By The Star Staff The Puerto Rico Energy Bureau (PREB) has sharply criticized grid operator LUMA Energy and the Puerto Rico Electric Power Authority (PREPA) for failing to advance renewable energy and storage projects, warning that continued delays threaten grid reliability and the ability to secure federal funding. The PREB ordered PREPA in a resolution this week to submit a detailed update by Jan. 15, 2026 on all of its efforts to move projects forward. The filing must include the status of...