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Global energy demand is still on an increase during the last decade, with a lot of impact on the climate change due to the intensive use of conventional fossil-based fuels power plants to cover this demand. Most recently, leaders of the globe met in 2015 to come out with the Paris Agreement, stating that the countries will start to take a more responsible and effective behaviour toward the global warming and climate change issues. Many studies have discussed how the future energy system will look like with respecting the countries’ targets and limits of greenhouse gases and their CO2 emissions. However, these studies rarely discussed the industry sector in detail even though it is one of the major role players in the energy sector. Moreover, many studies have simulated and modelled the energy system with huge jumps of intervals in terms of years and environmental goals. In the first part of this study, a model will be developed for the German electrical grid with high spatial and temporal resolutions and different scenarios of it will be analysed meticulously on shorter periods (annual optimization), with different flexibilities and used technologies and degrees of innovations within each scenario. Moreover, the challenge in this research is to adequately map the diverse and different characteristics of the medium-sized industrial sector. In order to be able to take a first step in assessing the relevance of the industrial sector in Germany for climate protection goals, the industrial sector will be mapped in PyPSA-Eur (an open-source model data set of the European energy system at the level of the transmission network) by detailing the demand for different types of industry and assigning flexibilities to the industrial types. Synthetically generated load profiles of various industrial types are available. Flexibilities in the industrial sector are described by the project partner Fraunhofer IPA in the GaIN project and can be used. Using a scenario analysis, the development of the industrial sector and the use of flexibilities are then to be assessed quantitatively.
The effects of climate change, including severe storms, heat waves, and melting glaciers, are highlighted as an urgent concern, emphasising the need to decrease carbon emissions to restrict global warming to 1.5°C. To accomplish this goal, it is vital to substitute fossil fuel-based power plants with renewable energy sources like solar, wind, hydro, and biofuels. Despite some progress being made, the proportion of renewables used in generating electricity is still lower than the levels needed for 2030 and 2050. Decarbonising the power grid is also critical in lowering the energy consumption of buildings, which is responsible for a substantial percentage of worldwide electricity usage. Even though there has been substantial expansion in the worldwide renewable energy market in the past 15 years, the transition to renewable energy sources also requires taking into account the importance of energy trading.
Peer-to-peer (P2P) electricity trading is an emerging type of energy exchange that can revolutionise the energy sector by providing a more decentralised and efficient way of trading energy. This research deals about P2P electricity trading in a carbon-neutral scenario. 'Python for Power System Analysis' (PyPSA) was used to develop models through which the P2P effect was tested. Data for the entire state of Baden-Württemberg (BW) was collected. Three scenarios were taken into consideration while developing models: 2019 (base), 2030 (coal phase-out), and 2040(climate neutral). Alongside this, another model with no P2P trading was developed to make a comparison. In addition, the use case of community storage in a P2P trading network is also presented.
The research concludes that P2P has a significant positive effect on a pathway to achieve climate neutrality. The findings show that the share of renewables in electricity generation is increasing compared to conventional sources in BW, which can be traded to meet the demand. From the storage analysis, it can be concluded that community storage can be effectively utilised in P2P trading. While the emissions are reduced, the operating costs are also reduced when the grid has P2P trading available. By highlighting the benefits of P2P trading, this research contributed to the growing body of research on the effectiveness of P2P trading in an electricity network grid.