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Flag of IndonesiaSolar PV Analysis of Sorong, Indonesia

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

Sorong, Southwest Papua, Indonesia, located in the tropics at latitude -0.8833 and longitude 131.2598, presents a highly favorable environment for solar energy generation throughout the year. The consistent sunlight typical of tropical regions contributes to steady solar production, with minimal seasonal variations.

Solar Energy Output

The expected electricity output per kilowatt of installed solar capacity in Sorong is impressive across all seasons: • Spring: 6.01 kWh/day • Summer: 5.17 kWh/day • Autumn: 5.72 kWh/day • Winter: 5.39 kWh/day These figures demonstrate a remarkably consistent energy production throughout the year, with spring being the most productive season. The relatively small variation between seasons is a significant advantage for solar energy systems in this location.

Optimal Panel Tilt

For fixed panel installations in Sorong, Southwest Papua, the ideal tilt angle to maximize year-round solar production is 1 degree North. This nearly horizontal orientation is due to the location's proximity to the equator, where the sun's path remains relatively high in the sky throughout the year.

Environmental Considerations

While Sorong's tropical climate is generally conducive to solar energy production, there are some environmental factors to consider: High humidity and frequent rainfall, particularly during the wet season, could potentially impact solar panel efficiency. To mitigate this, panels should be installed with proper drainage and cleaning systems. Additionally, using high-quality, weather-resistant panels and components is crucial. The region may experience occasional tropical storms or cyclones. Ensuring that solar installations are securely mounted and can withstand strong winds is essential. Implementing a robust monitoring system can help detect and address any storm-related issues promptly.

Maintenance Considerations

Regular cleaning of solar panels is important in this tropical environment to prevent dust, pollen, and other debris from reducing efficiency. Implementing an automated cleaning system or scheduling frequent manual cleaning can help maintain optimal performance. In conclusion, Sorong, Southwest Papua, Indonesia offers an excellent location for solar energy production, with consistent year-round output and minimal seasonal variations. By addressing the few environmental challenges through proper installation and maintenance practices, solar PV systems in this area can achieve high efficiency and reliability.

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 151 locations across Indonesia. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Indonesia by location

Solar output per kW of installed solar PV by season in Sorong

Seasonal solar PV output for Latitude: -0.8833, Longitude: 131.2598 (Sorong, Indonesia), 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 5.17kWh/day in Summer.
Autumn
Average 5.72kWh/day in Autumn.
Winter
Average 5.39kWh/day in Winter.
Spring
Average 6.01kWh/day in Spring.

 

Ideally tilt fixed solar panels 1° North in Sorong, Indonesia

To maximize your solar PV system's energy output in Sorong, Indonesia (Lat/Long -0.8833, 131.2598) throughout the year, you should tilt your panels at an angle of 1° North 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: -0.8833, Longitude: 131.2598, the ideal angle to tilt panels is 1° North

Seasonally adjusted solar panel tilt angles for Sorong, Indonesia

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 Sorong, Indonesia. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 1° North tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
15° South in Summer 7° North in Autumn 17° North in Winter 5° 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 Sorong, Indonesia as follows: In Summer, set the angle of your panels to 15° facing South. In Autumn, tilt panels to 7° facing North for maximum generation. During Winter, adjust your solar panels to a 17° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 5° angle facing South to capture the most solar energy in Sorong, Indonesia.

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 Sorong, Indonesia

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 Sorong, Indonesia.

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 Sorong, Indonesia

Sorong, located in the western part of Indonesia's Papua province, is characterized by a diverse and rugged topography. The area surrounding Sorong is a mix of coastal plains, rolling hills, and dense tropical forests. Along the coastline, you'll find stretches of sandy beaches and mangrove swamps, while further inland, the terrain becomes more varied and elevated. The landscape around Sorong is dominated by lush vegetation, typical of the region's tropical rainforest climate. As you move away from the coast, the terrain gradually rises, forming a series of hills and low mountains. These elevations are part of the larger mountain ranges that run through Papua, though they are not as dramatic as the central highlands further east.

Coastal Plains and Lowlands

The immediate vicinity of Sorong consists of relatively flat coastal plains. These areas are where most of the urban development and agricultural activities take place. The terrain here is generally low-lying and prone to occasional flooding during the rainy season.

Hilly Interior

Moving inland from the coast, the landscape transitions into gently rolling hills covered in dense tropical forests. These hills become more pronounced as you travel further from Sorong, eventually giving way to steeper slopes and deeper valleys.

Rivers and Waterways

The region is crisscrossed by numerous rivers and streams, which have carved their paths through the landscape over millennia. These waterways contribute to the area's biodiversity and play a crucial role in the local ecosystem.

Potential for Solar PV Development

When considering areas suitable for large-scale solar PV installations near Sorong, the coastal plains and gently sloping hills offer the most promise. These areas typically have better access to existing infrastructure and are easier to develop than the more rugged interior regions. The cleared lands on the outskirts of Sorong, where deforestation has already occurred, could be prime candidates for solar farms. These locations often have the advantage of being relatively flat and close to existing power grids and transportation networks. However, it's important to note that the region's high rainfall and frequent cloud cover may impact the efficiency of solar installations. Careful site selection and thorough environmental impact assessments would be necessary to ensure the viability and sustainability of any large-scale solar PV projects in the area. In conclusion, while the topography around Sorong presents some challenges for solar PV development, there are suitable areas, particularly in the coastal plains and cleared lands, that could potentially support such installations. Balancing the need for renewable energy with the preservation of the region's rich biodiversity will be crucial in any future development plans.

Indonesia solar PV Stats as a country

Indonesia ranks 71st in the world for cumulative solar PV capacity, with 211 total MW's of solar PV installed. Each year Indonesia is generating 1 Watts from solar PV per capita (Indonesia ranks 88th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Indonesia?

Yes, there are several incentives for businesses wanting to install solar energy in Indonesia. The Indonesian government has implemented a number of policies and programs to encourage the adoption of renewable energy sources such as solar power. These include tax exemptions, subsidies, feed-in tariffs, and other financial incentives. Additionally, the government has established a Renewable Energy Fund which provides grants for research and development projects related to renewable energy technologies.

Do you have more up to date information than this on incentives towards solar PV projects in Indonesia? Please reach out to us and help us keep this information current. Thanks!

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Sorong, Indonesia
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 14th of January 2025
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.

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