Williams Places Phase II of Hillabee Expansion in Service

HOUSTON (P&GJ) — Williams said it has placed Phase II of the Hillabee expansion project in service, adding natural gas capacity to the Transco system and direct access to Florida’s rapidly growing power generation market.

This incremental expansion of Williams’ existing Transco pipeline provides firm capacity to Sabal Trail Transmission via a capacity lease arrangement. 

The Hillabee Expansion includes construction of eight new pipe sections (loops) and a new compressor facility in Choctaw County, Ala., as well as making modifications to other existing compressor stations and valve sites. The pipeline loops vary in length and parallel the existing Transco pipeline, adjacent to the existing utility corridor.

Phase I of the Hillabee expansion project was placed in service in July 2017. Phase II of the project included the construction of approximately 11 miles of pipeline looping, a new compressor at Station 95, and modifications to a compressor at Station 100.

The Phase II expansion increases Transco system capacity by 206,660 dekatherms of natural gas per day. Together, Phases I and II increased the capacity of Transco’s system by more than 1,025,000 dekatherms of natural gas per day

By maximizing the use of the existing Transco transmission corridor and expanding existing facilities, the Hillabee expansion enabled a substantial reduction in required facilities and land use – minimizing community and environmental impact and allowing Florida power generation customers to efficiently access natural gas supplies on the Transco system, Williams said.

“Our entire team continues to execute on our portfolio of transmission growth projects, and now more than ever the essential infrastructure projects we have in development and under construction are critical to the United States’ clean energy economy,” said Micheal Dunn, Chief Operating Officer for Williams.

The Hillabee expansion increases Transco pipeline’s system-design capacity to a total 17.6 million dekatherms of natural gas per day.

The 10,000-mile pipeline system is a major provider of natural gas services that reach U.S. markets in 12 Southeastern and Atlantic Seaboard states, including major metropolitan areas in New York, New Jersey and Pennsylvania.

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