Identification and Analysis of Impact Factors on the Economic Feasibility of Photovoltaic Energy Investments

Azevêdo, Rômulo de Oliveira; Rotela, Paulo; Rocha, Luiz Célio Souza; Chicco, Gianfranco; Áquila, Giancarlo; Peruchi, Rogério Santana

doi:10.3390/su12177173

Cited by 29 publications

(9 citation statements)

References 232 publications

(308 reference statements)

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“…Solar photovoltaic (SPV) cells stand up as a critical player in the global renewable energy sector. SPV cell technology is a promising, clean, and sustainable energy source developed rapidly in recent years [ 110 , 111 ]. However, its efficiency loss may range as high as 25–30%, and a lifetime can be compromised.…”

Section: Glass In Smart Materials and Opto-electronic Devicesmentioning

confidence: 99%

What Is Driving the Growth of Inorganic Glass in Smart Materials and Opto-Electronic Devices?

et al. 2021

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Inorganic glass is a transparent functional material and one of the few materials that keeps leading innovation. In the last decades, inorganic glass was integrated into opto-electronic devices such as optical fibers, semiconductors, solar cells, transparent photovoltaic devices, or photonic crystals and in smart materials applications such as environmental, pharmaceutical, and medical sensors, reinforcing its influence as an essential material and providing potential growth opportunities for the market. Moreover, inorganic glass is the only material that is 100% recyclable and can incorporate other industrial offscourings and/or residues to be used as raw materials. Over time, inorganic glass experienced an extensive range of fabrication techniques, from traditional melting-quenching (with an immense diversity of protocols) to chemical vapor deposition (CVD), physical vapor deposition (PVD), and wet chemistry routes as sol-gel and solvothermal processes. Additive manufacturing (AM) was recently added to the list. Bulks (3D), thin/thick films (2D), flexible glass (2D), powders (2D), fibers (1D), and nanoparticles (NPs) (0D) are examples of possible inorganic glass architectures able to integrate smart materials and opto-electronic devices, leading to added-value products in a wide range of markets. In this review, selected examples of inorganic glasses in areas such as: (i) magnetic glass materials, (ii) solar cells and transparent photovoltaic devices, (iii) photonic crystal, and (iv) smart materials are presented and discussed.

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Section: Glass In Smart Materials and Opto-electronic Devicesmentioning

confidence: 99%

What Is Driving the Growth of Inorganic Glass in Smart Materials and Opto-Electronic Devices?

et al. 2021

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“…In this study, a 250 W nominal power unit was used, with a 15.85% efficiency rating and 1.6 m 2 of area. The useful life span of the product is 30 years, with a 0.7% efficiency loss per year, as suggested by the manufacturer [24].…”

Section: Main Input Variablesmentioning

confidence: 99%

“…Equipment maintenance should be carried out every 5 years for cleaning the panels, and every 15 years for changing the stabilizers (SPD) [24]. In this study, we set the maintenance and operational costs at 1% of the initial investment [27].…”

Section: Initial Investment and Costsmentioning

confidence: 99%

Economic Feasibility of Photovoltaic Micro-Installations Connected to the Brazilian Distribution Grid in Light of Proposed Changes to Regulations

et al. 2021

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Brazil is currently undergoing changes to regulations on distributed generation (DG), specifically for solar energy micro-generation. The changes proposed by the Brazilian Regulatory Agency suggest that only the cost of energy be compensated to investors. The service costs and other charges related to energy tariffs must be divided among consumers. Investors with existing installations and class entities have contested these proposals, calling them “sun-fees”. To date, no scientific papers have been published discussing these changes. The new regulations propose an end to cross subsidies, where all consumers (even those who do not have DG) pay for the transmission and distribution systems. This study compares the economic feasibility of micro-generation before and after implementing the new standards proposed by the regulatory agency. We used data on average electrical energy demand, energy price, and solar radiation in different regions. The national averages were used as a base comparison with other scenarios. The results show that projects are viable for all analyzed scenarios, however, after implementing the proposed changes, the discounted payback time is extended. This, however, does not make projects unfeasible.

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“…Nevertheless, different factors, e.g., economic, political or technical, appear to impact the RES integration at distribution networks [4], [5]. For this reason, various support mechanisms or combinations of existing policies, e.g., tax deduction or subsidies, have been proposed to encourage end-users to act as prosumers by installing RES, and especially photovoltaics (PVs) [6] - [14].…”

Section: Introductionmentioning

confidence: 99%

“…Τhe main motivation of this paper is to present a technoeconomic assessment methodology to evaluate the viability of NEM policy in MV prosumers and investigate the effect of various important parameters. The economic viability of the NEM policy regarding low-voltage (LV) residential prosumers has been well investigated in several studies [4], [7], [8], [10], [27] - [31]. However, according to the authors' knowledge there are very few relevant works regarding MV prosumers [32].…”

Section: Introductionmentioning

confidence: 99%

Methodology for the Techno-Economic Assessment of Medium-Voltage Photovoltaic Prosumers Under Net-Metering Policy

2021

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Net-metering has been introduced as an alternative to the feed-in tariff scheme to encourage consumers to act as prosumers by installing photovoltaics. Originally, net-metering referred mainly to household photovoltaic systems, however, larger prosumers connected to medium-voltage networks are also considered. Scope of this paper is to present a techno-economic assessment methodology to evaluate the viability of net-metering policy in medium-voltage prosumers. Unlike most relevant methods, the proposed methodology combines techno-economic analysis with a quasi-static simulation model incorporating the real-world operational properties of the distribution network, where the medium-voltage prosumers are connected. The analysis focuses on nine university campuses operating under net-metering policy. The impact of several important parameters on the viability of the investment as well as on the optimal size of the system is investigated; among them special emphasis is given on the applicability of the decentralized voltage regulation techniques applied to the prosumer's photovoltaic system.

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Identification and Analysis of Impact Factors on the Economic Feasibility of Photovoltaic Energy Investments

Cited by 29 publications

References 232 publications

What Is Driving the Growth of Inorganic Glass in Smart Materials and Opto-Electronic Devices?

What Is Driving the Growth of Inorganic Glass in Smart Materials and Opto-Electronic Devices?

Economic Feasibility of Photovoltaic Micro-Installations Connected to the Brazilian Distribution Grid in Light of Proposed Changes to Regulations

Methodology for the Techno-Economic Assessment of Medium-Voltage Photovoltaic Prosumers Under Net-Metering Policy

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