Section-11, Block-D, Pallabi, Mirpur, Dhaka-1216
+88 01771-058768 WhatsApp: +88 01710-377393 aftab_rony@yahoo.com
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Electrical Solar Engineering Autonomous Robotics AWS Cloud & IoT Infrastructure

Empowering Clean Energy with Autonomous Robotics & AWS Cloud Intelligence

Circle 21 Innovation Private Limited engineers turnkey commercial electrical solar farms, deploys AI-driven robotic maintenance crawlers, and bridges industrial SCADA telemetry seamlessly with enterprise AWS Cloud architecture.

Explore Our Projects Meet Leadership Team AWS Cloud IoT Architecture
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Solar Capacity Engineered
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Robotic Systems Deployed
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AWS Cloud Telemetry Uptime
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Industrial & Utility Deliveries
AWS Advanced Tier Cloud Partner
ISO 9001 & ISO 14001 Certified
IEEE Grid Interconnection Standards
OSHA 30 High-Voltage Safety Verified
Engineering Specializations

Integrated Solutions by Circle 21

Our cross-disciplinary synergy unites physical electrical power generation, mechanical robotics, and cloud-scale software infrastructure.

Electrical Solar Systems

Complete EPC design, structural ground racking, and electrical commissioning of commercial solar farms and microgrids.

  • Ground-Mount Galvanized Racking
  • Turnkey Photovoltaic String Commissioning
  • 1500V Smart DC Inverters & Safety Switches
Utility Solar Ground Racking EPC Turnkey

Autonomous Robotics

Proprietary waterless robotic cleaners, automated drone inspection fleets, and robotic manufacturing cells for high-stress industrial operations.

  • Waterless Array Cleaning Crawlers
  • Autonomous Drone Thermal Scans
  • 6-Axis Industrial Assembly Cells
Edge AI Rovers Drone FLIR Mechatronics

AWS Cloud & IoT Stack

Industrial cloud architecture ingesting millions of digital meter telemetry points to drive real-time dashboards and predictive ML maintenance.

  • AWS IoT Greengrass Edge Compute
  • Serverless Lambda & Kinesis Telemetry
  • SageMaker AI Yield Prediction
AWS IoT Core Serverless Predictive AI

Electrical Infrastructure

Subsurface cable conduit trenching, medium-to-high voltage switchgear panels, surge suppression, and utility grid interconnection.

  • Underground Armored Power Conduit
  • Switchgear & Protection Relays
  • SCADA Synchronous Telemetry
Trenching Switchgear High-Voltage
SPECIAL REMARKS

We are a premier solar energy solutions provider in Bangladesh, specializing in complete solar engineering, design, and turnkey installations. From powering agricultural solar irrigation systems to continuous green energy for corporate offices and heavy industrial facilities, we deliver dependable, cost-effective, and high-yield renewable power tailored to local climate conditions.

Our Core Expertise

Solar Irrigation Systems:

Reliable, grid-independent solar pumping solutions designed to empower Bangladesh's agricultural sector with uninterrupted water flow and zero fuel overhead.

Commercial & Office Solutions:

Tailored rooftop solar arrays for corporate buildings and commercial spaces engineered to lower monthly electricity bills and provide backup power.

Industrial Solar Plants:

High-capacity grid-tied and hybrid solar installations designed to meet the heavy power demands of manufacturing units, textile mills, and factories.

360° EPC & Design Services:

End-to-end project management covering site feasibility studies, custom electrical design, professional installation, grid integration, and long-term maintenance.

Optimal Solar Technology for Bangladesh

To withstand Bangladesh's humid tropical climate, high temperatures, and monsoon conditions, we utilize high-grade solar components built for maximum efficiency and longevity:

Tier-1 N-Type TOPCon & Bifacial Panels:

Highly recommended for Bangladesh due to their low temperature coefficient, ensuring minimal power loss during extreme summer heat and superior performance during overcast monsoon days.

Corrosion-Resistant Hardware:

Frames and mounting structures featuring hot-dip galvanization and IP67/IP68 weatherproofing to resist rust caused by high humidity and heavy rain.

Smart Solar Inverters:

High-efficiency, smart string inverters (such as Huawei, Sungrow, or SMA) equipped with remote monitoring, built-in surge protection, and net-metering compatibility for seamless grid integration.

System Architecture

How Our Solar, Robotics & AWS Ecosystem Works

An automated closed-loop ecosystem: high-efficiency solar generation is continuously monitored and cleaned by autonomous robots, streaming live telemetry to AWS for AI optimization.

