Flag of United States

Flag of PhilippinesSolar PV Analysis of Malolos, Philippines

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

Malolos, Central Luzon, Philippines, located in the tropics, offers a promising environment for solar energy generation throughout the year. This location benefits from consistent sunlight and experiences seasons characterized more by wet and dry periods rather than significant temperature variations.

Year-round Solar Potential

The solar energy output in Malolos remains relatively stable across most seasons, with a notable increase during spring. In summer, autumn, and winter, the daily electricity output per kilowatt of installed solar capacity ranges from 5.07 to 5.27 kWh. However, spring stands out with an impressive 6.94 kWh per day, making it the most productive season for solar energy generation in this area.

Optimal Panel Positioning

For fixed panel installations in Malolos, Central Luzon, the ideal tilt angle to maximize year-round solar production is 14 degrees facing South. This angle has been calculated to optimize energy capture throughout the year, taking into account the location's latitude and the Earth's elliptical orbit.

Environmental Considerations

While Malolos generally offers favorable conditions 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: During the wet season, frequent rain and cloud cover may temporarily reduce solar output. To mitigate these risks, the following preventative measures can be taken:
  • Use sturdy mounting systems designed to withstand high winds
  • Install protective covers or shutters for extreme weather events
  • Implement a regular maintenance schedule to ensure panels are clean and functioning optimally
  • Consider microinverter systems to minimize the impact of partial shading during cloudy periods
By implementing these measures, solar installations in Malolos can capitalize on the location's favorable solar conditions while minimizing potential disruptions from environmental factors.

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 Malolos

Seasonal solar PV output for Latitude: 14.8443, Longitude: 120.8102 (Malolos, 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 5.27kWh/day in Summer.
Autumn
Average 5.19kWh/day in Autumn.
Winter
Average 5.07kWh/day in Winter.
Spring
Average 6.94kWh/day in Spring.

 

Ideally tilt fixed solar panels 14° South in Malolos, Philippines

To maximize your solar PV system's energy output in Malolos, Philippines (Lat/Long 14.8443, 120.8102) throughout the year, you should tilt your panels at an angle of 14° 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: 14.8443, Longitude: 120.8102, the ideal angle to tilt panels is 14° South

Seasonally adjusted solar panel tilt angles for Malolos, 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 Malolos, Philippines. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 14° 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 21° 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 Malolos, Philippines as follows: In Summer, set the angle of your panels to 1° facing North. In Autumn, tilt panels to 21° 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 Malolos, 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 Malolos, 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 Malolos, 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 Malolos, Philippines

The topography around Malolos, Philippines, is predominantly flat and low-lying. This area is part of the Central Luzon Plain, one of the largest alluvial plains in the country. The landscape is characterized by vast stretches of level terrain, with occasional gentle slopes and small hills scattered throughout the region.

Malolos itself sits at a relatively low elevation, typically less than 20 meters above sea level. The surrounding areas are primarily composed of agricultural lands, including extensive rice fields and other crop plantations. These flat, open spaces are intersected by numerous rivers and streams, with the Angat River being one of the most significant waterways in the vicinity.

To the east of Malolos, the terrain gradually rises towards the foothills of the Sierra Madre mountain range, but this change in elevation is quite gradual and occurs over a considerable distance. To the west, the topography remains flat as it approaches Manila Bay.

Regarding areas nearby that would be most suited for large-scale solar PV (photovoltaic) installations, several factors come into play:

1. The flat, expansive agricultural lands surrounding Malolos could be ideal for solar farms. These areas offer large, unobstructed spaces that receive ample sunlight throughout the year. The municipalities of Calumpit, Paombong, and Hagonoy to the west and southwest of Malolos have extensive flat lands that could be suitable.

2. Areas slightly to the north and northeast of Malolos, such as parts of Guiguinto and Balagtas, also feature open, level terrain that could accommodate large solar installations.

3. The gently sloping areas towards the east, in the direction of Norzagaray and Angat, might also be considered. While not as flat as the western regions, these areas could still support solar farms and might benefit from slightly elevated positions with good sun exposure.

It's important to note that while the topography is favorable for solar PV in many nearby areas, other factors such as land use, proximity to power infrastructure, and environmental considerations would also need to be taken into account when planning large-scale solar projects in this region.

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 Malolos, Philippines
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 18th of August 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