Engineering Energy. Enabling Progress
Utility-Scale and Industrial-Grade Renewable Energy Solutions Across Asia-Pacific and Emerging Markets.
GreenTech Solar Limited is a turnkey engineering, procurement, and construction (EPC)
enterprise specializing in high-yield photovoltaic power plants, battery energy storage systems
(BESS), electric mobility infrastructure, and smart grid automation. We combine multidisciplinary engineering expertise with rigorous quality assurance to deliver robust energy
infrastructure for residential, commercial, industrial, and municipal clients.
ABOUT GREENTECH SOLAR
GreenTech Solar Limited operates as an integrated energy engineering enterprise dedicated to accelerating the global transition toward decarbonized power systems. With an engineering-first methodology, we evaluate every project through comprehensive geotechnical analysis, electrical load profiling, grid-impact modeling, and life-cycle financial forecasting. Our capabilities cover the full life cycle of clean energy assets—from initial site identification and PPA structuring, through detail engineering, Tier-1 procurement, civil execution, grid interconnection, and long-term operations and maintenance (O&M).
Strategic Intent: Mission, Vision & Values
OUR MISSION:
Engineered Reliability: To design, construct, and operate high-performance renewable power systems that reduce energy costs for commercial and industrial enterprises.
Grid Resilience: To advance energy independence by deploying advanced battery storage, microgrids, and intelligent power management technologies.
Sustainable Progress: To catalyze regional economic growth through clean energy transition and zero-carbon mobility integration.
OUR VISION:
To serve as a premier renewable energy engineering conglomerate driving grid modernization, commercial decarbonization, and smart infrastructure across AsiaPacific and international emerging markets.
OUR CORE VALUES:
- Engineering Excellence: Strictly adhering to international IEEE, IEC, and local grid code requirements.
- Zero-Harm Safety: Enforcing absolute HSE compliance across all civil, mechanical, and electrical site installations.
- Applied Innovation: Developing forward-looking, clean thermal and storage solutions through dedicated R&D.
- Long-Term Asset Value: Ensuring maximum Levelized Cost of Energy (LCOE) performance across 25+ year operational lifespans.
Four-Step Engineering Methodology
01. UNDERSTAND — Load Profiling, Power Factor Analysis & Grid Feasibility Assessment
02. ENGINEER — Electrical SLD, 3D Structural CAD & Protection Coordination Design
03. DELIVER — Tier-1 Equipment Sourcing, Civil Construction & High-Voltage Interconnection
04. SUPPORT — Real-Time Cloud Telemetry, Scheduled O&M & Asset Performance Verification
CORE SOLUTIONS PORTFOLIO
Solar Photovoltaic Systems
☀On-Grid Commercial & Industrial PV — High-efficiency utility-tied systems designed to offset peak-hour grid consumption, lower operating costs, and fulfill net-metering export protocols.
Hybrid Energy Storage PV — Integrated PV and battery systems configured for multi-source management (Solar PV + Battery + Utility Grid + Diesel Generator), offering continuous power during utility interruptions.
Off-Grid Microgrids — Independent generation systems engineered for islanded locations, telecommunications sites, remote agricultural facilities, and critical infrastructure.
Battery Energy Storage Systems (BESS)
Advanced Battery Technology: Industrial Lithium Iron Phosphate
($\text{LiFePO}_4$) chemistry featuring liquid-cooled thermal management and intelligent Battery Management Systems (BMS).
Core Capabilities
- Peak Shaving: Reduce demand charges during peak utility tariff hours.
- Frequency Regulation: Maintain grid voltage and frequency stability.
- Load Shifting: Store excess solar energy generated during the day for evening use.
- Black-Start Capability: Autonomous system startup during total grid failure.
- Generator Suppression: Drastically reduce diesel generator runtime and fuel costs.
ELECTRIC MOBILITY INFRASTRUCTURE (EVSE)
GreenTech Solar Limited provides end-to-end electric vehicle charging infrastructure— engineered with open communications protocols (OCPP 1.6J / 2.0.1) and dynamic load management for complete integration with power grids, solar PV systems, and building management networks.
