About Unilux Solar

Launched in 2024, Unilux Solar is dedicated to driving the large-scale embrace of solar energy throughout Telangana State in India. As a leading EPC provider, we’ve enabled over 30 households to transition to clean energy. Our key offerings include:

1. Deployment of grid-connected rooftop solar solutions for homes and residential complexes
2. Comprehensive post-installation support and maintenance services
3. Customizable financing options, including easy EMI plans
4. Use of innovative, pre-engineered mounting systems for seamless solar panel setup

We collaborate closely with our clients to create enduring, eco-friendly energy solutions designed to last for a minimum of 2 years, fostering a brighter, sustainable future.

Here’s what makes Unilux Solar stand out:

1. Free solar consultations to help you understand your options.
2. High-quality mounting structures built to withstand cyclonic winds up to 170 kmph, perfect for coastal Andhra Pradesh.
3. Quick 10-minute loan approvals to make going solar hassle-free.
4. 3D rooftop models created within 15 minutes of a site visit, so you can visualize your solar setup.
5. Flexible EMI plans, including our popular zero-cost EMI option.
6. 5-year maintenance contracts for peace of mind.

Our mission? To create a trusted brand that puts you, the customer, first while lighting up Telangana and Andhra Pradesh with clean, green energy.

 

What Are Thin-Film Solar Panels?

Thin-film solar panels are made by depositing thin layers of photovoltaic materials, such as amorphous silicon, cadmium telluride (CdTe), or copper indium gallium selenide (CIGS), onto a substrate like glass, plastic, or metal. Unlike crystalline panels, thin-film panels are lightweight, flexible, and less expensive to produce, though they have lower efficiency (10–13%). They are ideal for large-scale installations or unconventional surfaces in Telangana and Andhra Pradesh, where their flexibility and low cost make them suitable for specific applications.

 

How Do Thin-Film Solar Panels Work?

Thin-film solar panels generate electricity through the photovoltaic effect, similar to crystalline panels but with different materials. Here’s a simple breakdown:

1. Sunlight Absorption: Thin layers of photovoltaic materials absorb sunlight, exciting electrons to create a direct current (DC).
2. Power Optimization: Thin-film panels perform better in diffuse light or high temperatures, making them suitable for cloudy or hot conditions in Telangana and Andhra Pradesh.
3. Power Aggregation: Panels are wired in series or parallel to optimize voltage and current, feeding into a combiner box for safety and monitoring.
4. DC to AC Conversion: An inverter converts DC electricity into alternating current (AC) for household appliances or grid connection.
5. Energy Storage or Grid Feed: In off-grid systems, excess energy charges batteries via a charge controller. In on-grid systems, surplus power is fed to the grid, earning credits from your DISCOM.

 

Features of Thin-Film Solar Panels

Thin-film solar panels are known for their unique characteristics:

1. Low Cost: Cheaper to produce than crystalline panels (₹30–40/Wp), ideal for budget-conscious projects.
2. Lightweight and Flexible: Can be installed on curved or unconventional surfaces, such as sheds or temporary structures.
3. Moderate Efficiency: 10–13% efficiency, lower than monocrystalline (20–23%) or polycrystalline (15–18%) panels.
4. High-Temperature Performance: Better efficiency in hot climates like Telangana and Andhra Pradesh compared to crystalline panels.
5. Durability: Last 15–20 years, with coatings to withstand coastal humidity and monsoons.

 

Components of a Thin-Film Solar Panel System

A solar system using thin-film panels includes the following components, optimized for cost and flexibility:

1. Thin-Film Panels: Layers of photovoltaic materials (e.g., amorphous silicon, CdTe, CIGS) on a substrate, offering flexibility and low weight.
2. Inverter: Converts DC to AC power. Modern inverters offer up to 96% efficiency and smart monitoring.
3. Charge Controller (for off-grid systems): Uses Maximum Power Point Tracking (MPPT) to optimize battery charging and extend lifespan.
4. Battery (for off-grid or hybrid systems): Lithium-ion batteries (8–12 years lifespan) or lead-acid (3–5 years) store excess energy.
5. Mounting Structures: Pre-engineered, lightweight frames to secure panels, designed to withstand winds in coastal Andhra Pradesh.
6. Accessories: Includes DC/AC cables, MC4 connectors, earthing strips, and lightning arresters for safety during Telangana’s monsoons.

 

When Should You Use Thin-Film Solar Panels?

Thin-film solar panels are ideal for specific scenarios in Telangana and Andhra Pradesh:

1. Large-Scale Installations: Perfect for farms or industrial sheds in Srikakulam, Nalgonda, or Kurnool, where large surface areas are available.
2. Budget Projects: Suitable for rural homes or community projects in Warangal or Anantapur seeking low-cost solar solutions.
3. Unconventional Surfaces: Ideal for curved roofs, temporary structures, or non-traditional surfaces in rural or semi-urban areas.
4. High-Temperature Areas: Perform well in hot climates like Hyderabad or Rajahmundry, where crystalline panels may lose efficiency.
5. Portable Applications: Used in mobile or temporary setups, such as agricultural camps or rural clinics.

For urban homes with reliable grid access and limited roof space, Unilux Solar recommends on-grid systems using monocrystalline or polycrystalline panels for higher efficiency. Thin-film panels are better for large-scale or budget-conscious projects.

