# Efficient Management of Power Losses from Renewable Sources Using Removable E.V. Batteries
## 5 Discussion  
With the 2015 Paris Agreement, states worldwide have set a series of targets to reduce greenhouse gas emissions to combat climate change across the globe [59]. The most crucial strategy for building a low-carbon economy is increasing renewable energy sources, gradually giving up fossil fuel-based sources. Depending on geographical characteristics, some countries have invested in the development of hydro, geothermal, or biomass-based energy sources. However, wind and solar photovoltaic energy, which occupies an increasingly important place in the total energy produced, has been chosen in countries that do not have such possibilities. Because of the European Union's ambitious objective of increasing gross electricity consumption from renewable sources to at least 80% of total electricity produced by 2050 [54] and evolving from a 15.7% share in 2004 to 34.1% in 2019, a massive expansion of wind and solar energy use is needed.  
Increasing the share of renewable energy sources in total energy produced is crucial to minimize climate change. However, given the limited electricity storage capacity and the expanding storage requirements, the further expansion of wind and solar energy sources, characterized by temporal variability, is limited [8; 9]. This is why solutions are needed to store renewable energy produced at times when there is insufficient demand. As we have shown in our research by comparing trends obtained by predictive models, one of the most viable solutions is the use of removable batteries for electric vehicles, keeping eyes on the objectives of the European Union about electric vehicles [1].  
Following the running of predictive models on data on energy production, the share of renewable energy in total energy, renewable energy losses, and the European Union's stock of vehicles, we have concluded that the storage of electricity in removable batteries is one of the solutions for the transition to renewable energy predominant in the total energy produced.  
The electricity generated by wind and solar power plants is characterized by temporal and spatial variability, depending on exogenous weather conditions [8; 9; 60; 61]. This is a significant disadvantage compared to conventional plants (using coal or natural gas) to produce electricity at a reasonable price whenever needed. Production plants can be  
Figure 5: Comparative vehicle stock trends and the number of vehicles powered by stored potential renewable energy. Source: developed on data obtained using SPSS v.20.  
switched off and switched on whenever energy is required in the market. Maintaining the stability of the supply system under the conditions of an already undersized network concerning demand requires a total correlation of supply with electricity demand. The temporal incongruity of supply and demand, generated by the variability of solar and wind energy sources, raises two fundamental complementary questions: what do we do with excess renewable energy at times when there is too much supply and how we will cover demand at times when renewable energy supply is low [7; 8; 9]. The easiest solution is to store electricity, and removable batteries on electric vehicles answer both questions. The storage of electricity in removable batteries on electric vehicles allows electricity transmission both in space and time. It can be a successful business model that serves two objectives: a cleaner environment using green energy for vehicle propulsion and efficient management of potential losses from renewable energy variability.