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Rooftop & Industrial Solar Energy

Solar PV Solutions

Generate more. Spend less. Build energy resilience.

DEEPTI Engineering engineers industrial-scale solar PV installations designed to maximize kilowatt-hour yield per square foot of roof space. We convert unutilized roof assets into predictable, cheap clean energy with guaranteed ROI and net-metering synchronization.

✓ Rooftop Solar PV✓ Net Metering✓ Shadow Analysis✓ Tier-1 Tier Hardware

Core Capabilities & Engineering Deliverables

Structured engineering scopes designed to eliminate technical risk and deliver certified results.

1

Feasibility & Yield Modeling

3D drone site survey, structural load verification, high-resolution solar irradiance simulation, and financial modeling.

Deliverables:
3D Shadow & Irradiance Analysis
Roof Structural Load Assessment
PVSyst Energy Yield Simulation
25-Year Cash Flow & ROI Model
2

Engineering & System Architecture

Detailed string layout, tier-1 string/central inverter matching, AC/DC protection panels, and grid synchronization design.

Deliverables:
AC/DC Electrical SLD
String Cable Sizing & Conduit Routing
Mounting Structure Engineering
Net Metering Interconnection Scheme
3

Procurement & Turnkey Execution

Deployment using Tier-1 BloombergNEF rated monocrystalline PERC/TopCon modules and German/European standard inverters.

Deliverables:
Factory Acceptance Tests (FAT)
Quality-Controlled Installation
Earthing & Lightning Protection System
Utility Net-Metering Handover
4

IoT Monitoring & Lifecycle O&M

Cloud-connected module-level performance tracking, planned thermal drone inspections, panel cleaning protocols, and warranty support.

Deliverables:
Cloud Dashboard Access
Preventative Cleaning Schedules
Thermographic Fault Spotting
Annual Performance Guarantees

Technical Specifications & Compliance Benchmarks

Module Technology (BD EPC Standard)Tier-1 N-Type TOPCon & Bifacial PERC (550W / 580W / 585W / 610W / 670W)
Inverter Efficiency>98.8% with Smart MPPT & Rapid Grid Shutdown
Typical Payback Period3.2 to 4.5 Years for Commercial/Industrial Tariffs
Structural IntegrityWind rated up to 160 km/h with aluminum/GI mounting

Solar PV Generation & ROI Estimator

Technical Estimation Tool • সোলার হিসাব

Industrial Rooftop Solar PV Feasibility Model

কারখানার ছাদের পরিমাপ ও বর্তমান বিদ্যুৎ বিলের ভিত্তিতে সম্ভাব্য উৎপাদন, সাশ্রয় ও বিনিয়োগ ফেরত সময়সীমা নিরূপণ।

Standard BenchmarkN-Type TOPCon 585W
15,000 sq ft
2,000 sq ft75,000 sq ft150,000+ sq ft
BDT 350,000
BDT 50kBDT 2.5MBDT 5M+
BDT/kWh
Design Assumptions:

Calculated on 4.1 peak sun hours/day in Bangladesh with ~85 sq ft per kWp allowance for maintenance walkways and inverter clearance.

Technical Output SummaryBangladesh Solar Profile
System Capacity (ক্যাপাসিটি)
176 kWp
~301 Modules
Monthly Output (উৎপাদন)
21,120 kWh
Units per month
মাসিক আনুমানিক সাশ্রয় (Monthly Bill Offset):BDT 242,880
বাৎসরিক সাশ্রয় (Annual Generation Yield):BDT 2,914,560
টার্নকি আনুমানিক বাজেট (Estimated EPC CAPEX):BDT 9,504,000
বিনিয়োগ ফেরত (Simple Payback):3.3 Years
Annual CO₂ Abatement:207.8 Tons/Year

Target Facility Applications

RMG Sheds & Export Processing Factories
Warehouses & Distribution Centers
Agro-Processing & Cold Chains
University & Hospital Campuses
Commercial Headquarters

Technical Questions & Answers

How much roof space is required per 100 kWp of solar capacity?

Typically, 100 kWp requires approximately 7,500 to 9,000 square feet of unobstructed, shadow-free roof area, generating approximately 12,000 to 13,500 kWh (units) of electricity every month in Bangladesh.

Can industrial solar operate during grid blackouts?

Standard grid-tied inverters automatically disconnect during outages for safety. However, with DEEPTI's hybrid BESS (Battery Energy Storage) or Zero-Export GenSet Controllers, solar continues powering factory loads smoothly alongside diesel generators.

Request Engineering Assessment / RFP

Provide your facility details and required engineering disciplines. Submit directly to our engineering desk via WhatsApp or standard web RFP.

Direct Telephone Hotline: +880 1705-880322
Engineering Assessmentসরাসরি প্রকৌশল পরিদর্শন ও পরামর্শ

Engineering Direct Advisory & Assessment

Whether planning a new industrial substation, sizing rooftop solar PV and LiFePO4 BESS, or auditing power quality and factory lighting, our engineering team is available for on-site consultation.

• BNBC & IEC 60364 Design• Stamped SLD & BOQ• Turnkey EPC Delivery