Chapter Five - Power-to-gas (P2G) planning in the integrated gas-electricity networks

Abstract

By increasing wind energy penetration in the power grid in response to economic and environmental concerns, wind energy curtailment in the power grid has grown, resulting in revenue loss. As a consequence, power-to-gas (P2G) technology has developed as a means of harnessing the energy curtailed from wind by electrolyzing water to hydrogen or further processing to generate methane. Additionally, with the replacement of fossil fuel power plants, the percentage of gas-fired power plants in electricity grids has grown due to the technical, economic, and environmental advantages. Given the significant penetration of wind energy and the interdependence between electricity and gas networks, this chapter presents a model for calculating the optimal size and placement of a P2G technology in a connected electricity-gas network with a high wind energy penetration. In addition, the impact of environmental concerns on the optimal size of P2G technology is examined.