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NextEra 'South Mon' Gas Plant

Luzerne Township (reported), Fayette County

NextEra Energy Resources plans a 4.3-gigawatt gas-fired power hub called South Mon in southwestern Pennsylvania, sized to serve up to 3.5 gigawatts of data center and other large loads. It's funded through Japan's $550 billion investment commitment under the U.S.-Japan trade deal, and the site still hasn't been disclosed.

ContestedMega scaleGreenfield GasUnknownSW
At a glance

The project by the numbers

StatusProposed
Capacity4300 MW
Capex$ 17 B
First announced2026-03-19
Target online2028 to 2032

NextEra's $17 billion, 4.3-gigawatt South Mon gas plant is planned for an undisclosed Mon Valley site

The number that mattersThe Commerce Department puts the cost at $17 billion for 4.3 gigawatts of generation, yet seven months after the March 2026 announcement NextEra still hasn't said where in southwestern Pennsylvania it will be built.
Developer
NextEra Energy Resources, a subsidiary of NextEra Energy Inc. of Juno Beach, Florida. NextEra says the U.S. and Japan would own the project while NextEra develops, builds and operates it for fees without investing its own capital.
Tenant
No customer has been named. The Commerce Department says the plant could serve up to 3.5 gigawatts of large-load demand, and NextEra says it's engaging potential customers and that large-load customers will pay their fair share.
Current stage
NextEra, the Commerce Department and Japan finalized commercial terms on August 12, 2026, releasing an initial $3.3 billion for the Texas and Pennsylvania projects together for turbine down payments and choosing construction contractors, and NextEra said on October 21, 2026 that it has signed definitive agreements for three federal hubs, one of them in Pennsylvania. We haven't found a NextEra release naming the site. A September 2, 2026 Washington Examiner column reported the Pennsylvania plant, called the East Riverside Energy Center, would be built in Luzerne Township, Fayette County, on about 150 of roughly 700 acres along the Monongahela River that NextEra holds purchase options on. The column described three gas power blocks of about 1,250 megawatts each coming online in 2030, 2031 and 2032, and Fayette County Commissioner Scott Dunn has publicly said the plant is coming to the county. No local zoning or state permit filings tied to the site have been reported.
Decision body
Not yet known, because the site hasn't been disclosed. NextEra says the project remains subject to permitting and regulatory approvals, which would include the host municipality or county and the Pennsylvania DEP. The plant would connect to the PJM grid, and the federal side is run by the U.S. Department of Commerce under the U.S.-Japan trade agreement.
Top issues
Where the plant will go and who will decide; air emissions from a 4.3-gigawatt gas plant; how much Marcellus and Utica shale gas it would burn; water for cooling; whether data center customers or regular ratepayers end up paying for grid upgrades; and NextEra's related MARL transmission line.
Key opponents
No organized opposition to South Mon itself has been reported, largely because its location is secret. The Center for Coalfield Justice keeps a page on the project, criticizes the secrecy around it, and links it to NextEra's proposed MidAtlantic Resiliency Link transmission line through Fayette and Greene counties, which farmers and local officials are fighting.
Key supporters
U.S. Sen. Dave McCormick called the $17 billion South Mon project "historic," and Commerce Secretary Howard Lutnick announced the first $3.3 billion for it and NextEra's Texas hub. President Trump approved the projects under the U.S.-Japan trade deal.

How we got here

The White House announced a $17 billion gas-fired power plant for southwestern Pennsylvania on March 19, 2026, and the next day the Commerce Department named it Project South Mon and NextEra said its Texas and Pennsylvania hubs had been selected under the U.S.-Japan trade deal. In its April 23, 2026 earnings release NextEra described 9.5 gigawatts of gas generation across the two states, owned by the U.S. and Japan. The Center for Coalfield Justice started a tracking page in May. On Aug. 12, 2026, the parties finalized commercial terms and released an initial $3.3 billion, and Sen. McCormick placed South Mon in the Mon Valley region. On Oct. 21, 2026, NextEra said definitive agreements had been signed for its federal hubs, including one in Pennsylvania.

