Lower 48 midstream giant Tallgrass on Wednesday stepped up to sell 500-plus acres in Louisiana to help restore the eroding coastline and protect communities from hurricane damage.

The company, which has natural gas and oil pipeline assets across the country, agreed to sell the acreage in Plaquemines Parish for $36 million to the Louisiana Coastal Protection and Restoration Authority (CPRA). 

The land had been earmarked for a proposed $2.5 billion oil export terminal and pipeline project by Tallgrass. However, the proposal faced opposition from groups that argued the facility would be built atop a historic burial site of enslaved people, as well as impact ecological restoration efforts. Tallgrass canceled the project last year.

Tallgrass’ Matt Kegg, director of Terminals,...