In the heart of West Bengal’s industrial belt, where the Damodar River flows through Durgapur’s Export Promotion Industrial Park, a quiet revolution has been unfolding since 2008. Sova Solar Limited has grown from a vision of clean energy manufacturing to become one of India’s leading solar photovoltaic module manufacturers, with an impressive annual production capacity of 850 MW – expanding toward 1 GW.

This is the story of how a Kolkata-based company built India-class manufacturing excellence in West Bengal and delivered solar solutions across the nation, serving everyone from individual homeowners to India’s largest public sector undertakings.

Sova Solar’s Journey Since 2008

The Beginning: 2008-2010

Founded in 2008 by Dr. Subrata Mukherjee, a visionary with four decades of experience across steel plants and ferro alloy industries, Sova Solar began with a clear mission: to make the earth clean and green through solar energy generation. The company’s first manufacturing facility commenced production in the financial year 2009-10 at the Export Promotion Industrial Park in Banskopa, Durgapur, West Bengal, with an initial installed capacity of 50 MW per year.

The choice of location was strategic. West Bengal offered established industrial infrastructure, skilled labor from its manufacturing heritage, and supportive state policies for export-oriented units. The company registered as an Export Oriented Unit (EOU) under the Government of India’s scheme, positioning itself for both domestic and international markets.

Building Quality Foundations

From the outset, Sova Solar emphasized quality and international standards. The company achieved ISO 9001:2008 (Quality Management) and ISO 14001:2004 (Environmental Management) certifications early in its journey, later upgrading to ISO 9001:2015 and ISO 14001:2015 as standards evolved.

The company invested in advanced manufacturing technology, installing state-of-the-art automatic module production lines using German technology, ensuring consistent quality and efficiency from the outset.

Scaling Manufacturing Capacity

The growth trajectory has been impressive:

• 2009-10: Started with 50 MW annual capacity
• 2016: Expanded infrastructure to support higher volumes
• 2024: Achieved 850 MW annual production capacity
• Current: Targeting 1 GW capacity expansion
• Vision: Planning 5 GW integrated module manufacturing capacity

This expansion reflects not just ambition but verified demand from a growing client base spanning government entities, private sector companies, and export markets.

Leadership & Management

After graduating from NIT Durgapur in 2014, Mr. Krish Mukherjee joined Sova Solar as CEO, bringing fresh perspectives on business administration and operations. The combination of Dr. Subrata Mukherjee’s four decades of industrial experience and the next generation’s innovative approach has positioned the company for sustained growth.

Our Durgapur Manufacturing Facility Capabilities

Location & Infrastructure

The manufacturing facility at Export Promotion Industrial Park, Banskopa, Durgapur, represents a significant investment in advanced solar technology production. The location provides excellent connectivity for both raw material procurement and finished product distribution across India.

Production Technology

Sova Solar’s manufacturing lines incorporate automation and precision engineering:

Automated Production Lines: State-of-the-art machinery from world-leading technology providers ensures consistent quality across high-volume production. The automation minimizes human error while maximizing throughput and reliability.

German Technology Integration: The production equipment sourced from Germany brings European precision and quality standards to Indian manufacturing, enabling Sova Solar to compete globally on quality parameters.

Quality Control Systems: Every module undergoes rigorous testing:

• 100% Electroluminescence (EL) Testing: Detects micro-cracks and cell defects invisible to naked eye
• Flash Testing: Verifies power output under standard test conditions
• Performance Testing: Ensures modules meet or exceed rated specifications

Product Range & Specifications

Sova Solar manufactures modules ranging from small 3 Wp panels to high-output modules, covering diverse applications:

Standard Features Across Product Lines:

