity to grid infrastructure: To feed electricity into the grid efficiently, it would be beneficial if the site is close to existing power lines or substations.
Considering these factors, flat coastal plains around Iligan could potentially accommodate large-scale solar PV installations provided they are not heavily populated or used for agriculture or other purposes that might conflict with such use. Other potential sites could include deforested areas in hilly regions where slope angles allow efficient capture of sunlight without causing excessive erosion risks.
However, before any decisions can be made regarding specific locations within this region for large-scale solar PV installations, thorough feasibility studies must be conducted that consider all technical aspects (such as sun exposure), environmental impacts (like potential habitat disruption), social considerations (including land ownership issues), and economic viability (including connection costs).
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
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 12th of January 2024
Last Updated: Wednesday 26th of June 2024
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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.
Helping you assess viability of solar PV for your site
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.