1. Generation & Inversion

Monocrystalline solar panels harvest irradiance; 1500V smart inverters and digital meters capture AC/DC power flows and transmit raw operational metrics.

2. Autonomous Robotic Care

Autonomous crawler rovers wipe panel dust waterlessly at night while thermal drones scan for cell hotspots, streaming edge diagnostic data.

3. AWS Cloud Telemetry & AI

AWS IoT Greengrass & Timestream ingest high-frequency telemetry. SageMaker models forecast yield and trigger auto-dispatch alerts.

Featured Portfolio

Signature Engineering Projects

Explore Circle 21 Innovation's real field installations, ground structural racking, electrical control stations, and autonomous robotic integrations.

Pabna Marine Academy Campus Network Migration by Circle 21 Innovation ⭐ Govt Landmark Milestone
Bangladesh Marine Academy Pabna Oct 2025 (1 Mo. Delivery)

Pabna Marine Academy – Campus Network & Server Migration

Turnkey optical fiber backbone (2-core & 5-core), OLT/ONU FTTH terminal configuration, central server software deployment, and dual UPS power resilience executed across the entire campus.

Armored Fiber 2 & 5 Core Cable
OLT / ONU Gigabit Terminals
Dual UPS Toten Wall Rack
Full Case Study
Turnkey Commercial PV Solar Array Installation with Field Engineers On-Site Solar

Turnkey Commercial PV Solar Array Installation

Complete turnkey ground-mounted photovoltaic solar system engineered for agricultural and commercial power resilience with on-site commissioning by our field engineering team.

High-Yield Mono PV Cells
Ground-Mount Racking Setup
100% IV-Curve Tested
Field Engineering Rural Microgrid
Ground-Mount Solar Racking and Civil Structural Engineering Civil Racking

Ground-Mount Solar Racking & Structural Engineering

Heavy-duty galvanized steel mounting infrastructure and civil foundation engineering designed for high-density utility solar arrays with extreme wind-load resistance.

Galvanized Structural Steel
140+ km/h Wind Resistance
Deep Piles Anchor System
Structural Steel Utility Scale
Smart Solar Inverter, DC Switchgear and Digital Metering Room Electrical & AWS

Smart Solar Inverter, DC Switchgear & Digital Metering

Commercial solar electrical control station featuring industrial solar inverters with integrated DC disconnect safety switches, distribution cabinets, and digital smart meters linked to AWS IoT.

DC Switch Safety Disconnect
Digital SCADA Smart Meters
AWS IoT Cloud Telemetry
Smart Inverter SCADA Metering
Underground Power Cable Trenching and Conduit Laying Grid Trenching

Underground Power Transmission & Conduit Trenching

Subsurface civil trenching and armored conduit installation connecting solar generation directly to agricultural irrigation hubs and local electrical grid substations.

1.2 Meter Deep Trench
Armored Power Cables
Zero Hazard Subsurface Lay
Subsurface Civil Grid Interconnect
RoboClean Alpha Waterless Autonomous Solar Panel Cleaning Robot Robotics Tech

Autonomous RoboClean Solar Panel Cleaning Fleet

Waterless autonomous solar panel cleaning crawlers operating nightly with edge AI navigation to eliminate soiling yield loss, recovering 8% to 12% in otherwise lost generation revenue.

1.2 km/h Cleaning Speed
0 Liters Water Consumed
Level 4 Autonomy
LiDAR AI Self-Charging
AWS SmartGrid Real-Time Cloud Telemetry Infrastructure and Network AWS Cloud IoT

AWS SmartGrid IoT Telemetry & ML Predictor

Cloud-native real-time SCADA and IoT telemetry pipeline ingesting 150,000 metrics/sec across multiple solar sites, featuring SageMaker machine learning for 72-hour advance fault detection.

