The stakeholder engagement plan should include all stakeholders who have been identified as having needs and a potential impact on the project. This includes both supporters and those who may oppose the project, as understanding and addressing the concerns of all stakeholders is crucial for the success of the project. The PMBOK Guide emphasizes the importance of identifying all relevant stakeholders and managing their engagement throughout the project life cycle12. This approach ensures that the project manager has a comprehensive understanding of the stakeholder landscape and can develop strategies to engage with them effectively, which is essential for navigating complex projects such as the construction of a nuclear power plant.
: = The answer is based on the principles outlined in the PMBOK Guide and the standards for stakeholder engagement in project management, which advocate for the inclusion of all identified stakeholders in the engagement plan1234.