A. AC SMART CHARGER Low to High PowerArchitected for long-duration parking environments where vehicles remain stationary for extended periods.
7.4 kW Single-Phase AC Smart Charger
⚡ Specifications: 230\text{V}, 32\text{A} Single-Phase | Type 2 Connector / Socket
- Primary Applications: Residential Garages, Single-Family Homes, Private
Executive Parking - Features: Wi-Fi/Bluetooth Connectivity, Scheduled Night Charging, Smart Mobile App Access Control
11 kW Three-Phase AC Smart Charger
⚡ Specifications: 400\text{V}, 16\text{A} Three-Phase | Type 2 Connector
- Primary Applications: Multi-Family Apartments, Condominiums, Boutique Hotels, Corporate Office Parks
- Features: Dynamic Load Balancing (DLB), RFID Card Authentication, OCPP 1.6J Cloud Integration
22 kW Three-Phase High-Capacity AC Charger
⚡ Specifications: 400\text{V}, 32\text{A} Three-Phase | Dual Type 2 Sockets /Guns
- Primary Applications: Commercial Shopping Malls, Luxury Resorts, University Campuses, Municipal Parking Garages
- Features: Integrated Billing Management, Automated Power Allocation, IP55
Weatherproof Enclosure
B. DC FAST CHARGER Low to High Power
Engineered for rapid energy transfer, high turnover environments, and heavy commercial fleet operations.
⚡ 30 kW – 60 kW Compact DC Fast Charger
⚡ Specifications: CCS2 / CHAdeMO Dual Connectors | Output Voltage:
150\text{V} – 1000\text{V}\text{ DC}
- Primary Applications: Urban Commercial Hubs, Car Dealerships, Auto Garages, Hotel Valet Stations
Features: Integrated 7\text{-inch} Touchscreen UI, POS Credit Card Terminal
Support, Efficiency > 95\%
⚡ 120 kW – 180 kW Dual-Gun Ultra Fast DC Charger
⚡ Specifications: CCS2 Dual Guns with Simultaneous Charging | Peak Current
up to 250\text{A}
Primary Applications: Highway Service Corridors, Fuel Stations, Shopping
Complex Charging Parks
Hybrid & Off-Grid Energy Systems
Energy Where Reliability Matters Most.
Not every location can depend entirely on the grid.
GreenTech Solar develops hybrid and off-grid energy systems combining renewable generation, energy storage and other available power sources according to project requirements.
Applications
- Remote Facilities
- Agricultural Projects
- Rural Infrastructure
- Commercial Facilities
- Industrial Operations
- Critical Infrastructure
- Backup Energy Systems
System Integration
Solar PV + Battery Storage + Grid + Generator + Energy Management
The objective is to create a coordinated energy system that improves reliability and makes better use of available energy resources.
ENERGY STORAGE
Battery Energy Storage Systems — BESS
Store Energy. Control Power. Strengthen Resilience.Energy storage is becoming a critical component of modern power infrastructure.
GreenTech Solar provides Battery Energy Storage Systems designed to support renewable energy integration, backup power, peak-load management and smarter energy utilization.
Our BESS solutions can integrate with:
- Solar PV
- Utility Grid
- Generators
- EV Charging Systems
- Hybrid Energy Systems
- Microgrids
BESS Applications
Solar Energy Storage
Store renewable energy and make it available when required.
Backup Power
Provide energy support during grid interruptions and emergency conditions.
Peak Demand Management
Use stored energy strategically during periods of high demand.
Commercial & Industrial Storage
Support business operations with scalable energy storage solutions.
Hybrid Energy Systems
Coordinate solar, battery, grid and generator resources.
Microgrid Applications
Support integrated energy systems designed for greater resilience and control.
