Romblon, Mimaropa, Philippines, located at 12.5774° N, 122.2672° E, offers a promising environment for solar energy generation throughout the year. This tropical location benefits from consistent sunlight, with seasons primarily characterized by wet and dry periods rather than significant temperature variations.

Seasonal Solar Performance

The solar energy potential in Romblon demonstrates a favorable year-round output. Spring stands out as the most productive season, with an impressive 6.76 kWh per day for each kilowatt of installed solar capacity. Summer follows with 5.75 kWh/day, while autumn and winter show slightly lower but still substantial outputs of 5.17 kWh/day and 4.57 kWh/day, respectively.

Optimal Panel Positioning

For fixed solar panel installations in Romblon, Mimaropa, the ideal tilt angle to maximize year-round energy production is 11 degrees facing South. This angle optimizes the panels' exposure to sunlight throughout the year, taking into account the location's latitude and the Earth's orbital patterns.

Peak Generation Periods

The most favorable time for solar energy generation in Romblon is during the spring months, typically from March to May. This period coincides with the dry season, offering clear skies and abundant sunshine. The summer months also provide excellent conditions for solar power production.

Environmental Considerations

While Romblon's tropical climate is generally conducive to solar energy generation, 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: The wet season, usually from June to November, may temporarily reduce solar efficiency. To mitigate these risks, solar installations in Romblon should incorporate: - Sturdy mounting systems designed to withstand high winds - Waterproof components and proper drainage to handle heavy rainfall - Regular maintenance to ensure optimal performance and longevity Despite these challenges, the overall solar potential in Romblon remains high. With proper planning and installation techniques, solar PV systems can provide a reliable and sustainable energy source for the region throughout 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 Romblon

Seasonal solar PV output for Latitude: 12.5774, Longitude: 122.2672 (Romblon, 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 11° South in Romblon, Philippines

To maximize your solar PV system's energy output in Romblon, Philippines (Lat/Long 12.5774, 122.2672) throughout the year, you should tilt your panels at an angle of 11° 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 Romblon, 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 Romblon, Philippines. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 11° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
3° North in Summer	19° South in Autumn	28° South in Winter	6° 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 Romblon, 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 Romblon, 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 Romblon, Philippines

The topography around Romblon, Philippines, is characterized by a diverse and rugged landscape. Situated in the heart of the Sibuyan Sea, Romblon is an archipelagic province consisting of numerous islands, with the main island of Romblon being the focal point. The terrain is predominantly hilly and mountainous, with steep slopes and narrow coastal plains. The main island of Romblon features a central mountain range that runs from north to south, with elevations reaching up to 2,000 feet above sea level. These mountains are covered in lush tropical forests and are intersected by deep valleys and gorges. The coastline is irregular, dotted with numerous bays, coves, and small beaches. Many of the smaller islands surrounding Romblon also exhibit similar topographical features, with varying degrees of elevation and coastal formations.

Potential Areas for Large-Scale Solar PV

When considering areas suitable for large-scale solar photovoltaic (PV) installations near Romblon, several factors come into play. The ideal locations would be relatively flat, receive ample sunlight throughout the year, and have minimal environmental impact. One potential area for solar PV development could be the gently sloping coastal plains on the main island of Romblon. These areas, while limited in size, offer more level terrain and easier access for construction and maintenance. The western and eastern coasts of the island, where the land gradually rises from the sea, might provide suitable sites for solar farms. Some of the larger neighboring islands, such as Tablas and Sibuyan, may also offer promising locations for solar PV installations. These islands have more extensive lowland areas that could accommodate larger solar arrays. The southern portion of Tablas Island, in particular, has some flatter regions that could be well-suited for solar energy development. It's important to note that while the mountainous terrain of Romblon presents challenges for large-scale solar installations, it also creates opportunities for smaller, distributed solar projects. The numerous small communities scattered across the islands could benefit from localized solar energy systems, taking advantage of available hillside or rooftop spaces. Any large-scale solar PV project in the region would need to carefully consider environmental impacts, land use regulations, and the unique geographical constraints of the archipelagic setting. Proper site selection and environmental assessments would be crucial to ensure the sustainability and effectiveness of solar energy development in this tropical island environment.

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.