What is the biggest challenge to the use of solar energy and how long does it take for solar panels to biodegrade?
Various challenges exist with various posibal solutions...
https://ieeexplore.ieee.org/abstract/document/10083133
The biggest challenge/s in use of solar energy are two fold
1. Grid integration security and regulation problems for utility scale plants
2. Levelized unit price bidders and it's dependence on cost competitiveness compared to other renewable energy/fossil fuel / hybrid energy sources.
Besides, these there can be several others such as proven technology statistics in conversion efficiency of solar power systems.
With advent of biodegradable plastics and composites, the use of biodegradable solar panels is gradually becoming a reality, though no reliable source of information may be available to date regarding the time duration it takes to decay completely as modern solar power technologies are relatively new , less than 40 years old.
The more electricity you want to produce, the more solar panels you will need, as you want to collect as much sunlight as possible. Solar PV panels require a lot of space and some roofs are not big enough to fit the number of solar panels that you would like to have. One of the biggest problems that solar energy technology poses is that energy is only generated while the sun is shining. That means nighttime and overcast days can interrupt the supply. Some of these challenges include: Lack of R&D, modern development facilities, and manufacturing infrastructure impact the development of solar panels, equipment, and inverters to meet complete demand. Solar power is pollution-free and causes no greenhouse gases to be emitted after installation. Reduced dependence on foreign oil and fossil fuels. Renewable clean power that is available every day of the year, even cloudy days produce some power.The main issue with the various solar cells is efficiency and cost. The crystallization process in the case of a monocrystalline cell is very expensive. The polycrystalline silicon cells have a similar crystallization process; however, they have structural issues.Most solar panels last 25+ years with an average annual degradation rate of . 50%. Solar panels do not “go bad” and very rarely are they faulty or break. Solar inverters and solar batteries will need replacing within the 25+ year solar panel lifespan. Solar panels are composed of photovoltaic (PV) cells that convert sunlight to electricity. When these panels enter landfills, valuable resources go to waste. And because solar panels contain toxic materials like lead that can leach out as they break down, land filling also creates new environmental hazards. Solar panel efficiency is higher than ever, but the amount of electricity that panels can generate still declines gradually over time. High-quality solar panels degrade at a rate of around 0.5% every year, generating around 12-15% less power at the end of their 25-30 lifespan. Solar experts report that panels can continue to work for many decades, provided you take care of them and they aren't physically damaged. There are very few moving parts in a solar system, which means there are very few mechanical parts that could break.
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