Battery Technology
Our BESS solutions can incorporate modern lithium battery technologies, including:
- LiFePO₄
- Intelligent BMS
- Modular Architecture
- Scalable Capacity
- High Cycle Life
- Thermal Stability
- Fast Charging
- Low Maintenance
- High Round-Trip Efficiency
Energy Management System
Our energy management approach enables intelligent control of:
- Real-Time Energy
- Battery SOC
- Charging
- Discharging
- Load Optimization
- Peak Demand
- Performance Analytics
- Remote Diagnostics
- Energy Reporting
- Alerts & Notifications
Explore Energy Storage for Your Facility.
ELECTRIC MOBILITY
EV Charging Infrastructure
Powering the Transition to Electric Mobility.The growth of electric mobility requires a dependable charging ecosystem.
GreenTech Solar provides end-to-end EV charging infrastructure—from site assessment and engineering design to equipment installation, commissioning, smart management and ongoing technical support.
EV Charging Solutions
AC Smart Charging
Designed for locations where vehicles remain parked for longer periods.
Ideal for:
- Homes
- Offices
- Hotels
- Apartments
- Universities
- Hospitals
- Workplaces
DC Fast Charging
High-power charging solutions for locations where faster vehicle turnaround is important.
Ideal for:
- Highway Service Areas
- Fuel Stations
- Shopping Malls
- Commercial Centers
- Fleet Depots
- Public Charging Hubs
Fleet Charging
Dedicated infrastructure for:
- Electric Buses
- Logistics Fleets
- Delivery Vehicles
- Corporate Fleets
- Ride-Sharing Operations
Public Charging Networks
Scalable charging infrastructure for commercial operators, municipalities, utilities and smart mobility initiatives.
Solar-Integrated EV Charging
We can integrate solar PV with EV charging infrastructure to improve renewable energy utilization and support more sustainable charging operations.
Smart Charging Capabilities
- Intelligent Load Management
- Dynamic Power Distribution
- Remote Monitoring
- Mobile App Integration
- RFID / QR Authentication
- OCPP-Compatible Management
- Real-Time Energy Monitoring
- User Access Control
- Cloud-Based Reporting
- Billing & Payment Integration
EV Project Services
Consultancy
Site assessment, power availability, feasibility and capacity planning.
Engineering
Electrical design, load calculations, SLD, protection coordination and civil/foundation requirements.
Installation
Charger installation, cabling, distribution integration and transformer coordination.
Commissioning
Testing, configuration, functional verification and project handover.
O&M
Preventive maintenance, software support, monitoring, emergency technical support and spare-parts coordination.
Engineering & Consultancy
Engineering Consultancy
Engineering Before Investment.A successful energy project begins long before installation.Our engineering consultancy services help clients understand their energy requirements, technical options, project feasibility and implementation requirements before moving into execution.
Site Survey & Technical Assessment
We evaluate:
- Site Conditions
- Roof & Structural Requirements
- Electrical Infrastructure
- Equipment Locations
- Shading
- Installation Feasibility
Energy Audit & Load Analysis
We analyze:
- Energy Consumption
- Load Profiles
- Peak Demand
- Power Quality
- Demand Forecast
- Energy-Saving Opportunities
Feasibility Study
Our feasibility assessment can include:
- Technical Feasibility
- Financial Analysis
- ROI Assessment
- Payback Estimation
- Risk Assessment
- Project Recommendations
Engineering Design
We provide:
- Solar PV Design
- Electrical Design
- Structural Design
- Cable Sizing
- Cable Routing
- Earthing Design
- Lightning Protection
- Protection Coordination
- SLD
- General Arrangement Drawings
BOQ & Technical Documentation
We prepare:
- BOQ
- Technical Specifications
- Material Selection
- Engineering Drawings
- Method Statements
- Inspection & Test Plans
- Commissioning Procedures
Project Management
Every Project Needs More Than a Plan. It Needs Control.
GreenTech Solar’s Project Management Office coordinates the technical and operational aspects of project delivery.
