About the Goal of LED lights


The goal is to estimate the impact of an arbitrary scenario: If we switched the entire world to today’s efficient Led Lights Sydney, would that make a difference? Do we have an idea?

What is the challenge ahead? What does it take to produce an LED fixture? What should we do with everything that is replaced? Do it and finally see the impact by comparing it with the regular increase of the LED population that is currently going on.


Note that there is a large quantity of public data available for the US, so the “model world” here is a world in which all volumes, consumptions and costs are the same ratio of the GDP contribution of the USA (25.89 % source [4]). The world is roughly four times larger than the USA data. In all cases the data was double-checked with EU and China data (where available).
LED Fixture Production
Given our world statistics of the installed fixture base of 30B fixtures, the question here is: if we were to replace them all, what would be the impact?

NEMA in 2013 published a report in which the carbon footprint of several fixtures was analyzed [10]. An interesting finding of this study was that the carbon impact comes mainly from four components: Ballast (driver), Heatsink (Al), potting materials in the lamp base, and Led Lights Sydney  themselves.

The semiconductor and electronics industries use a large amount of energy and water, and as the NEMA report shows, the overall carbon footprint and energy cost of manufacturing an Led Lights Sydney product is approximately twice the conventional counterpart.

Derived from 30B fixtures into the relative energy cost, and now having to spend quite a bit of energy to produce the 86% missing “Led Lights Sydney” fixtures.

How much energy does it take to produce an Led Lights Sydney  fixture? - Unfortunately no exact data is available. Therefore a theoretical calculation based on some assumptions and published data from laptop computers was made, but fixture producers are welcomed to enlighten us with more accurate numbers.

An Led Lights Sydney  fixture in general does not have a battery or a screen, etc., and the electronics is simpler, but there is more and more PCB material involved for sensors, intelligence, communication and new features.

In the research paper “Economic-balance hybrid LCA extended with uncertainty analysis: case study of a laptop computer” [11], the authors found “Results show that manufacturing the computer requires 3010-4340 MJ of primary energy.” While Led Lights Sydney  fixtures have in general no screen, no battery, quite simpler electronics, the assumption was that it takes 1/10 of this energy consumption to produce a luminaire. In addition, the lower value from the cited research for energy consumption was used for the calculation, resulting in 300 MJ of energy.

To put things in relation, this 300 MJ equals 83 KWh or the equivalent of $10 of electricity in the US. To replacing all the fixtures, 172 GW of energy are necessary; that’s a lot for one year!
Energy Savings

The latest generation of fixtures in 2017 easily exceeds 100 lm/W for the complete range of applications; and efficiency is still increasing. It is worth it to mention that this is a very careful estimate. Figure 3 is a comparison of the two scenarios “change everything now,” and the scenario “just keep going as it is” with the assumption of changing +10% a year, leading to a complete change in 2025 for the latter.

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