150k/sec Data Ingestion
< 220ms Latency
98.6% ML Accuracy
AWS SiteWise SageMaker
1.4 LIST OF COMPLETED / ONGOING PROJECT
A. CONSTRUCTION WORKS
Sl. No Name of the Project Client Project Period
01 Bio Diesel Kuantan Malaysia Electrical and Instrument KNM Process System SDN BHD 2008
02 Electrical work Ara Damansara Malaysia Fabricontron Construction SDN BHD 2009
03 Instrument work Johor Bahru Oil Refinery Malaysia Fabricontron Construction SDN BHD 2010
04 Electrical and Fire Alarm System Kuala Lumpur Malaysia Mecom Enterprise SDN BHD 2011
05 Electrical and Instrument Work Kuantan Malaysia KNM Process System SDN BHD 2012
06 Electrical and Instrument work Chemical Industry Johor Bahru Malaysia Evyap Sabun (M) SDN BHD 2013
07 Electrical and Instrument work Ipoh Malaysia Schneider Electric Malaysia 2014
08 Electrical and Instrument work Tanjung Bin Power Plant Johor Bahru Malaysia Thyssenkrupp 2014-2015
09 Electrical and Instrument work KL Sports City Project Malaysia Mero SDN BHD 2015-2016
10 Electrical and Instrument work Jimah Power Plant Malaysia Port Dickson Fabricontron Construction SDN BHD 2016-2017
11 Electrical and Instrument work Matarbari Power Plant Cox's Bazar Bangladesh AKS Electrical BD LTD. 2021-2023
12 Campus Optical Fiber Backbone, OLT/ONU & Central Server Migration
Turnkey 2-core & 5-core optical fiber network, Toten server racks, software deployment & dual UPS redundancy across full academic campus. 		Bangladesh Marine Academy Pabna (Dept of Shipping) Oct 2025
B. SOLAR PROJECTS
Sl. No Name of the Project Client Location Project Period
01 Solar Irrigation Project (Off-grid Solar Water Pumping System) Nobolok NGO Jessore 2026
02 Solar Power System for Full Office Building (Rooftop Solar Installation) ASO NGO Joypurhat 2026
Note: Circle 21 Innovation PVT LTD. delivers complete solar EPC solutions - from ground-mounted irrigation arrays to full rooftop office electrification - including structure fabrication, panel installation, wiring, and commissioning.
Background & Organization

1.1 Background

Established as a beacon of innovation and excellence, Circle 21 Innovation Private Limited stands at the forefront of the industry, delivering top-notch solutions across a diverse spectrum of services. With an unwavering commitment to quality and a wealth of experience, our company has become synonymous with reliability and excellence in the following domains:

01
Electrical and Instrumentation
02
Design and Engineering Services
03
Installation and Commissioning
04
Procurement of Material and Equipment
05
Maintenance and Support Services
06
Solar Panel Installation and Maintenance
07
Lift Installation and Maintenance
08
Substation Installation and Maintenance
09
Cloud and Server Maintenance

Our Expertise

At Circle 21 Innovation, we pride ourselves on our extensive experience in handling some of the most significant power projects. Our team's proficiency and dedication ensure that each project, regardless of its scale, receives the meticulous attention and professionalism it deserves. Our comprehensive services encompass everything from the initial design and engineering to the procurement, installation, commissioning, and ongoing maintenance of critical infrastructure and systems.

Commitment to Quality

Quality is the cornerstone of our operations. We adhere to the highest industry standards and employ best practices to ensure that our clients receive solutions that not only meet but exceed their expectations. Our commitment to excellence has earned us a reputation for delivering projects on time, within budget, and to the utmost satisfaction of our clients.

Innovation and Sustainability

We believe in sustainable development and continuously strive to incorporate innovative technologies and practices into our work. Our focus on solar panel installation and maintenance underscores our dedication to promoting renewable energy solutions. By integrating cutting-edge technology with practical expertise, we aim to contribute to a greener and more sustainable future.

Client-Centric Approach

Our success is built on strong, long-lasting relationships with our clients. We take a client-centric approach, ensuring that our solutions are tailored to meet the unique needs and challenges of each project. Our collaborative and transparent processes foster trust and result in successful outcomes time and time again.

Strategic Outlook

Vision for the Future

As we look to the future, Circle 21 Innovation Private Limited remains committed to driving innovation and delivering unparalleled service in every project we undertake. Our vision is to continue being a leader in our industry, constantly evolving and adapting to the changing landscape, and making a positive impact on the communities we serve.

By choosing Circle 21 Innovation Private Limited, you are partnering with a company that values integrity, excellence, and customer satisfaction above all else. Let us help you turn your vision into reality.

Official Cloud Academy Track

AWS Certified Solutions Architect Training

Practical industrial AWS Cloud Architecture training engineered by certified practitioners at Circle 21 Innovation. Master multi-tier VPC design, resilient compute auto-scaling, high-availability databases, zero-trust security governance, and pass the official AWS SAA-C03 / SAP-C02 certifications.

AWS Cloud Solutions Architect Training Architecture
Real Multi-AZ VPC Lab Architecture
Click image to inspect full production architecture & syllabus
AWS Certified Track SAA-C03 & SAP-C02 Focus

Production Cloud Engineering & Solutions Architecture

Taught by senior cloud engineers who build industrial IoT and cloud systems daily. Trainees gain deep production knowledge through 85%+ practical labs deploying high-availability cloud infrastructure on AWS.

