Renewable energy communities involve various agents who decide to jointly invest in renewable production units and storage. This paper examines how these communities interact with the energy system and can decrease its overall cost. First, we show that a renewable energy community can contribute...

In this paper, we analyze the strategic function of gas storage focusing on how gas storage decisions impact competition between gas companies on both spot and downstream markets. Using a two-tier oligopolistic structure, we first show that gas storage is actually used strategically even in a...