Uloga investicijskih energetskih zadruga u solarizaciji primorskih gradova Republike Hrvatske

undergraduate thesis

• Title (english): Role of the Investment Energy Cooperatives in the Solarisation of the Croatian Maritime Cities
• Author: Luka Simić
• Mentor: Goran Krajačić (mentor)
• Committee member: Vladimir Soldo (predsjednik povjerenstva)
• Granter: University of Zagreb; Faculty of Mechanical Engineering and Naval Architecture; Zagreb
• Defense date and country: 2022-09-29, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Mechanical Engineering; Process Energy Engineering

Abstract

Ovaj rad predstavlja analizu moguće solarizacija grada Zadra. Proveden je matematički proračun investiranja u solarne elektrane, ispitana je njihova isplativost i izveden je model trgovanja električnom energijom. U okviru ovog rada je veliki značaj pridodan investicijskim energetskim zadruga, njihovom osnivanju i pogodnostima koje njihovo članstvo donosi.
U uvodnom dijelu analiziran je trend iskorištavanja obnovljivih izvora energije te je dan pregled zakonodavnog paketa Europske komisije „Fit for 55“ i novog paketa mjera „REPowerEU“ koji je nastupio zbog novih geopolitičkih odnosa na istoku Europe. Nakon uvodnog dijela, definirane su energetske zadruge te su izneseni poslovni modeli energetskih zadruga.
U drugom dijelu rada iznesene su pretpostavke i podaci korišteni u matematičkom proračunu. Objašnjene su formule za računanje isplativosti projekta i način trgovanja električnom energijom. Proračun je proveden za tri različite karakteristične skupine potrošača: kućanstvo, poduzetništvo i javnu rasvjetu.
Na kraju su predstavljeni rezultati proračuna popraćeni odgovarajućim dijagramima. Pokazano je da se isplati investirati u izgradnju solarne elektrane za sve tri skupine potrošača te su predstavljeni novčani tokovi kao ušteda zbog smanjenog korištenja električne energije iz mreže i kao zarada zbog prodaje viškova proizvedene električne energije u mrežu. Usporedno je proveden isti proračun s pretpostavkom članstva u investicijskoj energetskoj zadruzi te je pokazano da članstvo donosi veće profite i veću isplativost projekta, odnosno kraće vrijeme povrata investicije.

Abstract (english)

This paper represents an analysis of possible solarization of the city of Zadar. The mathematical calculation of investments in solar power plants was carried out, their cost-effectiveness was examined, and the electricity trading model was created. Within this work, great importance is added to investment energy cooperatives, to their establishment and to the benefits that their membership brings.
In the introduction the trend of exploitation of renewable energy sources is analyzed and an overview of the European Commission's legislative package "Fit for 55" is given. There is also an overview of the new package of measures "REPowerEU" which came due to new geopolitical relations in eastern Europe. After the introductory part, energy cooperatives were defined and business models of energy cooperatives were presented.
In the second part of this paper, assumptions and data used in the mathematical calculation were presented. Formulas for calculating the cost-effectiveness of the project and how electricity is traded are explained. Mathematical calculation was carried out for three different characteristic groups of consumers: household, entrepreneurship and public lighting.
Finally, the results are presented, accompanied by appropriate diagrams. It has been shown that it is worth investing in the construction of a solar power plant for all three groups of consumers. Cash flows have been presented as savings, due to the reduced use of electricity from the grid, and as profits, due to the sale of surplus electricity generated into the grid.
At the same time, the same mathematical calculation was carried out with the assumption of membership in the investment energy cooperative. It has shown that membership brings greater profits and greater cost-effectiveness of the project, that is, a shorter time of return on investment.

• Keywords: obnovljivi izvori energije; fotonaponski sustavi; grad Zadar; energetske zadruge
• Keywords (english): renewable energy sources; photovoltaic systems; city of Zadar; energy cooperatives
• Language: croatian
• URN:NBN: urn:nbn:hr:235:890689
• Study programme: Title: Mechanical Engineering; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka strojarstva (sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka strojarstva)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2022-09-27 11:41:27