长源电力：煤电机组调频调峰供热应用项目正在按计划施工建设中，预计将于2026年上半年投产运营

Group 1 - The company is currently implementing a molten salt energy storage retrofit project for its coal-fired power units, which is progressing as planned [2] - The project is expected to be operational in the first half of 2026 [2]