We focus on ensuring that projects remain aligned with defined scope, schedule, budget, quality and safety requirements.
PMO Responsibilities
- Project Planning
- Scheduling
- Resource Allocation
- Cost Monitoring
- Procurement Coordination
- Risk Management
- Quality Management
- HSE Coordination
- Client Communication
- Progress Reporting
- Documentation Control
Project Delivery Framework
01 — Consultation
Understand the client’s objectives.
02 — Site Survey
Collect technical and operational information.
03 — Feasibility
Assess technical and commercial viability.
04 — Engineering
Develop the complete technical solution.
05 — Procurement
Source equipment and coordinate logistics.
06 — Construction
Execute installation under controlled project management.
07 — Testing
Verify technical performance and safety.
08 — Commissioning
Bring the system into operational service.
09 — Handover
Provide documentation, training and warranty information.
10 — O&M
Continue supporting the asset throughout its lifecycle.
Operation & Maintenance — O&M
Protecting Performance Beyond Project Completion.
Installing an energy system is only the beginning of its lifecycle.
Our O&M services are designed to help clients maintain system performance, identify issues early and protect their long-term investment.
Preventive Maintenance
Regular inspection and maintenance designed to reduce avoidable failures.
Corrective Maintenance
Technical intervention when equipment or system performance requires attention.
Performance Monitoring
Continuous or scheduled monitoring of system performance and operating conditions.
Remote Diagnostics
Where supported by the installed system, remote monitoring can help identify abnormal conditions and potential issues.
Equipment Inspection
Inspection of critical equipment and system components.
Thermal Inspection
Identification of abnormal thermal conditions where applicable.
System Optimization
Performance review and technical recommendations to improve system operation.
Warranty Support
Coordination of warranty-related technical requirements and manufacturer support.
Annual Maintenance Contracts
Structured long-term maintenance programs for organizations requiring ongoing technical support.
Our objective:
Keep your energy assets performing—not simply installed.
TESTING & COMMISSIONING
Verification Before Handover.
Every completed project should be technically verified before it becomes an operational asset.
Our testing and commissioning process may include:
- Visual Inspection
- Electrical Testing
- Insulation Resistance Testing
- Earth Resistance Testing
- Functional Testing
- Protection Verification
- Performance Verification
- Grid Synchronization
- System Acceptance Testing
- Client Acceptance Testing
The project is then supported with relevant documentation and handover records.
QUALITY ASSURANCE & QUALITY CONTROL
Quality Is a Process, Not a Promise.
GreenTech Solar applies QA/QC practices across the project lifecycle.
Engineering Quality
- Design Verification
- Drawing Review
- Engineering Calculations
- Material Specifications
Procurement Quality
- Vendor Evaluation
- Equipment Verification
- Material Receiving Inspection
- Quality Documentation
Site Quality
- Installation Inspection
- Workmanship Verification
- Cable Inspection
- Electrical Inspection
- Mechanical Inspection
Commissioning Quality
- Electrical Testing
- Functional Testing
- Performance Verification
- Acceptance Testing
Handover Documentation
- Inspection Reports
- Test Certificates
- As-Built Drawings
- O&M Manuals
- Training Records
HSE — HEALTH, SAFETY & ENVIRONMENT
Safety Is Built Into Every Project.
We believe responsible engineering means protecting people, property and the environment.Our HSE practices support safe project execution through:
- Site Risk Assessment
- PPE Compliance
- Electrical Safety
- LOTO Procedures
- Permit-to-Work
- Safe Energization
- Earthing Verification
- Working-at-Height Controls
- Emergency Preparedness
- Incident Reporting
- Environmental Protection
- Waste Management
Our Safety Objective
Zero Harm. Safe Execution. Responsible Engineering.
SMART ENERGY & DIGITAL MONITORING
See Your Energy. Understand Your Performance.
Modern energy infrastructure requires visibility.
Where supported by the installed system, GreenTech Solar integrates smart monitoring and energy-management capabilities to provide better operational awareness.
