Abstract
It is remarkable as renewable energy sources’ (RES) share in the power balance grew constantly during the past decade, following specific trends for different regions. Consequently, the contribution of polluting energy sources (such as coal, gas and oil) progressively diminished over time. In order to make environmental restrictions for the classical power plants still in operation, proper depolluting equipment are required. This chapter focuses mainly on the Romanian power system (in comparison with other European countries), as one with high RES contribution and fast ascending trend of RES-based generation capacities. First, the impact of modifying the power generation spectrum (starting with 2014) is evaluated. It is noticeable that the shares corresponding to hydro-energy and nuclear energy show an almost constant trend. Second, the correlation between the national amount of CO2 emissions and the events which have determined a decline in the RES share in the energy production is investigated. To highlight the different evolution at a national level, a comparison to other representative European countries (Germany—having a distribution by sources similar to Romania, France—relying mainly on nuclear energy and Czech Republic—showing a decreasing renewable energy employment trend) is presented. To underline the correlation between renewable energy employment and climate evolution, the fluctuations triggered in the annual use of hydro or wind sources are cross-referenced with meteorological data. A temperature increase between 4 and 22% is noticed in all the countries taken into account, while the precipitation level doesn’t follow a monotonic trend.
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Ciupageanu, DA., Lazaroiu, G., Mihaescu, L. (2021). Structure of the Energy Produced from Renewable Sources. In: Lazaroiu, G., Mihaescu, L. (eds) Innovative Renewable Waste Conversion Technologies . Springer, Cham. https://doi.org/10.1007/978-3-030-81431-1_1
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