Best Solar Company In Kolkata
We are committed to sustainable energy solutions that protect our planet, delivering high-quality solar panel installations you can trust.
Why choose Sri Sri Hareshwar Machinery?
About Us
At Sri Sri Hareshwar Machinery, we specialize in delivering innovative solar energy, engineering, and drone-based solutions that empower homes, businesses, and industries. With a commitment to quality, innovation, and customer satisfaction, we provide complete project execution—from planning and installation to maintenance and long-term support.
We Handle Everything. You Just Save.
Free Home Visit & Rooftop Survey
Our team measures your rooftop to design a solar system for maximum generation.
Free 3D Solar Design
We share a personalised 3D rooftop solar design, so you can clearly see how it will look on your home.
Hassle-Free Installation & Subsidy Support
Our experts install your solar system and handle all paperwork, including the subsidy—no follow-ups needed.
Solar On. You Save. We Maintain.
Your system starts saving from day one, while we handle maintenance for smooth performance year after year.
We are Empaneled Vendor of WBSEDCL-CESC on PM Suriya Ghar Muft Bijli Yojana
Solar Power Plant On Grid System
As a leading solar company in West Bengal, we specialize in residential and solar pump solutions. We are also an authorized vendor for the PM Surya Ghar Yojana, ensuring our customers receive top-quality service and government subsidies.
🌿 North Bengal
🏛 Central Bengal
🌊 South Bengal
Solar Panel Structure
- Each one of our Structures is customized based on the User’s Needs.
- The structures are designed using Industrial Standard Simulation Software to sustain up to 180 Kmph wind speed.
- All our structures are galvanized with 80-micron Zn coating, which gives the structure a minimum of 10 years of rust-free life
Explore Our Range Of Services
We provide comprehensive solar energy, engineering, and drone-based solutions tailored to residential, commercial, industrial, and government projects, ensuring quality, efficiency, and long-term performance.
Residential Solar Installation
Power your home with clean, renewable energy through our customized rooftop solar solutions. We manage everything from site inspection and system design to installation, net metering assistance, and after-sales support, helping homeowners reduce electricity costs and achieve long-term energy savings.
Commercial Solar System Installation
Our commercial solar solutions are designed for offices, factories, warehouses, educational institutions, hospitals, and industrial facilities. We develop scalable systems that reduce operational expenses while providing reliable and sustainable energy for businesses.
Solar Plant Maintenance & AMC
Maximize the performance and lifespan of your solar power system with our comprehensive Operation & Maintenance (O&M) and Annual Maintenance Contract (AMC) services. Our maintenance programs include system inspections, panel cleaning, performance monitoring, fault detection, troubleshooting, and preventive maintenance.
Solar Street Light Installation
We supply and install high-quality solar street lighting systems for residential communities, industrial parks, commercial campuses, highways, rural roads, and public infrastructure projects. Our energy-efficient lighting solutions ensure reliable illumination with minimal maintenance.
Drone Inspection & Survey
Our advanced drone inspection services provide safe, fast, and highly accurate inspections for solar power plants, industrial facilities, construction sites, and infrastructure projects. Drone technology helps identify issues quickly while reducing operational risks and inspection costs.
Drone Mapping Services
Using advanced aerial mapping technology, we deliver precise geospatial data for land development, infrastructure planning, construction monitoring, topographical surveys, and project management. Our drone mapping solutions support informed decision-making and efficient project execution.
Thermal Imaging & Diagnostics
We perform detailed thermal inspections using high-resolution drone-mounted and handheld thermal cameras to detect hotspots, electrical faults, damaged solar panels, equipment failures, and energy losses before they become major operational issues.
Site Assessment & Feasibility Study
Every successful project begins with proper planning. Our experts conduct detailed site assessments, structural evaluations, shading analysis, energy consumption studies, and technical feasibility assessments to recommend the most efficient and cost-effective solution.
PM Surya Ghar & Subsidy Assistance
We provide complete assistance with government subsidy programs, including PM Surya Ghar and WBSEDCL processes. Our team supports customers with documentation, application procedures, net metering approvals, and compliance requirements to ensure a smooth and hassle-free experience.
We Have Collaborate With Amazing Companies






