![]() The robust nature of the model showed that uncertainties related to electricity production from wind and photovoltaics at the location increased the cost of gas production by ca. The economic analysis showed that the feedstock gate fee contributes significantly to the economic viability of renewable methane: a change in the feedstock gate fee by 100 €/tonne results in a decrease of production costs by ca. 16 GWhel from the grid to produce 36 GWh of renewable methane. 18 MWel of wind and 9 MWel of photovoltaics, while importing an additional ca. It was determined that the integration of power-to-gas in this biogas plant requires the installation of ca. The mathematical model was tested at an existing biogas power plant with the installed capacity of 1 MWel. A robust optimisation was studied, using linear programming with the objective of minimising total costs, while considering the market price of electricity. The aim of this research is to assess the integration of the power-to-gas concept into a food waste-based biogas plant with the goal to produce renewable methane. Designing smart grids solutions requires a gas system modeling fuelled by a comprehensive set of data.Biogas is an instrument of synergy between responsible waste management and renewable energy production in the overall transition to sustainability. ![]() They also help consumers to reduce their gas consumption. Smart meters are key enablers for smart grids. Data is also key for implementing predictive maintenance solutions. For instance the pressure level reflects the balance between consumption and production. Therefore, conventional gas delivered complements the biomethane delivery.Ĭommunicating sensors give frequent data at many points of the grid. Gas “Smart delivery” unit to prioritize biomethane injection over conventional gas deliveryĪdjusting pressure reference at a transmission/distribution interface point allows transmission network operators to finely adapt the volume of conventional gas delivered to the distribution network. consumption is locally and intermittently lower than production). Storage is a good option when the grid is facing congestion (i.e. The objective is now to assess how they operate under real conditions to optimize infrastructure settings.įlexible solutions through biomethane storage features In 2019, in Pontivy and Pouzauges, GRTgaz has designed and settled the first two French reverse flow units. Thus, it enables an increase in local storage capacity for biomethane injection into the distribution system. The reverse flow unit is a facility that allows gas transfer from the distribution system to the transmission system thanks to a gas compression mechanism. The reverse flow unit to export surplus amount of biomethane to neighboring territories These meshing operations allow biomethane production projects to be conducted in those territories since their production is now locally absorbed. In the West Grid Synergy territories, different meshing infrastructures have been implemented: a 43 km gas pipeline has connected a manufacturer to the grid and some connections have allowed formerly independent distribution systems to be merged. This can be done by connecting a major consumer to the grid or by interconnecting consumption areas To make the projects sustainable, production has to meet consumption. Network meshing allows more consumers to benefit from local and renewable gasīiomethane production projects often take place in rural areas.
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