Millennium Pipeline Company is requesting approval for the pre-filing review of its Eastern System Upgrade project, which involves adding new compressor units and a pipeline to enhance natural gas transport capacity. The project aims to increase the transport volume by 200,000 dekatherms per day, addressing customer demands and ensuring reliable deliveries. Millennium plans to submit a certificate application in July 2016 and seeks to have the project operational by September 1, 2018, while engaging stakeholders throughout the pre-filing process.