PJM works out interconnect for new Sewaren Unit 7 of PSEG Fossil

PJM Interconnection on Sept. 7 filed with the Federal Energy Regulatory Commission an executed Interconnection Service Agreement with PSEG Fossil LLC as the project developer, and Public Service Electric & Gas (PSE&G), as the interconnecting transmission owner, for the Sewaren Unit 7 gas-fired project.

Both PSEG Fossil, which is an unregulated power generator, and regulated utility PSE&G are subsidiaries of Public Service Enterprise Group (NYSE: PEG).

Thiis project is under PJM Queue #Z2-089 and #AA2-099. The ISA facilitates the interconnection to the PJM system of the Sewaren 7 facility, a combined cycle project located at an existing plant site in Sewaren, New Jersey, with a Maximum Facility Output of 568 MW. The ISA provides that: PSEG Fossil will have Capacity Interconnection Rights at the Point(s) of Interconnection specified in the ISA in the amount of 541 MW commencing June 1, 2018; and that during the time period from the ISA’s effective date (Aug. 8, 2016) through May 31, 2018, this 541 MW of Capacity Interconnection Rights will be available on an interim basis, dependent on the results of an interim deliverability study.

This is a 1×1 combined-cycle project. Under the ISA, on or before June 1, 2018, PSEG Fossil must demonstrate commercial operation of all generating units.

In other news for this project from earlier this year:

  • PSEG said it kicked off construction June 14 on Sewaren Unit 7. Elected officials were on hand to dedicate the start of work on both the new natural gas power facility and a refurbished Public Service Electric & Gas switching station at a site that flooded during “Super Storm” Sandy in 2012. The new Sewaren 7 will replace the existing plant with more efficient, cleaner technology. Sewaren 7 represents an investment of more than $600m and is targeted to be operational in time for summer of 2018.
  • The New Jersey Department of Environmental Protection was taking comment until March 8 on draft air permitting for Unit 7. Said a department fact sheet: “The ‘Project’ would be a 1-on-1 (1 combustion turbine and a single steam turbine) combined-cycle electric generating unit (Unit No. 7) including its ancillary equipment. The electric output of the combined-cycle combustion turbine (CCCT) at ISO conditions will be approximately 345 MW and the approximate output of the steam turbine at these conditions and with 100% supplemental heat input will be 240 MW.” The project will consist of one General Electric (GE) 7HA.02 CCCT nominally rated at 345 MW at ISO conditions without duct firing. The CCCT will be equipped with a heat recovery steam generator (HRSG) with a natural gas-fired duct burner (maximum rating of 730 MMBtu/hr) (HHV) for supplemental firing. The primary fuel for the CT will be natural gas. Backup ultra-low sulfur diesel (ULSD) equivalent to 30 days per year will be used in order to supply the grid when natural gas supply is curtailed.
About Barry Cassell 20414 Articles
Barry Cassell is Chief Analyst for GenerationHub covering coal and emission controls issues, projects and policy. He has covered the coal and power generation industry for more than 24 years, beginning in November 2011 at GenerationHub and prior to that as editor of SNL Energy’s Coal Report. He was formerly with Coal Outlook for 15 years as the publication’s editor and contributing writer, and prior to that he was editor of Coal & Synfuels Technology and associate editor of The Energy Report. He has a bachelor’s degree from Central Michigan University.