12 Weeks
72 Practical Hours
85%+
Hands-On Labs
  • Designing resilient Multi-Tier VPCs across Multiple Availability Zones
  • Auto-Scaling EC2 Fleets behind Application Load Balancers (ALB)
  • Amazon Aurora Multi-AZ database clustering & Redis query acceleration
  • Zero-Trust IAM Governance, KMS customer keys & CloudWatch telemetry
01

Cloud Foundations & IAM

Global infrastructure, 6 Well-Architected Pillars, least-privilege IAM policies, KMS encryption keys, and AWS cost management.

02

Multi-Tier VPC Networks

Custom CIDR planning, multi-AZ subnets, redundant NAT Gateways, Transit Gateway hub, and VPC Endpoints without public exposure.

03

Auto-Scaling & Databases

EC2 Nitro fleets, Application Load Balancers, Amazon Aurora Multi-AZ PostgreSQL clusters, and DynamoDB NoSQL scaling.

04

Disaster Recovery & SAA-C03

Multi-Region Route 53 DNS failover, CloudWatch telemetry insights, RPO/RTO strategies, and full SAA-C03 exam simulations.

Explore Complete 8-Milestone Syllabus, Timelines & Lab Exercises on Dedicated AWS Training Page
Corporate Verification & Governance

1.2 Organizational Informations

Official statutory registration, tax compliance identifiers, corporate banking partner, and authorized government enlistments of Circle 21 Innovation PVT LTD.

1.2 Organizational Informations
Name of the company Circle 21 Innovation PVT LTD.
Corporate Address Section-11, Block-D, Main Road-3, Plote-22, Pallabi, Mirpur, Dhaka-1216.
Contacts
Mobile No: +88 01771-058768
Date of Establishment 10 January 2024
Type of Organization Private Limited Company
Place of Registration Dhaka, Bangladesh
Company Registration Number C-19358/2024
Trade License No TRADE/DNCC/007698/2024
VAT Registration No BIN: 006385357-0401
Income Tax Tin No 651366549222
Import Registration Certificate No IRC NO: 260326110907122
Banker to the Company Dutch Bangla Bank
Key Contact Person Aftab Uddin Rony, Chairman
Official Enlistment

Enlisted Government & Institutional Clients

Circle 21 Innovation Pvt Ltd. is proudly enlisted with Bangladesh's premier governmental energy authorities, maritime training academies, civil engineering directorates, and international engineering solutions:

Bangladesh Power Development Board (BPDB)
Department of Shipping Bangladesh
Local Government Engineering Department (LGED)
Bangladesh Marine Academy Pabna
Bangladesh Marine Academy Rangpur
Bangladesh Marine Academy Barishal
National Maritime Institute CTG
Bangladesh Inland Water Transport Corporation (BIWTC)
Bangladesh Shipping Corporation (BSC)
Boustead Salcon Water Solutions PTE Ltd.
1.3 Scope of Services
Circle 21 Innovation PVT LTD. is an independent engineering company. We render services independently and also with reputed National/International engineering service as per need & volume of the construction work and provide the following services and not limited to the following:
DOMAIN 01

Electrical and Instrumentation

Comprehensive low-voltage and high-voltage power networks, motor control centers (MCC), PLC/SCADA automation wiring, process instrumentation, and plant earthing systems.

DOMAIN 02

Design and Engineering Services

Front-End Engineering Design (FEED), detailed CAD schematics, solar yield modeling via PVsyst, structural load calculations, and single-line protection diagrams (SLD).

DOMAIN 03

Installation and Commissioning

Complete on-site erection, equipment calibration, cold & hot commissioning, transformer pre-commissioning tests, and grid interconnection synchronization.

DOMAIN 04

Procurement of Material and Equipment

Global supply chain sourcing under registered IRC NO: 260326110907122 for tier-1 solar PV modules, string & central inverters, copper cables, and switchgear.

DOMAIN 05

Maintenance and Support Services

24/7 Operations & Maintenance (O&M), thermographic infrared inspections, planned preventive maintenance (PPM), and emergency troubleshooting support.

DOMAIN 06

Solar Panel Installation & Maintenance

Utility-scale ground arrays, rooftop solar installations, precision structural racking, bifacial PV tracking, and degradation recovery maintenance.