Digital Capabilities
- Real-Time Monitoring
- Energy Generation Monitoring
- Battery SOC Monitoring
- Load Monitoring
- Performance Analytics
- Remote Diagnostics
- Alarm Notifications
- Cloud Monitoring
- Energy Reporting
- Smart Charging
- Energy Management
Why It Matters
Better visibility helps organizations understand how their energy assets are performing and where operational improvements may be possible.
R&D AND INNOVATION
We Don’t Just Follow the Energy Transition. We Explore What’s Next.
Technology is constantly changing.
Our R&D direction focuses on exploring practical clean-energy technologies, energy efficiency solutions and smart energy applications.
R&D Areas
- Renewable Energy Technology
- Smart Energy
- Energy Efficiency
- Energy Storage
- EV Infrastructure
- Digital Energy Management
- Sustainable Product Development
Featured Product
Smart IR EcoCook Stove
A GreenTech Solar R&D product concept focused on solar-powered cooking and energy efficiency.
The product is designed around the objective of reducing conventional electricity consumption through an innovative clean-energy approach.
INDUSTRIES WE SERVE
Engineered Around Your Industry.
Commercial
Corporate offices, shopping malls, commercial buildings and business parks.
Industrial
Manufacturing, processing industries, warehouses and industrial facilities.
Residential
Homes, apartment complexes and residential developments.
Healthcare
Hospitals and healthcare facilities.
Education
Universities and educational institutions.
Hospitality
Hotels, resorts and hospitality businesses.
Agriculture
Solar irrigation, fisheries, poultry, dairy and agro-processing.
Government
Government offices, municipal and public infrastructure.
Financial Institutions
Banks and financial-sector facilities.
Transportation
EV charging, logistics companies and fleet operators.
PARTNERSHIPS
Building Stronger Solutions Through Collaboration.
The clean-energy transition requires collaboration across technology, engineering and supply chains.
GreenTech Solar works with technology providers, equipment suppliers, consultants, engineering professionals and strategic partners to create stronger project outcomes.
Partnership Opportunities
Technology Partnership
Technology integration, product collaboration and technical development.
Supply Partnership
Equipment sourcing, supply chain coordination and project support.
Engineering Partnership
Technical collaboration and specialist engineering support.
Business Partnership
Joint opportunities, market development and project collaboration.
R&D Partnership
Innovation, research and clean-technology development.
Service Partnership
Long-term technical and lifecycle support.
Our Partnership Philosophy
We look for partnerships built on:
Trust • Technical Capability • Transparency • Innovation • Long-Term Value
PROJECT PORTFOLIO
Projects That Reflect Our Engineering Capability.
Our portfolio represents work across renewable energy, solar EPC, EV charging, engineering and energy infrastructure.
Project Categories
Commercial Rooftop Solar
Energy systems for offices, commercial facilities and business properties.
Industrial Solar
Solar infrastructure for manufacturing and industrial operations.
Utility-Scale Solar
Large-scale renewable energy projects requiring integrated engineering and EPC execution.
EV Charging
AC charging, DC fast charging and fleet infrastructure.
Energy Storage
Battery systems for backup, renewable integration and energy management.
Agricultural Energy
Solar-powered solutions for agricultural and rural applications.
Net-Metering Projects
Grid-connected solar solutions designed around applicable project requirements.
SUSTAINABILITY
Creating Value for People, Business and the Planet.
Sustainability is not an additional feature of our business.
It is part of why we exist.
By supporting renewable energy adoption, energy efficiency and clean transportation, GreenTech Solar contributes to a cleaner and more resilient energy future.
Our Sustainability Priorities
- Renewable Energy Adoption
- Energy Efficiency
- Carbon Reduction
- Clean Transportation
- Responsible Resource Management
- Sustainable Engineering
- Environmental Awareness
ESG
Responsible Business. Measurable Ambition.
Environmental
We support cleaner energy systems, better energy efficiency and responsible resource management.
