The power plant has been operating on a temporary air quality permit since 2021.
In September, Blackstone announced the purchase of the 620 MW power plant for nearly $1 billion for the purpose of feeding energy to A.I. data centers. Read more here.
The application and related documents can be viewed at the DEP Southwest Regional Office, 400 Waterfront Drive, Pittsburgh, PA 16222-4745.
Appointments can be made by calling 412-442-4000.
No hearing has been scheduled on the proposed Plan Approval, but one may be requested.
Comments are due January 5-- 30 days after this notice.
Comments should be sent to: Air Quality Program, DEP Southwest Regional Office, 400 Waterfront Drive, Pittsburgh, PA 16222-4745.
Questions should be directed to: Thomas J. Joseph, Environmental Engineer Manager, 412-442-4336 or send email to: tjoseph@pa.gov.
Read the entire PA Bulletin notice for more information. (PA Bulletin, page 8281)
Visit DEP’s Hill Top Energy Center Power Plant webpage for more information.
For more information on environmental programs in Pennsylvania, visit DEP’s website. Submit Environmental Complaints; Click Here to sign up for DEP’s newsletter; sign up for DEP’s eNotice; Like DEP on Facebook, Follow DEP on Twitter and visit DEP’s YouTube Channel.
PA Oil & Gas Industry Public Notice Dashboards:
-- Pennsylvania Oil & Gas Weekly Compliance Dashboard- Nov. 29 to Dec. 5 [PaEN]
-- PA Oil & Gas Industrial Facilities: Permit Notices, Opportunities To Comment - December 6 [PaEN]
-- DEP Invites Comments On Revised Oil & Gas Erosion & Sedimentation, Stormwater Management Technical Guidance [PaEN]
-- DEP Accepting Comments On Air Quality Permit For Hill Top Energy Center Natural Gas Power Plant In Greene County To Feed A.I. Data Centers [PaEN]
-- DEP Invites Comments On Air Permit To Uprate 3 Natural Gas Turbines At Hummel Station Power Plant In Snyder County To Feed A.I. Data Centers [PaEN]
-- DEP Proposes To Renew Air Quality Permit For Constellation Energy Oil-Fired Falls Generation Station In Bucks County [PaEN]
-- Susquehanna River Basin Commission Approved 76 Shale Gas Well Pad Water Use General Permits In September & October; 398 In 2025 [PaEN]
-- DEP Posted 75 Pages Of Permit-Related Notices In December 6 PA Bulletin [PaEN]
Related Article This Week:
-- Registration Open! PA League Of Women Voters, Duquesne University Host Shale Gas & Public Health Conference Feb. 19 In Pittsburgh, Online [PaEN]
-- PA Trout Unlimited, Keystone Trails Assn., Responsible Drilling Alliance Request DEP To Hold Hearing On Permit For PA General Energy 3.9 Mile Shale Gas Access Road/Staging Area In Loyalsock State Forest, Lycoming County [PaEN]
-- EPA's Delay Of Oil & Gas Industry Methane Emissions Reductions Harms Pennsylvanians; Reactions From PA, Related Groups [PaEN]
-- Independent Fiscal Office: Quarterly PA Natural Gas Production Up 5.1% From Last Year; Natural Gas Price Up 51.4% [PaEN]
-- PUC Approves Reduced Columbia Gas Rate Hike Of 6.05%, And A Per Month Residential Customer Charge Increase Of 33% [PaEN]
NewsClips:
-- PA Capital-Star: Watchdog For PJM Electric Grid Wants A Pause On A.I. Data Centers
-- Reuters Opinion: High And Rising Natural Gas Costs May Spur Fresh Climb In US Coal Use
-- Bloomberg: There’s Too Much Oil: Who Are The Winners And Losers?
-- Broad & Liberty Guest Essay: Pennsylvania Needs More Energy And Sensible Regulation To Lure A.I. Data Centers - Gordon Tomb, Commonwealth Foundation [PA Is Already Flooded With Proposals, Electric Bills, Natural Gas Bills Surging As A Result]
-- The Allegheny Front: Ohio Landfills Take Shale Gas Drilling Waste, But Don’t Track Or Test Much Of It [PA Info Included]
[Posted: December 5, 2025] PA Environment Digest

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