Photovoltaic Energy Overview: Systems, Advantages, and Technologies
Explore the workings of photovoltaic (PV) energy systems, their advantages and drawbacks, developed and emerging technologies, efficiency progress, energy payback time, and market tendencies. Discover how PV energy works, different PV system types, advantages such as direct energy conversion and low maintenance, drawbacks like variable production and low efficiency, and technologies like crystalline silicon and emerging third-generation options like perovskite. Dive into the global market for PV installations and renewable energy growth rates.
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Presentation Transcript
Photovoltaic (PV) Energy A General Overview MSc David Mart nez Biro 1
Content How does PV energy work? PV Systems Advantages and Drawbacks Developed and Emerging Technologies Efficiency Progress Energy Pay Back Time Market Tendencies 2
How does it work? Photovoltaic Effect (1) 3
Advantages Available almost anywhere Electric energy direct conversion Low (almost negligible) maintenance No mechanical moving parts Silent (+ in urban areas) Coincides with cooling needs Government financial incentives (3) Easy rooftop/ground installation Predictable production 5
Drawbacks Variable production (day/night and seasonal) Less reliable PV systems require DC to AC inverters Large area Low efficiency compared to other energy production systems 6
Developed Technologies Second generation First generation: Thin Film ~ 10% market share Crystalline Silicon ~ 90% market share 7 (4)
Emerging Technologies (Third Generation) Dye-Sensitized Quantum dots Perovskite Organic (5) 8
Efficiencies Progress (6) 9
Energy Payback Time (7) PV systems have a 25 years lifespan 10
Market Tendencies PV module production by region (8) 11
Annual Growth Rates of Renewable Energy Capacity 13 (9)
Jobs in Renewables (9) 15
References 1. http://energyeducation.ca/encyclopedia/Photovoltaic_effect 2. http://www.hinren.com/solar-energy-solutions/solar-pv-solutions/grid- interactive-srtpv-system/ 3. http://www.crses.sun.ac.za/technologies-solar 4. http://www.borgenergy.com/monocrystalline-solar-panel/ 6. Solar Cell Efficiency Progress, 2016 7. https://www.researchgate.net/figure/275364910_fig9_Fig-9-Energy-payback-time- for-seven-PV-modules-P-1-represents-the-TiO-2-perovskite 8. PSG AG, 2016 9. http://www.ren21.net/wp-content/uploads/2016/06/GSR_2016_Full_Report.pdf 10. GTM Research, SEIA, 2016 17