DOMAIN 07

Lift Installation and Maintenance

Commercial passenger lifts, heavy industrial cargo elevators, traction motor maintenance, guide rail alignment, and safety brake certifications.

DOMAIN 08

Substation Installation and Maintenance

11kV/33kV distribution substations, power transformers, vacuum circuit breakers (VCB), HT/LT distribution panels, and lightning protection arrestors.

DOMAIN 09

Cloud and Server Maintenance (AWS)

AWS IoT Core real-time SCADA telemetry pipelines, server database maintenance, high-availability cloud architecture, and cyber-physical infrastructure security.

SITE MAN-POWER
82+
Total Site Manpower
20
B.Sc. Graduate Engineers
33
Diploma Engineers
29
Technical & Site Support Staff
SL. NO Education Qualification Position Department Number
01 B.Sc. in Engineering Project Engineer (E&I) Construction 04
02 B.Sc. in Engineering Quality Control Engr. Construction 05
03 B.Sc. in Engineering Safety Manager Construction 02
04 B.Sc. in Engineering Electrical Engineer Construction 05
05 B.Sc. in Engineering Computer Engineer Communication 02
06 B.Sc. in Engineering Mechanical Engineer Installation 02
07 Diploma in Engineering Site Engineer Construction 10
09 Diploma in Engineering Quantity Surveyor Construction 02
10 Diploma in Engineering Site Engineer Construction 05
11 Diploma in Engineering Site Engineer Communication 05
12 Diploma in Engineering Site Engineer Installation 04
13 Diploma in Engineering Surveyor Survey 02
14 HSC Mixture Machine Operator Construction 02
15 HSC Supervisor Construction 10
16 HSC Store Register Construction 03
17 Eight Curing Man Construction 08
18 SSC Security Guard Construction 11
Executive Leadership

The People Driving Our Innovation

Meet the executive leadership, engineering visionaries, and cloud architects heading Circle 21 Innovation's solar, robotics, and cloud operations.

Aftab Uddin Rony - Chief Officer, Maersk Line Shipping & Chairman, Circle 21 Innovation
Chairman & Founder

Aftab Uddin Rony

Chief Officer, Maersk Line Shipping
Chairman, circle-21.com

Distinguished maritime officer at Maersk Line Shipping and Chairman of Circle 21 Innovation Pvt Ltd. Bringing global operational command, heavy engineering discipline, and strategic leadership to utility renewable power, E&I projects, and autonomous systems.

Capt. Md. Sakhawat Ullah - Class-1 Master Marine (UK)
Principal Maritime Advisor

Capt. Md. Sakhawat Ullah

Class-1 Master Marine (UK)
Trainer (Wartsila Simulator): GMDSS, ARPA, ECDIS & Ship Handling

Distinguished Class-1 Master Marine (UK) and certified Wartsila simulator trainer. Directing maritime simulation systems, navigation radar technologies, GMDSS communications, and advanced technical training across national marine academies.

Firoj - Managing Director, circle-21.com & Electrical Engineer
Managing Director (MD)

Firoj

Managing Director, circle-21.com
Electrical Engineer

Professional Electrical Engineer directing turnkey EPC solar installations, electrical engineering execution, high-voltage substation commissioning, and industrial operations for Circle 21 Innovation.

Masba Uddin Rumi - Head of IT Infrastructure
Head of IT Infrastructure

Masba Uddin Rumi

Head of IT Infrastructure

Leading enterprise cloud infrastructure, AWS IoT telemetry pipelines, real-time SCADA monitoring networks, and high-availability server architecture for renewable energy and industrial systems.

Sharmin Akter Tuli - Head of Human Resources
Head of Human Resources

Sharmin Akter Tuli

Head of Human Resources
BBA & MBA (University of Dhaka)

University of Dhaka BBA & MBA graduate directing talent acquisition, workforce organizational development, labor compliance, and HR governance across technical engineering and construction teams.

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Schedule an Engineering Consultation

Connect with Circle 21 Innovation Private Limited for technical feasibility studies, solar yield simulations, or robotic fleet sizing.

CIRCLE 21 INNOVATION PVT LTD.

Connect directly with our engineering headquarters in Dhaka for turnkey commercial solar projects, structural racking, and AWS cloud telemetry.

Registered Office Address
Section-11, Block-D, Main Road-3, Plote-22,
Pallabi, Mirpur, Dhaka-1216, Bangladesh.
Mobile Number
+88 01771-058768
WhatsApp Direct
+88 01710-377393 (Chat Now)
Official Email
aftab_rony@yahoo.com
Official Website
www.circle21.com
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