Welcome to DENCO SOLAR
A premier Solar company based out of Kolkata, West Bengal, India.

Reliable Solar, BESS & Green Energy Solutions for a Sustainable Future

Power your home, business, or industry with clean, renewable energy while reducing costs and protecting the environment.
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Owner’s Engineering

Technical design review, feasibility, and project supervision for quality assurance.

Project Development

Complete solar project planning, approvals, and execution support.

Technical Consulting

Expert solar advisory to plan and implement efficient, cost-effective solutions.

About Us

Keep Your Environment Clean, Make the Earth Green

Denco Renewable is a premier Solar, BESS, and EV solutions provider headquartered in Kolkata, with international offices in Belgium and Israel. The company is recognized by the Ministry of Micro, Small and Medium Enterprises (Government of India).

We deliver end-to-end, 360-degree renewable energy solutions to IPPs, project developers, homeowners, Commercial & Industrial (C&I) clients, institutions, green building consultants, and government bodies.

Our expertise includes Investment Advisory, Owner’s Engineering, Technical Consulting, Project Development, EPC & Installation, Procurement Support, Operations & Maintenance (O&M), Solar Asset Optimization, Drone Thermography, and IV Curve Testing 

Our portfolio covers solar rooftops, ground-mounted power plants, solar street lighting, solar pumps, home lighting systems, solar water heaters, solar-powered EV charging stations, and Battery Energy Storage Systems (BESS).

We have contributed to 1,000+ MWp of Solar PV projects across the UK, France, Greece, Romania, and other European markets, and supported over 1.5 GW of BESS park development in the USA and UK.

Our Services

Our Renewable Services

Project Development & Advisory

Techno-commercial support for rooftop and utility-scale solar projects. We provide investment advisory, feasibility analysis, and M&A support for sustainable growth.

Design & Engineering

Complete solar design solutions for rooftop and ground-mounted systems. Includes AutoCAD drawings, PVSYST analysis, Helioscope reports, and financial modeling.

EPC & Installation

End-to-end EPC services for solar PV, EV charging, and energy systems. We manage procurement, installation, and commissioning for seamless execution.

Testing & Commissioning

Comprehensive testing and commissioning of solar PV projects, including module IV curve testing, EL testing, and drone inspections to ensure optimal performance.

Liaisoning & Procurement

Government approvals and regulatory compliance made simple. We assist with CEIG approvals, net metering, and solar equipment sourcing.

Operation & Maintenance

Professional O&M services including performance monitoring, preventive maintenance, and system optimization to maximize energy output and ensure long-term reliability.

Operational Solar Plant Generation Optimization

Solar Generation Optimization improves operational solar asset efficiency using advanced monitoring systems, PVSyst performance analysis, SCADA-based data analytics, IV-curve tracing, thermography inspections, inverter tuning, and preventive O&M strategies to maximize energy yield, reduce losses, and enhance long-term ROI.

Drone thermography for Solar Plant

Protect your solar investment with expert drone thermography. Detect hidden hotspots, PID, and string faults before they impact generation. Schedule a professional inspection today to maximize performance, reduce losses, and ensure long-term plant reliability.

IV Curve testing for Solar Plant

Ensure peak solar performance with professional IV Curve Testing. Identify module mismatch, degradation, string faults, and wiring issues with precise diagnostics. Take action today to validate system health, recover energy losses, and safeguard your solar asset’s long-term efficiency and ROI.

Our Solution

Sector We Serve

Residential

We provide reliable residential rooftop solar solutions that help homeowners reduce electricity bills, achieve energy independence, and benefit from net metering and government solar subsidies across India.

Commercial

Our commercial solar solutions are designed for offices, malls, hospitals, and institutions, enabling businesses to lower operational costs, improve sustainability, and secure long-term energy savings.

Industrial

DENCO Renewable delivers high-capacity industrial solar power systems for factories and manufacturing units, helping industries reduce energy expenses, improve power reliability, and meet sustainability goals.

Healthcare

We offer dependable solar energy solutions for hospitals, medical institutes, and healthcare facilities, ensuring uninterrupted power supply, reduced energy costs, and reliable performance for critical operations.

Education

Our solar solutions for schools, colleges, and universities support clean energy adoption, lower electricity expenses, and promote environmental awareness within educational campuses.

Agriculture

DENCO Renewable provides solar solutions for agriculture, including solar pumps and distributed energy systems, helping farmers reduce diesel dependency, lower costs, and improve irrigation efficiency.

Agrivoltaic

Agrivoltaic systems (AVS) integrate solar photovoltaic panels with agriculture on the same land, enabling simultaneous food and renewable energy production.
This dual-use approach increases land efficiency, improves crop resilience, and provides farmers with additional income through clean energy generation.

BIPV

Building-Integrated Photovoltaics (BIPV) integrates solar panels directly into roofs, façades, skylights, and building structures, serving as both construction material and power generator.