• Anti Reflective Coating (ARC) toughened low iron, textured high light transmission glass
• Multi-layer tedlar and Fast Cure EVA for optimal encapsulation
• Reinforced anodized aluminum frame for structural integrity
• Pre-drilled frames for easy mounting
• IP65 & IP67 rated junction connectors for waterproofing
• Solar MC4 compatible connectors for standard integration
• Excellent power output with positive tolerance up to 4.9 Wp
• 12-year limited product warranty
• 25-year linear power guarantee
• PID (Potential Induced Degradation) resistant modules
• FSI (Flame Spread Index) tested modules – first in India

Manufacturing Certifications

The facility maintains multiple certifications demonstrating commitment to quality and environmental responsibility:

• ISO 9001:2015 (Quality Management Systems)
• ISO 14001:2015 (Environmental Management Systems)
• BIS Certification (Bureau of Indian Standards)
• ALMM Listed (Approved List of Models and Manufacturers)
• Export Oriented Unit (EOU) registration

Technology: MONO PERC, Bifacial, TOPCon Modules

Sova Solar has evolved its product portfolio to include the latest solar technologies, ensuring customers access cutting-edge solutions for maximum efficiency and long-term performance.

MONO PERC Half-Cut Solar Cells

Our high-performance monocrystalline PERC (Passivated Emitter and Rear Cell) modules with half-cut cell technology represent a significant advancement over traditional designs. The half-cut configuration reduces resistive losses, improves low-light performance, and minimizes the impact of shading on overall module output. These modules maximize efficiency and durability for optimal energy production across diverse installation conditions.

Mono PERC Bi-Facial Modules

Bifacial modules unlock the sun’s full potential by capturing light from both front and rear surfaces. Featuring dual glass construction for exceptional durability and industry-leading warranties, these modules can generate 10-30% additional power by utilizing reflected light from the ground or rooftop surfaces. The dual-glass design also enhances longevity in humid and coastal environments where traditional back-sheet materials may degrade faster.

TOPCon – Dual Glass Bifacial Modules

Our most advanced technology offering, TOPCon (Tunnel Oxide Passivated Contact) modules combine cutting-edge cell technology with bifacial design and dual-glass construction. These modules deliver unmatched performance and longevity, with innovative technology that achieves higher efficiencies, exceptional warranties, and minimal power degradation over their operational lifetime. TOPCon technology represents the future of solar manufacturing, offering superior performance particularly in diffused light conditions – ideal for India’s varied climate zones.

Polycrystalline 72 Cell Panels

While advancing toward premium technologies, Sova Solar continues manufacturing reliable polycrystalline modules for cost-sensitive applications. These panels feature Anti Reflective Coating (ARC), high light transmission glass, and durable aluminum frames delivering peak performance at competitive pricing. For large ground-mounted installations where space isn’t constrained, polycrystalline modules offer proven reliability at accessible costs.

Pan-India Project Delivery Experience

Sova Solar’s geographical reach extends far beyond its West Bengal base, with successful project execution across multiple states and sectors.

Major Public Sector Projects

NTPC Talcher, Odisha (300 KW): Completed in FY 2018-19, this crystalline module installation continues running successfully, providing reliable power to one of India’s largest power generation companies. The project’s sustained performance demonstrates the durability and quality of Sova Solar modules in industrial environments.

BHEL Projects (4.3 MW Total): Sova Solar supplied 1 MW and 3.3 MW of polycrystalline modules to Bharat Heavy Electricals Limited in 2017-18 for their own projects. BHEL’s selection of Sova Solar panels for their internal use represents strong validation from one of India’s premier engineering organizations.

L&T Contract Projects (11.215 MW): In partnership with Larsen & Toubro, one of India’s largest EPC contractors, Sova Solar supplied modules for projects under North Bihar Power Distribution Company Limited (NBPDCL) and South Bihar Power Distribution Company Limited (SBPDCL). The company supplied 7 MW in 2017-18 and an additional 4.215 MW in FY 2019-20, demonstrating sustained partnership with a demanding tier-1 EPC contractor.

