10kW Solar System - Commercial/Residential (2025 Bangladesh Market)

🔧 Complete System Specifications

1. Solar Panels (Tier-1, Bangladesh Optimized)

ModelJA Solar JAM72S30-585/MRQty18 PanelsTypeMonocrystalline (PERC)Efficiency21.3%Dimensions2187×1103×35mmWeight28.7kgWarranty12 Years Product, 30 Years Linear (≥85%)

2. Hybrid Inverter (3-Phase Smart)

ModelDeye SUN-10K-SG04LP3Capacity10kWMPPTDual, 550V MaxEfficiency98%Battery48V Lithium ReadyWi-FiYes

3. Battery Bank (Industrial Grade)

Option 1Pylontech US5000 (4.8kWh)Qty6 Units (28.8kWh)Option 2BYD B-Box HV (7.2kWh)Qty4 Units (28.8kWh)Cycle Life6000 @80% DoDWarranty10 Years

4. Balance of System

• Mounting: Galvanized Steel (200km/h wind rating)

• Cabling: 10mm² PV, 16mm² AC (Copper)

• Protection: DC Isolators, SPD, Fireproof Conduits

⚡ Daily Performance Metrics

ConditionOutputSavings (৳)Backup RuntimeSummer55-65kWh৳2,800-৳3,200/day12-15 HoursWinter35-45kWh৳1,800-৳2,300/day8-10 HoursMonsoon20-30kWh৳1,000-৳1,500/day5-6 Hours

🏭 Load Compatibility

Residential (5-Bed Luxury Villa)

• 8×1.5 Ton Inverter ACs

• 50×LED Lights

• 3×Refrigerators

• 2×Water Pumps

Commercial (Small Factory/Clinic)

• 5×3HP Motors

• 20×Workstation PCs

• 2×Commercial Freezers

• Emergency Medical Equipment

⚠️ Bangladesh-Specific Notes

1. Net Metering

   • Requires 3-phase connection (৳15k-৳25k upgrade cost)

   • Maximum 10kW export limit in most areas

2. Monsoon Preparation

   • Add 20% extra panels (12kW total) for consistent output

   • Battery reserve should cover 2 cloudy days

3. Maintenance

   • Monthly: Panel cleaning (dust reduces output by 20-25%)

   • Quarterly: Battery health check

📈 ROI Calculation

ParameterValueCurrent Monthly Bill৳35,000Post-Solar Bill৳5,000Monthly Savings৳30,000Annual Savings৳3,60,000Payback Period3.8 Years

Note: With 10% annual electricity price hike, ROI improves to 3.2 years

✅ Why This Package?

✔ Deye Inverter - Most reliable for Bangladesh voltage fluctuations
✔ Pylontech/BYD - Best battery options for tropical climate
✔ JA Solar Panels - High dust/low-light performance

📢 Expert Recommendation

"Perfect for:

• Large homes tired of load-shedding

• Small businesses wanting to cut OPEX

• Medical facilities needing 24/7 power

Alternatives:

• 15kW System (For factories)

• 7kW System (Budget option)"

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