Mormugao, Goa, India, located at 15.3911° N, 73.8204° E, presents a favorable environment for solar energy production throughout the year. This tropical location benefits from consistent sunlight, with seasonal variations primarily characterized by wet and dry periods rather than significant temperature fluctuations.
Solar Energy Potential
The solar energy potential in Mormugao is impressive, with substantial electricity output expected from photovoltaic (PV) installations across all seasons. Spring emerges as the most productive period, generating an average of 6.69 kWh per day for each kilowatt of installed solar capacity. Winter follows with 5.57 kWh/day, then autumn with 5.16 kWh/day, and summer with 4.76 kWh/day. These figures indicate that Mormugao is an excellent location for year-round solar energy production, with spring and winter being particularly favorable. The relatively high output during all seasons suggests that solar PV systems in this area can provide a reliable and consistent source of renewable energy throughout the year.Optimal Panel Tilt
For fixed solar panel installations in Mormugao, Goa, the ideal tilt angle to maximize year-round energy production is 15 degrees facing South. This angle is calculated based on the location's latitude and seasonal solar elevation angles, ensuring optimal exposure to sunlight throughout the year.Environmental Considerations
While Mormugao's climate is generally conducive to solar energy production, there are some environmental factors to consider: 1. Monsoon season: The region experiences heavy rainfall during the monsoon months (typically June to September), which could temporarily reduce solar output due to cloud cover and reduced sunlight. 2. Coastal location: Proximity to the sea may expose solar installations to salt spray, potentially accelerating corrosion of equipment. To mitigate these challenges, the following preventative measures can be implemented:- Use corrosion-resistant materials and protective coatings on solar panels and mounting structures to combat salt spray effects.
- Install robust drainage systems to manage heavy rainfall and prevent water accumulation on panels.
- Implement regular cleaning schedules to remove salt deposits and other debris, ensuring optimal panel performance.
- Consider slightly steeper panel angles during monsoon season to promote self-cleaning by rainwater.
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 422 locations across India. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in India by location
Solar output per kW of installed solar PV by season in Mormugao
Seasonal solar PV output for Latitude: 15.3911, Longitude: 73.8204 (Mormugao, India), 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 Mormugao, India
To maximize your solar PV system's energy output in Mormugao, India (Lat/Long 15.3911, 73.8204) 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 Mormugao, India
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 Mormugao, India. 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 | 21° 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 Mormugao, India
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 Mormugao, India.
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 Mormugao, India
Mormugao, located in the southwestern Indian state of Goa, is characterized by a diverse and picturesque topography. The region surrounding Mormugao is a blend of coastal plains, rolling hills, and lush forests, creating a stunning landscape that transitions from sea level to higher elevations as you move inland. The coastline near Mormugao features sandy beaches and rocky outcrops, with the Arabian Sea stretching out to the west. As you move away from the coast, the terrain gradually rises, forming gentle slopes and low-lying hills. These hills are part of the Western Ghats mountain range, which runs parallel to India's western coast. The hills in this area are generally not very steep, with most elevations ranging from 50 to 200 meters above sea level. Inland from Mormugao, the landscape becomes more varied, with a mix of plateaus, valleys, and forested areas. The region is crisscrossed by several rivers and streams, including the Zuari River, which forms a wide estuary near Mormugao. These water bodies have shaped the terrain over time, creating fertile alluvial plains and occasional ravines.
Suitable Areas for Large-Scale Solar PV
When considering areas near Mormugao for large-scale solar photovoltaic (PV) installations, several factors come into play. The most suitable locations would be those with ample sunlight exposure, relatively flat terrain, and minimal environmental impact. The coastal plains and gently sloping areas inland from Mormugao offer promising potential for solar PV projects. These areas receive abundant sunshine throughout the year, making them ideal for solar energy generation. The relatively flat terrain in these regions would simplify the installation process and reduce construction costs. Some of the plateaus found further inland from Mormugao could also be suitable for large-scale solar PV installations. These elevated areas often have fewer obstructions to sunlight and may offer better exposure than lower-lying regions. However, care should be taken to avoid ecologically sensitive areas or lands used for agriculture. It's important to note that while the hilly regions might seem attractive due to their elevation, they may not be the best choice for large-scale solar projects. The uneven terrain and potential shading from nearby hills could reduce the efficiency of solar panels and increase installation complexity. When selecting sites for solar PV projects, it's crucial to consider factors beyond just topography, such as proximity to power grids, land availability, and local regulations. Conducting thorough site assessments and environmental impact studies would be necessary to determine the most suitable locations for large-scale solar PV installations in the Mormugao region.India solar PV Stats as a country
India ranks 5th in the world for cumulative solar PV capacity, with 49,684 total MW's of solar PV installed. This means that 6.50% of India's total energy as a country comes from solar PV (that's 11th in the world). Each year India is generating 36 Watts from solar PV per capita (India ranks 56th in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in India?
Yes, there are several incentives for businesses wanting to install solar energy in India. These include:
1. Capital Subsidy: The Ministry of New and Renewable Energy (MNRE) provides a capital subsidy of up to 30% on the cost of installing solar power systems for commercial and industrial establishments.
2. Accelerated Depreciation: Businesses can avail accelerated depreciation benefits under Section 32 of the Income Tax Act, 1961, which allows them to claim tax deductions on investments made in solar projects over a period of five years instead of claiming it all at once.
3. Net Metering: This policy allows businesses to sell excess electricity generated from their rooftop solar system back into the grid at retail rates, thus reducing their electricity bills significantly.
4. Solar Renewable Energy Certificates (SREC): Businesses can earn SRECs by generating renewable energy through their rooftop solar systems and then selling these certificates in the open market or trading platforms like IEX or PXIL at predetermined prices set by state regulatory commissions.
Do you have more up to date information than this on incentives towards solar PV projects in India? 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: Monday 11th of November 2024
Last Updated: Monday 21st of July 2025
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.