West Bengal State Projects (30 MW Aggregate): Under West Bengal Power Development Corporation Limited and West Bengal Renewable Energy Development Agency, Sova Solar supplied a total 30 MW across three districts in West Bengal. This significant state-level deployment showcases the company’s ability to handle multi-site, large-scale government projects.

Geographic Diversity

Beyond these major projects, Sova Solar serves clients across India’s diverse climatic zones – from coastal humidity to desert heat, from monsoon-prone regions to semi-arid landscapes. This pan-India presence demonstrates versatility in engineering solutions and logistics capabilities to serve distant markets effectively.

Certifications: BIS, ISO, ALMM Listing

Quality certifications are not just regulatory compliance for Sova Solar – they represent the foundation of manufacturing excellence.

BIS Certification

Bureau of Indian Standards certification is mandatory for all solar panels sold in India. Sova Solar’s BIS certification confirms that modules meet Indian climatic conditions, safety standards, and performance requirements. The certification requires regular testing and factory inspections, ensuring sustained quality across production batches.

ISO 9001:2015 – Quality Management Systems

This internationally recognized certification demonstrates that Sova Solar maintains systematic quality management processes covering all aspects of manufacturing – from raw material procurement to final product delivery. ISO 9001:2015 certification requires documented procedures, regular audits, continuous improvement initiatives, and customer satisfaction measurement.

ISO 14001:2015 – Environmental Management Systems

Environmental responsibility is integral to renewable energy manufacturing. ISO 14001:2015 certification confirms Sova Solar’s commitment to minimizing environmental impact through resource efficiency, waste reduction, emissions control, and compliance with environmental regulations.

ALMM Listing (Approved List of Models and Manufacturers)

Perhaps the most significant certification for the Indian solar market, ALMM listing is mandatory for government projects and subsidy eligibility under schemes like PM Surya Ghar. The ALMM combines BIS certification with additional requirements including factory capacity verification, quality system audits, and financial stability assessment. Sova Solar’s ALMM listing enables participation in government tenders and provides customers with confidence that modules qualify for available subsidies and incentives.

Serving Diverse Sectors Across India

Sova Solar’s client portfolio spans multiple sectors, each with unique requirements and challenges.

Power Sector & Public Sector Undertakings

Major clients include:

• NTPC (National Thermal Power Corporation): India’s largest power generation company
• NHPC (National Hydroelectric Power Corporation): Leading hydropower generator
• BHEL (Bharat Heavy Electricals Limited): Premier engineering and manufacturing PSU
• NLC India Limited: Major lignite mining and power generation company
• Coal India Limited: World’s largest coal producer
• IOCL (Indian Oil Corporation Limited): India’s largest commercial enterprise
• REIL (Rajasthan Electronics & Instruments Limited): Electronics manufacturing PSU

These relationships demonstrate Sova Solar’s ability to meet the stringent technical, quality, and compliance requirements that public sector organizations demand.

Large-Scale Utility Projects

Sova Solar supplied ultra-MW power projects in:

• Pavagada, Karnataka: One of India’s largest solar parks
• Anantapur, Andhra Pradesh: Major renewable energy zone

These utility-scale projects showcase capability to deliver high volumes while maintaining consistent quality across thousands of modules.

Educational Institutions

From the first small 2 KW solar power plant for Durgapur Women’s College in West Bengal to larger institutional installations, Sova Solar supports the education sector’s transition to renewable energy. Educational projects not only reduce operating costs but also provide students hands-on exposure to solar technology.

Industrial, Commercial & Residential Sectors

Beyond large government and utility projects, Sova Solar serves diverse applications:

• Industrial manufacturing facilities requiring daytime power
• Commercial buildings and IT parks with substantial air-conditioning loads
• Residential rooftop installations from individual homes to housing societies
• Agricultural applications including solar water pumps
• Off-grid installations including solar street lights

This sector diversity demonstrates product versatility and the company’s ability to serve varied customer needs across different scales and applications.

Explore Our Product Range

Sova Solar’s comprehensive product portfolio ensures there’s a solution for every application – from small off-grid systems to utility-scale power plants.

