The location of Taytay, Calabarzon, Philippines, is quite suitable for generating solar energy throughout the year. This is due to its tropical climate where sunlight is consistent for most parts of the year. The seasons are typically divided into wet and dry periods rather than the traditional four seasons.
In terms of power output, in summer you can expect about 5.18 kilowatt-hours (kWh) per day for each kilowatt (kW) of installed solar panels. In autumn, this slightly decreases to around 4.40 kWh/day per kW; in winter it's roughly 3.98 kWh/day per kW; and in spring there's a significant increase with an expected output of approximately 6.17 kWh/day per kW.
Given these figures, spring seems to be the most ideal time for generating solar energy at this location due to higher daily power output from your installed solar panels.
For maximizing your total yearly production from your solar photovoltaic system at this location, it's best to tilt your panels at an angle that faces 12 degrees towards south if you're using a fixed panel installation setup.
However, there might be factors that could impact the efficiency and productivity of your solar installation in Taytay such as environmental conditions or local weather patterns like heavy rainfall during wet season which may cause dirt build-up or shading on panel surfaces leading to reduced energy production; also frequent typhoons may pose risk on physical damage on installations.
Topography could also play a role - if there are hills or tall structures nearby they could potentially cast shadows over the panels thereby reducing their effectiveness.
To prevent these issues affecting performance:
1) Regular maintenance including cleaning should be carried out especially after heavy rainfalls.
2) Installing protective measures such as sturdy mounting systems can help protect against wind damage.
3) If possible place panels in locations that are not likely to fall under shadow during peak sun hours.
4) Using microinverters or power optimizers can help mitigate issues with shading as they allow panels to operate independently of each other.
By considering these factors, you can ensure better energy production from your solar installation in Taytay, Calabarzon, Philippines.
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 Taytay
Seasonal solar PV output for Latitude: 14.5679, Longitude: 121.1291 (Taytay, 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 12° South in Taytay, Philippines
To maximize your solar PV system's energy output in Taytay, Philippines (Lat/Long 14.5679, 121.1291) throughout the year, you should tilt your panels at an angle of 12° 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 Taytay, 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 Taytay, Philippines. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 12° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 2° North in Summer | 20° South in Autumn | 30° South in Winter | 8° 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 Taytay, 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 Taytay, 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 Taytay, Philippines
Taytay is located in the province of Rizal, Philippines. The topography of Taytay is characterized by a mix of flat lowlands and hilly areas. It's situated near Laguna de Bay, the largest lake in the country, to its south. To its east are the Sierra Madre Mountains.
The flat lowland areas would be most suitable for large-scale solar PV installations due to their ease of access and construction. However, it's important to consider that these areas are also often used for agriculture and urban development.
Other potential sites could be rooftops in urbanized areas within Taytay or nearby cities like Antipolo or Pasig. These locations can take advantage of existing infrastructure while minimizing land use conflicts.
However, any plan for large-scale solar PV installation needs careful evaluation considering several factors including sun exposure (solar irradiance), local climate conditions (like frequency of typhoons which might damage installations), proximity to power grids for easy transmission, environmental impact, as well as social and economic implications on local communities.
Please note that accurate site-specific data would be required for a detailed feasibility study.
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 23rd of February 2024
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.
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.