 

Estimated Costs of Thin-Film Solar Panel Systems in Telangana and Andhra Pradesh (2025)

The cost of a thin-film solar panel system is lower than crystalline systems but requires more panels due to lower efficiency. Below are approximate costs for 2025:

System Capacity	On-Grid Cost (After Subsidies, ₹)	Off-Grid Cost (₹)
2 kWp	70,000–1,20,000	1,40,000–1,80,000
3 kWp	80,000–1,30,000	2,20,000–2,70,000
5 kWp	1,60,000–2,40,000	3,80,000–4,60,000
10 kWp	3,80,000–4,80,000	5,20,000–6,50,000

Note: On-grid costs reflect subsidies under the PM Surya Ghar Muft Bijli Yojana. Off-grid costs include batteries. Unilux Solar offers on-grid and hybrid systems; thin-film and off-grid prices are market estimates.

 

Subsidies for Thin-Film Solar Panels

The PM Surya Ghar Muft Bijli Yojana offers subsidies of ₹30,000–₹78,000 for on-grid rooftop solar systems, including those using thin-film panels, depending on capacity. No subsidies are available for off-grid systems. Contact Telangana’s TSSPDCL or Andhra Pradesh’s APSPDCL for local incentives and application details.

 

Advantages and Disadvantages of Thin-Film Solar Panels

Advantages

1. Low Cost: Cheapest among solar panels (₹30–40/Wp), ideal for budget-conscious projects.
2. Lightweight and Flexible: Can be installed on curved or unconventional surfaces, perfect for sheds or temporary structures.
3. High-Temperature Performance: Maintains efficiency in hot climates like Telangana and Andhra Pradesh.
4. Good in Diffuse Light: Performs well in cloudy conditions or partial shade, common during monsoons.
5. Eco-Friendly: Uses less material in production, reducing environmental impact.

Disadvantages

1. Lower Efficiency: 10–13% efficiency requires more panels and space compared to monocrystalline (20–23%) or polycrystalline (15–18%).
2. Shorter Lifespan: Lasts 15–20 years, shorter than crystalline panels (20–30 years).
3. Battery Costs for Off-Grid: Off-grid systems require batteries, adding ₹50,000–₹2,00,000 to costs.
4. No Off-Grid Subsidies: Only on-grid systems qualify for government financial assistance.

 

Thin-Film vs. Other Solar Panels

Here’s how thin-film panels compare to other types in Telangana and Andhra Pradesh:

Feature	Thin-Film	Monocrystalline	Polycrystalline
Efficiency	10–13%	20–23%	15–18%
Cost	₹30–40/Wp	₹50–70/Wp	₹40–50/Wp
Lifespan	15–20 years	25–30 years	20–25 years
Best For	Large-scale, budget projects	Urban homes, limited space	Budget installations, large rooftops
Appearance	Thin, uniform	Sleek black	Blue, speckled

 

Why Choose Unilux Solar for Thin-Film Solar Panels?

Unilux Solar is exploring thin-film panel technology to deliver cost-effective, flexible solutions:

1. Expert Guidance: We help you evaluate thin-film panels for large-scale or unconventional projects in Srikakulam, Kurnool, or rural areas.
2. Affordable Financing: 10-minute loan approvals and zero-cost EMI plans make adoption seamless.
3. Durable Design: Our pre-engineered mounting structures ensure panels withstand coastal winds and monsoons.
4. Long-Term Support: 5-year maintenance contracts guarantee performance for at least 2 years and beyond.
   
   

Conclusion

Thin-film solar panels are an affordable, flexible solution for large-scale or budget-conscious projects in Telangana and Andhra Pradesh, particularly for farms, industrial sheds, or unconventional surfaces. While less efficient than crystalline panels, their low cost and high-temperature performance make them valuable for specific applications. For urban homes with reliable grids, Unilux Solar’s on-grid systems using monocrystalline or polycrystalline panels offer higher efficiency and subsidies, but thin-film panels are a great choice for large or rural setups. Contact Unilux Solar for a free consultation to explore how thin-film solar panels can power your sustainable future!

 

FAQs

Q: How much does a thin-film solar panel system cost in Telangana and Andhra Pradesh?
A: Costs vary by system type and capacity:

1. On-Grid (after subsidies): ₹70,000 (2 kWp) to ₹4,80,000 (10 kWp)
2. Off-Grid: ₹1,40,000 (2 kWp) to ₹6,50,000 (10 kWp)
   Note: Unilux Solar offers on-grid and hybrid systems; thin-film and off-grid prices are market estimates.

Q: What are the drawbacks of thin-film solar panels?
A: Lower efficiency (10–13%), shorter lifespan (15–20 years), and larger space requirements are the main drawbacks, along with battery costs for off-grid systems.

Q: Are there subsidies for thin-film solar panel systems?
A: Yes, on-grid systems qualify for ₹30,000–₹78,000 under the PM Surya Ghar Muft Bijli Yojana. Off-grid systems are not subsidized.

Q: How many thin-film panels are needed for a typical home?
A: For a 3 kWp system, 10–12 panels (250–300W each) are typically required, depending on roof space and energy needs, due to lower efficiency.