GE to supply turbine system for PSEG’s new Sewaren Unit 7 in New Jersey

General Electric (NYSE: GE) said Sept. 28 that it has worked out a deal with Public Service Enterprise Group (NYSE: PEG) to replace an aging plant with high-efficiency 7HA.02 gas turbine technology.

PSEG Power, a subsidiary of Public Service Enterprise Group, has ordered GE’s 7HA.02 gas turbine and associated equipment for its new Sewaren 7 combined-cycle power plant in New Jersey. The facility is expected to generate 540 MW.

“Our new Sewaren 7 plant and the 7HA.02 gas turbine will help provide the market with more reliable and cleaner power at a lower cost of generation while also supporting the local economy with employment opportunities and tax revenues,” said Rich Lopriore, president of PSEG Fossil LLC, the business that operates PSEG Power’s portfolio of natural gas, coal, and oil-fired electric generating units.

GE’s 7HA.02 will replace four steam turbines in operation for nearly 70 years. The new plant will be able to produce the same amount of power from half the amount of fuel compared to the existing plant.

During the polar vortex in the last two winters, nearly a quarter of PJM Interconnection installed capacity was unavailable due to natural gas constraints. To help provide flexible power when it’s needed, Sewaren 7 will feature the first dual-fuel 7HA.02 that will primarily run on natural gas, but also will be able to operate on ultra-low-sulfur distillate as a backup fuel when natural gas is curtailed for residential use or is otherwise unavailable, GE noted.

HA technology will help lower the CO2 emission rate to almost half that of typical gas boilers and below the federal government’s final year 2030 Clean Power Plan target for New Jersey.  In addition, the unit’s ability to provide faster, more-efficient startups, as compared to previous technology, can help improve PSEG’s competitive position as a power supplier on the regional grid.

PSEG Power had announced Aug. 24 that Sewaren 7, a new 540-MW, dual-fuel combined-cycle power plant, had cleared PJM’s Reliability Pricing Model Base Residual Auction. PSEG Power said that the time that it will work to secure permits and expects to begin construction on the plant in early 2016. The plant, which represents an investment of more than $600 million, is targeted to be completed and supplying needed energy to New Jersey and the region in time for summer of 2018.

Sewaren 7 will be constructed at PSEG Power’s existing Sewaren Generating Station site in Woodbridge, New Jersey, replacing Sewaren Units 1, 2, 3 and 4, which will be retired. The plant will run primarily on natural gas, but also will be able to run on ultra-low-sulfur distillate (ULSD) fuel oil as a back-up, supporting fuel diversity and exceptional dependability.

PJM got April 8 requests for the deactivation as of Nov. 1, 2017, of four units at the Sewaren plant. A brief description of those requests is in an April 16 update of PJM’s pending power plant deactivation list. The affected units are: Unit 1 (103 MW); Unit 2 (118 MW); Unit 3 (106 MW); and Unit 4 (124 MW). The same notation in the PJM list for all four units says: “Reliability Analysis underway. PSEG contemplating re-use of Capacity Rights for a new generation project.”

PSEG Fossil has proposed a natural gas-fired generating facility located in Sewaren, New Jersey, said PJM in a March 2015 study on the project. The installed facilities will have a total capability of 568 MW with 509 MW of this output being recognized by PJM as capacity. The proposed in-service date for this project is May 31, 2018. This project, under queue No. Z2-089, has claimed 509 MW of Capacity Interconnection Rights (CIRs) from the retiring Sewaren 1, 2, 3, 4 and 6 units, PJM noted.

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.