San Carlos City in the Philippines is a very suitable location for solar power generation throughout the year due to its tropical climate with consistent sunlight. The amount of electricity that can be produced from each kilowatt of installed solar panels varies slightly by season, but it's generally high. In summer, autumn and winter, you can expect around 5.3 kilowatt-hours per day from each kilowatt of installed panels. In spring, this increases to about 6.9 kilowatt-hours per day.

The best time to generate solar energy at this location would be during spring when the output is highest. However, even during other seasons, the production remains quite high making it an excellent place for year-round solar energy generation.

For fixed panel installations at San Carlos City, Ilocos, tilting your panels 15 degrees towards the south would give you maximum yearly production from your photovoltaic (solar) system.

Despite these benefits though there might be some factors that could affect your solar production here. Being a tropical region means experiencing wet and dry seasons which could impact your yield - in particular heavy rainfall or typhoons could reduce sunlight reaching your panels or potentially damage them.

To mitigate these risks and ensure greater energy production:

1) Regular maintenance: Clean off any dirt or debris on the panel surface regularly especially after heavy rains.
2) Durable Installation: Ensure that installation is sturdy enough to withstand strong winds during typhoon season.
3) Insurance: Consider getting insurance coverage for potential damages caused by extreme weather conditions.
4) Backup System: Having a backup power system like batteries could help store excess power generated during sunny days and use it when sun exposure is low.

So overall while there are some challenges they can be managed with proper planning and care making San Carlos City an ideal location for generating energy via solar PV throughout most of 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 San Carlos City

Seasonal solar PV output for Latitude: 15.9348, Longitude: 120.3456 (San Carlos City, 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:

Average 5.33kWh/day in Summer.

Average 5.37kWh/day in Autumn.

Average 5.26kWh/day in Winter.

Average 6.90kWh/day in Spring.

Ideally tilt fixed solar panels 15° South in San Carlos City, Philippines

To maximize your solar PV system's energy output in San Carlos City, Philippines (Lat/Long 15.9348, 120.3456) throughout the year, you should tilt your panels at an angle of 15° 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.

At Latitude: 15.9348, Longitude: 120.3456, the ideal angle to tilt panels is 15° South

Seasonally adjusted solar panel tilt angles for San Carlos City, 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 San Carlos City, Philippines. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 15° South tilt angle throughout the year.

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 San Carlos City, 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 San Carlos City, 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.

Topography for solar PV around San Carlos City, Philippines

San Carlos City is located in the province of Pangasinan, Philippines. The topography around San Carlos City is mostly flat with some hilly areas and it's surrounded by agricultural land. The city itself is also quite urbanized. It has a tropical climate with a significant amount of rainfall throughout the year, even during the dry season.

Considering these factors, the flat agricultural lands surrounding San Carlos City are most suited for large-scale solar PV installations as they provide ample space for such projects and receive sufficient sunlight throughout the year. However, it's important to note that any development should consider local farming practices and potential impacts on food production or local ecosystems.

Additionally, rooftops in urbanized areas within San Carlos City could be utilized for smaller scale solar PV systems. This would not only contribute to renewable energy generation but also reduce reliance on traditional power sources within city limits.

Before proceeding with any large-scale project though, detailed site assessments including solar irradiation studies would need to be conducted to ensure optimal positioning and efficiency of the proposed solar panels.

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

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?

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.

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.

©Copyright Aaron Robinson and profileSOLAR.com 2019-2025

Home
Solar: United States
Solar: Worldwide
Solar Panel Tilt Angle
Login

Privacy
Disclaimer
Impressum
Contact Us