Distributed energy is a new type of power generation system built-in or near the user's locality. It can generate electrical energy and other forms of energy, and preferentially meet the needs of local users, and is managed by users. According to the above definition, Which of the following options are distributed energy. ['Gezhouba Hydropower Project meets the power needs of nearby provinces and cities.', 'Electricity produced by a nuclear power plant is integrated into the national grid.', 'A farmer uses biogas from his septic tank for lighting.', 'A township in the western region builds a wind power station for power generation.']