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- Title
Comparative analysis between traditional and emerging technologies: economic and viability evaluation in a real case scenario.
- Authors
Pinho Correia Valério Bernardo, Catarina; Marques Lameirinhas, Ricardo A.; Neto Torres, João Paulo; Baptista, António
- Abstract
This research work aims to study photovoltaic systems that generate energy for self-consumption using different traditional technologies, such as silicon, and emerging technologies, like nanowires and quantum. The photovoltaic system without batteries was implemented in a residential property in three different places, in Portugal. According to Portuguese Law, the sale of surplus energy to the grid is possible but the respective value for its selling is not defined. To evaluate the project viability, two different analyses are considered: with and without the sale of surplus energy to the grid. Results show that if there is no sale of excess energy produced to the grid, the project is not economically viable considering the four different technologies. Otherwise, using traditional technologies, the project is economically viable, presenting a payback time lower than 10 years. This shows that the introduction of nanostructures in solar cells is not yet a good solution in the application of solar systems namely with the current law. Furthermore, independently of the used technology, the current Portuguese law seems to difficult the investment return, which should not be the way to encourage the use of renewable sources.
- Subjects
PORTUGAL; TECHNOLOGICAL innovations; PHOTOVOLTAIC power systems; SOLAR cells; NANOWIRE devices; COMPARATIVE studies; RESIDENTIAL real estate
- Publication
Materials for Renewable & Sustainable Energy, 2023, Vol 12, Issue 1, p1
- ISSN
2194-1459
- Publication type
Article
- DOI
10.1007/s40243-022-00223-2