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In-Depth Analysis of Energy and Economic Value in LED Lighting Upgrades
Arlen Conan
Written By: Arlen Conan Last Update: February 28, 2025

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In-Depth Analysis of Energy and Economic Value in LED Lighting Upgrades

28 Feb 2025 0 Comments

 

I. Breakthroughs in Core LED Technology

1. Semiconductor Luminescence Mechanism

  • PN junction electron transition luminescence principle
  • Wavelength control technology (380-780nm spectrum)
  • Quantum dot enhancement (100% NTSC color gamut)

II. Full Lifecycle Cost Model

Parameter 60W Incandescent 15W CFL 9W LED
Unit Price (USD) $0.69 $3.45 $6.21
10-Year Total Cost* $197.52 $90.07 $38.90

*Electricity rate: $0.083/kWh

III. Energy Efficiency Metrics

Photoelectric Efficiency

  • Incandescent: 5-10 lm/W
  • LED: 100-220 lm/W

IV. Sustainability Metrics

Technology CO₂/10k lm-h
LED 23kg
Incandescent 360kg

Case Study: Shanghai Tower Retrofit

35,000 LED fixtures saving 9.8M kWh annually ($813k savings)

ROI Period: 2.3 years

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