Projects

South Field Energy’s Combined-Cycle Power Plant, Ohio

South Field Energy is constructing a 1.18GW natural gas-fired combined-cycle power plant in Yellow Creek Township, Columbiana County, Ohio, US, with an estimated investment of $1.3bn.

Project Type

Natural gas-fired combined-cycle power plant

Location

Columbiana County, Ohio, US

Developer

Advanced Power

Capacity

1,182MW

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South Field Energy is constructing a 1.18GW natural gas-fired combined-cycle power plant in Yellow Creek Township, Columbiana County, Ohio, US, with an estimated investment of $1.3bn.

South Filed Energy is a subsidiary of US-based company Advanced Power. Other co-owners of the project include Kyushu Electric Power, NH-Amundi Asset Management, PIA Investment Management, Development Bank of Japan, Showa Shell Sekiyu, Shikoku Electric Power, and an affiliate of Bechtel Development Company.

Ground-breaking for the project was held in May 2019, while commissioning is expected in June 2021.

The combined-cycle power facility is expected to serve the electricity needs of approximately one million US homes.

South Field Energy’s combined-cycle power plant background

South Field Energy received approval for the project from the Ohio Power Siting Board (OPSB) in September 2016.

The facility will adhere to the US National Ambient Air Quality Standards (NAAQS) to safeguard public health and reduce the ecological footprint.

It is the second power plant to be developed by Advanced Power in Ohio, after the Carroll County Energy project, which was commissioned in December 2017.

The new project is expected to create more than 1,000 construction jobs and up to 30 full-time jobs during operation.

Site details and plant make-up

The South Field Energy facility is being developed on a 20-acre site located approximately 4.8km north of Wellsville, Ohio.

It will be installed with two 7HA.02 GE gas turbines, which will be coupled with a heat recovery steam generator (HRSG) and a steam turbine generator. The facility will be equipped with two wet cooling towers.

Natural gas will be used as the primary fuel for power generation at the plant, while ultra-low sulfur diesel (ULSD) will be used as the back-up fuel.

Electricity transmission

Electricity generated by the combined-cycle power plant will be sold to PJM, one of the largest regional transmission organisations (RTO) in the US.

“The combined-cycle power facility is expected to serve the electricity needs of approximately one million US homes.”

Power generated by the facility will be evacuated through a 6.27km-long 345kV transmission line, which will interconnect with the existing 345kV transmission circuit of FirstEnergy.

OPSB permitted the construction of an electrical switchyard and the interconnection facility in September 2016. American Transmission Systems (ATSI) will be the owner of the interconnected transmission infrastructure.

An interconnection service agreement for the project was signed between PJM, South Field Energy, and ATSI in January 2018.

Financing

Advanced Power secured $1.3bn in project financing for the South Field Energy facility in August 2018.

Credit facilities for the project were extended by GE Energy Financial Services, NH Investment & Securities, CIT Group, Crédit Agricole Corporate and Investment Bank, and ten other banks.

Contractors involved

Bechtel was selected as the engineering, procurement, and construction (EPC) contractor for the South Field Energy combined-cycle gas-fired power facility in September 2018. Advanced Power had also chosen Bechtel as the key contractor for its 700MW Carroll County Energy project.

GE Power was awarded the contract to supply two 7HA.02 gas turbines along with the steam turbine generators and heat recovery steam generators (HRSG) for the project in September 2018. The contract included a long-term service agreement for the power-generating equipment.

Construction and operations of the South Field Energy plant will be managed by South Field Asset Management Services, a subsidiary of Advanced Power.

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