Unlike traditional rooftop solar, BIPV replaces standard materials, improves aesthetics, enhances energy efficiency, and supports sustainable, net-zero building design.

How it works

Easy step

Simple Steps to Go Solar and Save Energy
Take a survey location

Our team evaluates your rooftop, ground, or site conditions to design the most efficient solar system.

Estimate your budget cost

We provide a clear, customized cost estimate and financial analysis for your solar project.

Design and Develope

Our experts handle design, engineering, approvals, and planning to prepare your solar installation.

Installation Comissining

We execute the installation and commission your system, ensuring optimal performance and energy savings.

Why Choose us

Live Green, Love Green, Think Green.

We combine innovative eco-friendly solar technology, smart energy solutions, and certified expertise to deliver high-quality, sustainable solar systems.

Design Standards

We follow global best practices to deliver efficient, high-performance solar energy systems.

Quality Control

From design to installation, every project is strictly monitored to ensure premium quality.

Value-Added Solutions

We provide low-cost, sustainable solar systems with maximum return on investment.

After-Sales Support

Our expert team ensures long-term performance with reliable maintenance and support services.

Let’s shine the dream with solar energy

Power your home, business, or industry with clean, reliable solar energy and take a step toward a greener, more sustainable future.

We need a solar solution for a better future.

PM Surya Ghar Yojana – Get ₹78,000 Rooftop Solar Subsidy – FOR CESC  CONSUMERS

The Government of India’s PM Surya Ghar: Muft Bijli Yojana helps residential households install rooftop solar systems with subsidy up to ₹78,000.. 

Alo Shree RTS – Rooftop Solar Scheme by WBSEDCL

The Alo Shree Rooftop Solar Scheme by West Bengal State Electricity Distribution Company Limited (WBSEDCL) promotes grid-connected rooftop solar systems for residential consumers across West Bengal. 

Homeowners receive ₹30,000 per kW up to 2 kW and ₹18,000 per kW up to 3 kW capacity.

Rooftop solar can reduce electricity bills by 70–90% and provide 25+ years of clean energy. 

The subsidy amount is directly credited to the beneficiary’s bank account after successful installation and DISCOM approval.

Denco Solar provides complete assistance including site survey, system design , WBSEDCL or CESC  approval, net metering documentation, installation, and  complete subsidy processing—ensuring a seamless and hassle-free transition to rooftop solar.

Service Providing Location

Solar-Powered EV Charging: Driving the Future Toward Net Zero

A Solar-Powered EV Charging Station is a strategic solution for achieving Net Zero targets. By combining rooftop or carport solar systems with intelligent EV chargers, clean energy powers vehicles directly, cutting grid reliance and carbon emissions.

When integrated with battery storage, surplus daytime solar can be used after sunset, maximizing renewable energy utilization. This solution suits commercial spaces, industries, institutions, and residential communities committed to sustainability.

Beyond reducing operational costs, solar EV charging strengthens green brand positioning and delivers long-term financial returns.

Get in touch

Contact our sales

info@dencosolar.in

+91 93301 20958

Appointment

Let's start your project

Testimonial

What they says about us

"Denco Solar successfully installed our solar system at the NTT Data Data Centre, Kolkata, delivering exceptional value beyond execution. Their team provided expert guidance on technology selection, regulatory policy compliance, and seamless government liaisoning. From planning to commissioning, the project was handled with professionalism, precision, and zero operational disruption. We highly appreciate their structured approach and commitment to quality and sustainability.

Hashmat asood NTT Global Data Centers India

"The Denco Solar team delivered comprehensive end-to-end support—from technology selection and policy advisory to government approvals and seamless execution—for Canam Kolkata Inc. A highly professional and value-driven partner throughout the project lifecycle.

Souma Chatterjee General Manager | Canam Kolkata Inc.

"Denco Solar provided strong preliminary design engineering and detailed PVSYST modelling support for the Ruakākā Solar Farm project. Their technical accuracy, responsiveness, and clear generation analysis added significant value during the early-stage development process. A reliable engineering partner for utility-scale solar projects.

Andrew Beckett Technical Director – Solar, Trilect Solar Ltd

"Denco Solar provided a comprehensive and insightful review on the regulatory framework for utility-scale solar projects in India. Their analysis clearly explained bidding structures, PPA and merchant market dynamics, regional regulatory variations, and opportunities in agrivoltaics. The depth of technical and commercial understanding demonstrated strong expertise in the Indian solar market. A knowledgeable and reliable advisory partner for international developers exploring opportunities in India.

Alon Kessel Representative Doral Group | Israel

"Denco Solar Team is excellent engineering support for the 40MW / 80MWh Kanfanar BESS Park project. Their team demonstrated strong technical expertise in battery energy storage system design, including system configuration, performance optimisation, and grid integration considerations. The documentation and design approach were precise, practical, and aligned with utility-scale standards.

Josip Nash Croatia

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