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Residential Apartment Complex

OVERVIEW

Apartment complexes consume a significant amount of electricity for common facilities such as lifts, corridor lighting, water pumps, security systems, and parking area lighting. Rising electricity tariffs increase maintenance costs for residents.

To reduce electricity expenses and adopt a sustainable energy solution, the apartment association partnered with 4M Solar Solutions to install a rooftop solar power system for common area usage.

SYSTEM DETAILS

  • System Capacity: 50 kW Rooftop Solar Plant
  • Number of Solar Panels: Approximately 125 high-efficiency solar panels
  • Annual Energy Generation: Around 75,000 units (kWh)
  • Usage Coverage: Nearly 70–80% of the apartment’s common area electricity demand
  • System Lifespan: 25 years

CONCLUSION

With the installation of a 50 kW rooftop solar system, 4M Solar Solutions helped the apartment community significantly reduce electricity costs while adopting clean and renewable energy. The project demonstrates how solar power can benefit residential complexes with long-term savings and environmental sustainability.

Electricity Cost Savings
  • Average Residential Electricity Tariff: ₹7 per unit
  • Annual Electricity Savings: 75,000 units × ₹7 = ₹5,25,000 per year
  • Annual Maintenance Cost: ₹25,000
  • Net Annual Savings: ₹5,00,000
ROI & Payback
  • Annual Net Savings: ₹5 Lakhs
  • Estimated Payback Period: 6 Years
  • Total Savings Over 20 Years: ₹1 Crore+
Environmental Impact
  • Annual CO₂ Emission Reduction: ~60 tons
  • Environmental Equivalent: Similar to planting around 2,500 trees every year
Key Advantages for the Apartment
  • Lower electricity costs for common facilities
  • Reduced maintenance charges for residents
  • Sustainable and eco-friendly power generation
  • Increased property value and green certification potential
  • Reliable daytime electricity for lifts and pumps
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