Premium Technology Solutions

For customers prioritizing maximum efficiency and cutting-edge technology:

• TOPCon Dual Glass Bifacial Modules: Highest efficiency, superior low-light performance, industry-leading warranties
• Mono PERC Bifacial Modules: Enhanced generation through dual-sided light capture, excellent durability
• MONO PERC Half-Cut Cell Modules: Reduced resistive losses, improved shading tolerance, proven reliability

Standard Efficiency Solutions

For cost-conscious applications with ample installation space:

• Polycrystalline 72-Cell Panels: Reliable performance, competitive pricing, proven track record

All Products Feature:

• Positive power tolerance up to 4.9 Wp
• 12-year product warranty
• 25-year linear power guarantee
• 100% EL tested for quality assurance
• PID-resistant technology
• FSI-tested modules (first in India)
• IP65/IP67 rated for weather resistance

Beyond Panels: Complete Solutions

While solar modules are our core strength, Sova Solar’s experience spans complete solar installations including ground-mounted utility-scale projects, rooftop commercial and residential systems, off-grid applications with battery backup, solar water pumping solutions, and solar street lighting systems.

How to Explore Our Range

We invite you to discover which Sova Solar technology best suits your specific requirements:

For Residential Customers: Visit our website to explore rooftop solar options, calculate your potential savings, understand subsidy eligibility under PM Surya Ghar scheme, and request a site assessment from our technical team.

For Commercial & Industrial Clients: Contact our enterprise division to schedule a detailed feasibility study, discuss customized solutions for your facility, review case studies from similar applications, and receive a comprehensive financial analysis with ROI projections.

For EPC Contractors & Developers: Reach out to our business development team for module specifications and technical datasheets, volume pricing and delivery timelines, factory visit coordination, and quality assurance documentation.

For Government & PSU Projects: Connect with our institutional sales team for ALMM certification verification, compliance documentation for tender submissions, reference project details and performance data, and technical support during bid preparation.

Why Choose Manufacturing Excellence from West Bengal

Sova Solar’s West Bengal base offers unique advantages:

Established Industrial Heritage: West Bengal’s century-old manufacturing tradition provides skilled labor, supplier ecosystems, and quality consciousness.

Strategic Logistics: Excellent road, rail, and port connectivity enables efficient distribution across Eastern, Northern, and Central India, plus export markets.

Quality-Focused Culture: The emphasis on engineering excellence and systematic processes translates to consistent product quality.

Cost Competitiveness: Competitive operating costs enable Sova Solar to offer quality products at attractive prices.

Regional Climate Understanding: Manufacturing in a humid, monsoon-prone region means our engineers understand firsthand the challenges customers face in similar climates – and design accordingly.

Our Commitment to You

Whether you’re considering solar for your home, planning a commercial installation, managing an industrial facility, or developing a utility-scale project, Sova Solar brings:

17 Years of Manufacturing Experience since 2008
850 MW Annual Production Capacity expanding toward 1 GW
State-of-the-Art German Technology ensuring world-class quality
Comprehensive Certifications: BIS, ALMM, ISO 9001:2015, ISO 14001:2015
Proven Track Record with NTPC, BHEL, L&T, Coal India, NLC, IOCL
Advanced Technologies: MONO PERC, Bifacial, TOPCon
Pan-India Project Delivery across diverse climates and applications
12-Year Product + 25-Year Performance Warranties
100% Quality Testing with EL imaging on every module

Get Started with Sova Solar

From our manufacturing facility in Durgapur to installations across India and beyond, Sova Solar represents West Bengal’s contribution to India’s renewable energy revolution. With German technology, Indian engineering talent, and a commitment to quality that has earned the trust of the nation’s most demanding clients, we’re manufacturing the future – one solar panel at a time.

Explore our product range today and discover why leading organizations choose Sova Solar for quality, reliability, and performance.