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Washington — The Federal Energy Regulatory Commission plans an environmental assessment for two pipeline expansions in Pennsylvania that combined would move natural gas from the Marcellus and Utica shales to markets in the Northeast and Mid-Atlantic.

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The decision to opt for an EA can mean a somewhat shorter review at FERC, in comparison to a full environmental impact statement.

The projects include Transcontinental Gas Pipe Line's Leidy South Project and National Fuel Gas Supply's FM100 project.

Leidy South effectively expands the path of Transco's 1.7 Bcf/d Atlantic Sunrise project, moving gas from production areas in Pennsylvania along the Central Penn Line to an interconnection with Transco's mainline near the Pennsylvania-Maryland border and potentially easing prices at Atlantic Seaboard demand markets like Transco Zone 5 and Zone 6. The expansion (PF19-1) would add about 580 MMcf/d of firm capacity, which has been reserved by producers Cabot Oil & Gas and Seneca Resources. The shippers are also large stakeholders in Atlantic Sunrise.

The project involves installation and replacement of several short pipeline segments, two new compressor stations, upgrades of two compressor stations and other facilities. Transco has targeted in-service in time for winter heating in December 2021.


The related FM100 (PF17-10) project would add 330,000 Dt/d, fully subscribed to Transco under a proposed capacity lease to supply gas from Marcellus and Utica shale to the Leidy South project. FM100 entails 29.5 miles of 20-inch diameter pipeline, along with smaller segments and two new compressors. It would also abandon about 50 miles of pipeline and a compressor station, among other steps.

In other actions advancing natural gas projects:

**Venture Global got FERC's go-ahead Wednesday to begin limited site preparation at its Calcasieu Pass LNG project, which recently won FERC certificate approval as well as a signoff from the Department of Energy for exports to countries that lack free trade agreements with the US.

**Transco won FERC's authorization to run compression associated with the Atlantic Sunrise pipeline above previously certificated levels (CP15-138).

**FERC issued a positive environmental assessment for Gulf South Pipeline's Willlis natural gas lateral project (CP18-525) in Texas, intended to provide nearly 200,000 Dt/d to Energy Texas' Montgomery County Power Station. The staff EA found that with mitigation measures, the project would not constitute a major action significantly affecting the environment.

**FERC said it plans an EA for the Lockridge Extension Pipeline project (CP19-52) proposed by Natural Gas Pipeline of America in Texas to provide 500 MMcf/d of firm service southbound to a new bidirectional Interconnect with Trans-Pecos Pipeline at Waha Hub.

-- Maya Weber,

-- Eric Brooks,

-- Edited by Richard Rubin,