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Environmental Cost of Solar Panel Manufacturing

Many people wonder if the manufacturing methods for photovoltaic solar modules along with other PV equipment are unhealthy for the environment or particularly carbon intensive. There has also been lots of negative press that photovoltaic solar panel systems can be toxic for the environment. Perform the making use of your energy generated from solar power panels outweigh the dangerous effects of the manufacturing process?

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According to NREL (the National Renewable Energy Laboratory), the reality is a PV polycrystalline module will produce enough clean power in approximately four years to offset the energy forced to manufacture it. You unfortunately must enjoy a little energy in order to save a lot more. From a module is done and installed, it'll be a zero emissions energy levels throughout its life. On the Thirty year life span, almost 90% of the energy generated from the cell is going to be pollution free.

The most important manufacturing input of PV modules is silicon, one of the most abundant elements in the world. It really is easily gathered in the the surface of the earth's crust which is available worldwide, eliminating the call to transport heavy raw materials. Purifying and crystallizing silicon is regarded as the energy intensive means of manufacturing PV panels. Energy is also expelled when cutting silicon wafers, processing wafers into cells, and assembling cells into panels. The is moving towards recycling PV modules that will save energy in the reuse of silicon cells and metals.

With regards to the toxicity of solar panels, experts happen to be discussing the usage of chemicals from the manufacturing process. As a result, the EPA has cited certain panels as toxic and has imposed regulations on employee safety when handling chemicals and the disposal of toxic materials. This has, therefore, made PV manufacturers more alert to risks with implemented standards to really make the production safer.

A lot of the negative news you learn about solar is produced by incumbent energy producers. They want us to think that our current energy infrastructure will be the only logical answer when it's clearly not. From your first day a PV installation is started up, it'll create clean, green electricity. And, regardless of the system generates will reduce its owner's need to purchase "dirty" electricity. A normal 5 kW solar electric installation in Massachusetts or Connecticut will produce an equivalent of Ten to twelve barrels of oil each year. This could save about 10,000 pounds of greenhouse gas emissions, which would be comparable to planting 20 mature trees annually or driving your automobile 7,000 miles less per year.