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Possibilities of Replacing Conventional with RES: A Study Case of Analysis for Sisak TPP

The 2014-2019 period was the hottest five years in history since the measurement began, and the amount of carbon dioxide released into the atmosphere from 2015 to 2019 was 20 percent higher than the five-year period before that. The fossil fuel consumption alarmingly contributes to global warming, and if it continues to do so, according to recent estimates by the World Meteorological Organization, temperatures will rise by 3 to 5 degrees Celsius by the end of the century, well above 1.5 degrees, a goal set by the UN the Intergovernmental Panel on Climate Change (IPCC). Even in the case of the European Union, which often stands out as the main engine in the fight against climate change, some of the data is extremely devastating. Namely, EU countries increased their fossil fuel subsidies by almost two and a half times between 2010 and 2017. The United States has formally informed the UN that it is withdrawing from the Paris Climate Agreement. As one of the top three polluters in the world (alongside China and the European Union), the agreement remains virtually a dead letter on paper after such a decision. However, there is still a possibility that renewable energy can replace conventional energy sources. The main rationale of this is the growth rate of renewables and the pace of global energy demand. In this regard, solutions should be considered and offered to reduce global warming and CO2 emissions. This paper is a Study case of analysis of decommissioning old conventional electricity sources and the possibilities of replacement with several different Renewable Energy Sources (RES) at one of the power generation sites owned and operated by the Croatian Electric Power Utility Company (HEP).

Decommissioning conventional sources ; integration of renewable energy sources ; Concentrated solar power ; Integrated Solar Combine Cycle power plant ; Solar thermal energy performance

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