Solar Potential in Villasis, Ilocos, Philippines

Villasis, Ilocos, Philippines offers a promising location for solar energy generation, situated in the tropics where sunlight remains fairly consistent throughout the year. The seasonal electricity output shows strong potential across all meteorological seasons, with some notable variations that potential solar installers should consider. The data reveals that spring is the standout season for solar production in Villasis, Ilocos, generating an impressive 6.94 kWh per day for each kilowatt of installed solar capacity. Summer and autumn both produce identical yields of 5.36 kWh per day, while winter shows only a slight decrease to 5.22 kWh per day. This relatively consistent performance across seasons is characteristic of tropical locations where dramatic seasonal changes are less pronounced than in temperate regions. For maximizing year-round solar energy production in Villasis, Ilocos, fixed solar panels should be installed at a 15-degree tilt facing South. This specific angle has been calculated to optimize the capture of solar radiation throughout the year based on the location's latitude and the sun's seasonal positions in the sky.

Environmental and Weather Considerations

Several environmental factors could potentially impact solar production in Villasis. The Philippines experiences a pronounced monsoon season, typically bringing heavy rainfall from June to November. During these months, cloud cover can significantly reduce solar irradiance reaching panels. Installing micro-inverters or power optimizers can help minimize production losses during partial cloud cover, as they allow each panel to operate independently. Typhoons represent another significant consideration, as the Philippines is located in a typhoon-prone region. Strong winds and flying debris can damage solar installations. Preventative measures include using reinforced mounting systems designed to withstand typhoon-force winds, installing panels closer to the roof surface to reduce wind uplift, and using high-quality panels tested for impact resistance. High humidity and temperatures in this tropical location can also affect solar panel efficiency. Ensuring adequate airflow beneath panels by installing them several inches above the mounting surface can help dissipate heat. Additionally, regular cleaning is essential as dust accumulation is common during the dry season, while the wet season can leave water spots and organic debris that reduce panel efficiency.

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 Villasis

Seasonal solar PV output for Latitude: 15.9046, Longitude: 120.5931 (Villasis, 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 15° South in Villasis, Philippines

To maximize your solar PV system's energy output in Villasis, Philippines (Lat/Long 15.9046, 120.5931) 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.

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

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
0° in Summer	22° South in Autumn	31° South in Winter	9° 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 Villasis, 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 Villasis, 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 Villasis, Philippines

The topography around Villasis in the province of Pangasinan, Philippines, presents a diverse landscape characterized by a mix of flat agricultural plains and gentle rolling terrain. Situated in the central plains of Luzon, Villasis lies within the fertile Agno River Valley, which has shaped much of the surrounding geography. The elevation in this area is relatively low, typically ranging between 20 to 50 meters above sea level across most of the municipality. The western and central portions of Villasis feature predominantly flat agricultural lands, extensively cultivated with rice paddies, corn fields, and various other crops. This flat terrain extends toward neighboring municipalities like Urdaneta City and Rosales. The eastern sections of Villasis gradually transition into more undulating terrain with subtle hills as the landscape begins to rise toward the Cordillera mountain range in the distance.

Hydrological Features

The Agno River, one of the largest river systems in Luzon, flows near Villasis, influencing the topographical development of the region. This river and its tributaries have created alluvial plains that contribute to the area's agricultural productivity. Several smaller streams and irrigation channels crisscross the landscape, further defining the topography and supporting the predominantly agricultural economy.

Potential for Solar PV Development

For large-scale solar photovoltaic (PV) installations, several areas around Villasis show promising potential based on topographical considerations. The flat agricultural plains to the west and southwest of Villasis present ideal conditions for solar farm development. These areas offer minimal slope, reducing construction complexity and costs associated with land preparation. The absence of significant natural obstructions also minimizes shading concerns that could affect solar panel efficiency. The gently rolling terrain to the northeast, extending toward the municipalities of Umingan and San Quintin, provides another viable option for solar PV deployment. These slightly elevated areas typically experience less flooding risk compared to the lower plains, an important consideration given the region's susceptibility to seasonal monsoon rains and occasional typhoons.

Topographical Challenges

Despite the generally favorable terrain, certain topographical aspects around Villasis require careful consideration for solar development. The low-lying areas near the Agno River and its tributaries face periodic flooding during the rainy season, particularly from July through October. These flood-prone zones would require significant engineering interventions to be viable for solar installations. The rich agricultural productivity of the flat plains also presents a land-use conflict, as converting productive farmland to solar facilities must be balanced against food security considerations. This makes the slightly elevated, less agriculturally productive lands to the east potentially more suitable from a socioeconomic perspective. The gradual slopes found in the eastern sections, while still manageable for solar development, would require more extensive site preparation compared to the perfectly flat western plains. However, these modest elevations might offer better drainage characteristics, reducing maintenance concerns related to water accumulation around solar infrastructure.

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!

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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.