Solar Power by CBECL: Bangladesh Industrial Solar & Future Energy Calculator

SREDA Net-Metering Aligned

Bangladesh Industrial Solar & Future Power Calculator

Simulate rooftop solar power savings, ROI, grid inflation protection, and carbon offset tailored for Bangladeshi industries.

National Target 40% Clean Energy by 2041

Facility Parameters

Industry Type Textile & Ready-Made Garments (RMG) Pharmaceuticals & Fine Chemicals Steel, Cement & Heavy Engineering FMCG & Food Processing Commercial Buildings & Warehouses

High roof area to load ratio, ideal for maximum solar coverage.

Monthly Usage (kWh) 120,000 kWh

10k kWh 500k kWh 1M kWh

Current Grid Tariff (BDT/kWh) ৳ 10.85

৳8.00 ৳10.85 (Avg Industrial) ৳18.00

Available Shade-Free Roof 50,000 sq ft

Approx. 100 sq ft is needed per 1 kWp of solar capacity.

Timeline 5 Years 10 Years 15 Years 20 Years 25 Years

Annual Grid Tariff Hike 3% p.a. 5% p.a. 7% p.a. (Avg BD) 10% p.a.

Bangladesh Net-Metering Rules (SREDA)

• Maximum allowable solar capacity: Up to 70% of sanctioned transformer load.
• Surplus electricity exported to the national grid is credited against imported grid energy at the end of billing cycles.
• Import duty incentives & zero tariff on primary solar components apply.

Rec. System Size

500 kWp

Roof limited

ROI / Payback

4.2 Years

Capex ~৳3.25 Cr

Net Savings

৳ 14.8 Cr

Over 20 Years

Cost Offset

42%

Of monthly bill

Estimated Monthly Energy Spend (Year 1 vs Future Year 20)

100% Grid Dependent (No Solar)

Year 1: ৳13.0 Lac Yr 20: ৳50.3 Lac/mo

With Solar System Installed

Year 1: ৳7.5 Lac Yr 20: ৳29.1 Lac/mo

Cumulative Expenditure Projection

In BDT Crore

Facility Energy Mix

Solar Generation: 50,000 kWh/mo

Environmental Impact Offset

Annual Sustainability Metrics

Replacing grid energy with clean rooftop solar power directly supports ESG goals.

360

Tons CO₂ / year

16,360

Trees equivalent

Calculations use average global solar irradiation data for Bangladesh (~4.2 - 4.5 peak sun hours/day) and standard SREDA rooftop estimates (1 kWp ≈ 100 sq.ft, 1 kWp ≈ 120 kWh/mo). Figures are estimations for feasibility screening.