Update, October 26, 2026. On September 2, 2026 a Washington Examiner column reported that NextEra's Pennsylvania plant, the East Riverside Energy Center, would be built in Luzerne Township, Fayette County, along the Monongahela River, and on September 7, 2026 Energy Central reported that Fayette County Commissioner Scott Dunn had posted that NextEra announced a $13 billion, 3.75-gigawatt gas plant in the county.

What is at stake

Impacts raised and open questions

Air quality

High

The Commerce Department describes a 4.3-gigawatt gas-fired hub fed by existing interstate pipelines carrying Marcellus and Utica shale gas. No emissions estimates have been published with the announcements.

U.S. Department of Commerce

Energy costs and the grid

Medium

NextEra says the projects are built so new demand is met with new generation to avoid raising household bills, that large-load customers will pay their fair share, and that it signed the White House's Ratepayer Protection Pledge in July 2026. The plant would connect to the PJM grid.

NextEra Energy

Jobs and tax claims

Low

NextEra says its Texas and Pennsylvania hubs together would create thousands of construction jobs and hundreds of permanent operating jobs. It hasn't given a figure for Pennsylvania alone.

NextEra Energy
Community response

Who is organizing against it

Center for Coalfield Justice

Washington and Greene counties

Leaders: Sarah Martik, executive director

Tactics: Tracking page, email alerts, public information on South Mon and the related MARL transmission line

Says there is a lot of secrecy around the project and that people should have a chance to give input once the site is known.

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Timeline

How it has unfolded

  • 2026-03-19The Trump administration announced a $17 billion gas-fired power plant for southwestern Pennsylvania. Pittsburgh Post-Gazette
  • 2026-03-20A Commerce Department fact sheet named Project South Mon, a 4.3-gigawatt gas hub to be operated by NextEra Energy Resources. U.S. Department of Commerce
  • 2026-04-23NextEra's first-quarter earnings release said it was selected to build 9.5 gigawatts of gas generation in Texas and Pennsylvania, to be owned by the U.S. and Japan. NextEra Energy / U.S. Securities and Exchange Commission
  • 2026-05-15The Center for Coalfield Justice launched a page tracking the South Mon plant and calling out the secrecy over its location. Center for Coalfield Justice
  • 2026-08-12The parties finalized commercial terms and released an initial $3.3 billion for the Texas and Pennsylvania projects. NextEra Energy
  • 2026-09-02A Washington Examiner column reports the Pennsylvania plant, called the East Riverside Energy Center, would be built in Luzerne Township, Fayette County, on reclaimed coal land along the Monongahela River, with $13 billion of the $17 billion hub going to it. Washington Examiner
  • 2026-09-07Energy Central reports Commissioner Dunn posted that NextEra announced a $13 billion, 3.75-gigawatt gas plant in Fayette County that's fully funded through the U.S. and Japan trade deal. Energy Central
  • 2026-10-21NextEra said it has signed definitive agreements for three federal hub projects, including one in Pennsylvania, with $5.7 billion in initial funding so far this year. NextEra Energy / U.S. Securities and Exchange Commission
News

Coverage of this project

Sources

Know your rights

In Pennsylvania, the local zoning ordinance sets the route. A conditional use is decided by the elected governing body (supervisors, commissioners or council). A special exception or variance, and an appeal of a zoning officer’s decision, go to the Zoning Hearing Board. Each is a public hearing on a record: affected neighbors can ask for party status, cross-examine witnesses, and appeal. Municipalities can also adopt data center ordinances with enforceable standards.

Know your rights →

Take action

Organized community opposition is the single most effective check on these projects in Pennsylvania. Show up to hearings, submit comment when it is taken, support legal and expert-witness costs, and press your municipality for a real ordinance. Pennsylvania municipalities cannot simply freeze applications, but a curative amendment under the Planning Code gives them a defined window to fix a defective ordinance.

How communities push back →