Social
We promote workplace safety, employee development, technical education, community engagement and customer responsibility.
Governance
We emphasize:
- Integrity
- Transparency
- Accountability
- Regulatory Compliance
- Risk Management
- Ethical Decision-Making
WHY GREENTECH SOLAR?
One Partner. Complete Energy Capability.
Engineering-Led
Our solutions begin with understanding the technical requirement.
End-to-End
From feasibility to O&M, we can support the complete project lifecycle.
Quality-Focused
QA/QC processes are integrated into project execution.
Safety-Driven
HSE principles guide field operations.
Technology-Oriented
We work across solar, storage, EV charging, monitoring and energy management.
Customer-Centered
We believe communication and accountability are essential to successful projects.
Long-Term Support
Our responsibility does not end at commissioning.
Partnership Mindset
We build relationships designed to create long-term value.
OUR PROJECT DELIVERY PROCESS
A Structured Approach to Every Project.
DISCOVER
Understand the client’s requirements, objectives and challenges.
ASSESS
Conduct site survey, energy audit and technical assessment.
ANALYZE
Evaluate feasibility, energy demand, technical options and project considerations.
ENGINEER
Develop the technical design, system architecture, BOQ and documentation.
PROCURE
Select and coordinate appropriate equipment, suppliers and logistics.
EXECUTE
Implement construction and installation under controlled project management.
VERIFY
Conduct QA/QC inspections, testing and performance verification.
COMMISSION
Complete system commissioning and operational readiness.
HANDOVER
Provide documentation, training and warranty information.
SUPPORT
Continue with O&M, monitoring and technical support.
OUR PEOPLE
People Behind the Engineering.
Technology creates possibilities.
People turn those possibilities into working infrastructure.
GreenTech Solar brings together professionals across:
- Business Development
- Project Management
- Engineering
- Procurement
- Finance & Administration
- Legal & Compliance
- QA/QC
- HSE
- Site Execution
- O&M
- Customer Support
Our teams work together across the complete project lifecycle to maintain technical quality, operational discipline and client confidence.
CORPORATE LEADERSHIP
Leadership With Purpose.
Our leadership philosophy is built around responsible growth, engineering excellence, innovation, professional governance and long-term stakeholder value.
Managing Director
Sajib Ashraful Islam
Managing Director
GreenTech Solar
“Our ambition is not simply to deliver renewable energy projects. It is to build long-term energy solutions that create real value for our clients, partners and communities.”
CORPORATE MESSAGE
Powering Progress. Responsibly.
The transition to clean energy is no longer only about technology.
It is about resilience.
It is about efficiency.
It is about responsible investment.
And ultimately, it is about building a better future.
At GreenTech Solar, we are committed to being a trusted engineering partner throughout that journey.
We bring together people, technology and engineering to create energy solutions that are practical today and ready for tomorrow.
We engineer energy.
We enable progress.
We build for the future.
Planning an Industrial Energy Project?
Let’s discuss your load, site and operational requirements.
Future AI & Smart Healthcare
Technology will continue to transform healthcare.As our platform develops, we may introduce AI-assisted features for:
- Medical record organization
- Report categorization
- Appointment reminders
- Follow-up notifications
- Ambulance demand forecasting
- Emergency dispatch optimization
- Fleet analytics
- Operational decision support
AI will be used responsibly as a supporting technology and will not replace qualified medical professionals or clinical judgment.
CONTACT PAGE
Let’s Build Your Energy Future.
Whether you are planning a solar project, industrial energy system, BESS installation, EV charging network, energy audit or engineering consultancy assignment, our team is ready to understand your requirements.
General Enquiries
Business & Strategic Partnerships
Phone
Corporate Locations
Dhaka
Shotabdi Tower, Fokirapul, 12B
Dhaka, Bangladesh
Mymensingh
GM Knock Tower, S-G22, Station Road
Mymensingh, Bangladesh
Chittagong
Hightech Park, L7, Agrabad
Chittagong, Bangladesh