Powering Today &
Securing Tomorrow.
End-to-end Solar EPC solutions across India. From commercial rooftops to multi-megawatt industrial plants, we make the transition to sustainable energy seamless.
Select a sector to explore our deployment capabilities.
Multi-Megawatt Industrial Plants
Scalable energy infrastructure designed for heavy industries and manufacturing.
Trusted by leading Renewable Energy companies
Jupiter International
Agni Green Power
Innovel Energy
Dayaraj Energy
Solarton
ONERGY Solar
Solace Renewable
Evolve Energy
Renewtech PowerTransitioning communities to clean energy.
Founded in 2023, Diffusion Solar Private Limited is a fast-growing solar EPC company committed to delivering high-quality renewable energy solutions. We execute projects of every scale, from residential rooftops to large industrial and government installations.
- Engineering, procurement, and construction (EPC)
- Installation, commissioning, and approvals
- Long-term annual maintenance (AMC)
Led by founders Suman Maiti and Abhisek Biswas, combining technical excellence with a customer-first approach.
End-to-End
Solar Services.
From initial site survey to long-term maintenance, we manage every stage of your renewable energy transition with precision.
Solar EPC
Engineering, Procurement, Construction including comprehensive Site Surveys and detailed Drawings.
Industrial Installation
Expert Industrial Solar Installation & Commissioning for large-scale manufacturing facilities.
Residential Solar
Complete Residential Solar Installation & Commissioning tailored for homes and communities.
Commercial Projects
Professional Commercial Solar Projects & Commissioning to optimize your business energy costs.
Hybrid & Off-Grid Systems
Reliable On-grid, Off-grid, and Hybrid Systems customized to meet your specific energy requirements.
Solar Pump Installation
Efficient Solar Pump Installation & Commissioning for agricultural and remote water needs.
Solar Street Lights
Standalone Solar Street Light Installation & Commissioning for campuses and public infrastructure.
Solar Maintenance (AMC)
Comprehensive maintenance contracts, system troubleshooting, and performance upgrades.
Net Metering Support
End-to-end support for Net Metering including all documentation and liaison for approvals.
Premium Components.
Zero Compromise.
A solar plant is a 25-year asset. We engineer our systems exclusively using proven, Tier-1 components to guarantee long-term performance.
Tier-1 Solar Panels
High-efficiency monocrystalline and polycrystalline modules for maximum yield.
Smart Inverters
Advanced string and hybrid inverters with high conversion rates.
Energy Storage
Robust battery solutions for reliable off-grid and hybrid installations.
Structure Materials
Durable, weather-resistant mounting structures engineered for high wind loads.
Cabling Solutions
UV-resistant, heavy-duty cables ensuring zero power loss and secure communication.
Total BOS Systems
Complete electrical protection and earthing systems for absolute site safety.
What We Bring
To The Table.
We engineer reliable, long-term energy assets meticulously tailored to your specific infrastructure requirements.
Proven Industry Expertise
Our engineers and project teams deliver dependable solar solutions with precision.
Quality Products
We work exclusively with Tier-1 brands for panels, inverters, and BOS components.
End-to-End Execution
From site survey to commissioning and after-sales support—we manage the entire lifecycle.
Customer-Centric
Built on transparent communication, rigid timelines, and partnerships engineered on trust.
Trusted By
Industry Leaders.
Serving clients across multiple states, our footprint in the renewable sector grows every day. We deliver scale, efficiency, and absolute reliability.
Government & College Projects
Max Single Project Capacity
Core Sectors (Ind, Com, Res, Inst)
Commitment to Clean Energy
What Our Partners Say.
Working with Diffusion Solar has been a smooth and professional experience. Their team handled our solar installation and commissioning with precision, keeping timelines on track and ensuring quality at every stage.
Soudeep Sil
A dependable partner for our solar projects. Their team’s expertise in installation and commissioning has helped us deliver systems that perform reliably. What we appreciate most is their hands-on approach and quick response.
Saikat Chowdhary
Their team’s installation work is thorough, well-organized, and delivered with a strong focus on safety. On site, they adapt to real-time challenges quickly, making collaboration incredibly efficient.
Kamalendu Duwari
Our collaboration has been marked by professionalism and trust. They deliver on commitments while maintaining clear communication. The commissioned systems have performed flawlessly.
Pijus Sir
Choosing them for our rooftop project was the best decision. From installation to commissioning, their team worked with absolute care. They handled all technical aspects, leaving us with a highly reliable system.
Jayanti Majumder
Working with Diffusion Solar has been a smooth and professional experience. Their team handled our solar installation and commissioning with precision, keeping timelines on track and ensuring quality at every stage.
Soudeep Sil
A dependable partner for our solar projects. Their team’s expertise in installation and commissioning has helped us deliver systems that perform reliably. What we appreciate most is their hands-on approach and quick response.
Saikat Chowdhary
Their team’s installation work is thorough, well-organized, and delivered with a strong focus on safety. On site, they adapt to real-time challenges quickly, making collaboration incredibly efficient.
Kamalendu Duwari
Our collaboration has been marked by professionalism and trust. They deliver on commitments while maintaining clear communication. The commissioned systems have performed flawlessly.
Pijus Sir
Choosing them for our rooftop project was the best decision. From installation to commissioning, their team worked with absolute care. They handled all technical aspects, leaving us with a highly reliable system.
