Rolling Hills Generating
Vinton County
Overview
- Reported capacity
- 977.5 MW
- EIA-reported nameplate capacity; other nameplate and seasonal ratings may differ.
- Technology
- Natural Gas Fired Combustion Turbine
- Primary generation technology.
- Registry anchor
- Plant 55401
- Vinton County · PJM
- Operating status
- Operating
- Grid connection
- Flat Lick (Flatlick) Substation
- 345 kV · American Electric Power (AEP)
Infrastructure record
- Operator
- Rolling Hills Generating LLC
- Alternate name
- Rolling Hills Generating Station
- Mapped facility footprint
- Mapped infrastructure footprint
Mapped infrastructure geometry associated with this asset.
Profile
- Grid role
- Flexible, fast-ramping natural-gas peaking generation supporting PJM grid reliability.
- Grid connection
- Flat Lick (Flatlick) Substation · 345 kV · American Electric Power (AEP).
- Physical build
- Existing facility: five Siemens natural-gas combustion turbines operating in simple-cycle peaking configuration. The proposed conversion adding four HRSGs and two steam generators is not treated as installed equipment.
Structured profile
- Reported capacity
- 977.5 MW
Natural Gas Fired Combustion Turbine
- Operating status
- operating
Rolling Hills Generating is operating.
- Interconnection
- Flat Lick (Flatlick) Substation
345 kV · American Electric Power (AEP)
- Location
- Vinton County
PJM
- Asset role
Generation and physical site
EIA plant 55401 · Inventory for Sep 2026.
Reported operating nameplate by technology
- Natural gas
- 977.5 MW
Generator records (5)
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| CT1 | Natural Gas Fired Combustion Turbine | Operating | 195.5 | Unknown |
| CT2 | Natural Gas Fired Combustion Turbine | Operating | 195.5 | Unknown |
| CT3 | Natural Gas Fired Combustion Turbine | Operating | 195.5 | Unknown |
| CT4 | Natural Gas Fired Combustion Turbine | Operating | 195.5 | Unknown |
| CT5 |
Related assets
Similar plants ranked by technology, capacity, and distance.
Units and generators
Current generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| CT1 | 195.5 MW 185 MW summer | Natural Gas Fired Combustion Turbine GT | Jun 2003 | Operating |
| CT2 | 195.5 MW 185 MW summer | Natural Gas Fired Combustion Turbine GT | Jun 2003 | Operating |
| CT3 | 195.5 MW 185 MW summer | Natural Gas Fired Combustion Turbine GT | Jun 2003 | Operating |
| CT4 | 195.5 MW 185 MW summer | Natural Gas Fired Combustion Turbine GT | Jun 2003 | Operating |
| CT5 | 195.5 MW |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 977.5 MW
- Natural Gas Fired Combustion Turbine
- National rank
- #16
- of 829 operating peers
- OH rank
- #1
- of 24 operating peers
Monthly generation
Download CSVLatest 12 months
2.2 TWh
Reported net generation
Latest report
Dec 2024
EIA-923 monthly filing
2024 capacity factor
25.6%
Using current reported nameplate capacity
Grid and market context
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Commercial, land, and environmental record
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Transactions and agreements
Construction Contract Award
Date not disclosed
General construction contract for Rolling Hills Generating Station awarded to Zachry Construction Company Corporation. Source does not disclose contract value or award date.
Rolling Hills Generating, L.L.C. · Zachry Construction Company Corporation
Owner'S Engineering Contract Award
Date not disclosed
Owner's engineering contract for Rolling Hills Generating Station awarded to Black & Veatch Corporation. No contract value or term disclosed.
Rolling Hills Generating, L.L.C. · Black & Veatch Corporation
Acquisition Closing
Sep 2022
LS Power completed acquisition of Rolling Hills natural gas plant in Wilkesville, Ohio from an affiliate of ArcLight Capital Partners following regulatory approvals. Purchase price not disclosed.
LS Power Equity Advisors, LLC · ArcLight Capital Partners, LLC · Rolling Hills Generating, L.L.C.
Equipment Service Agreement
Date not disclosed
Capital Power states combustion turbines and associated generators at Rolling Hills are covered under a Long Term Program Contract with Siemens. No contract date, duration, amount, or capacity commitment disclosed.
Rolling Hills Generating, L.L.C. · Siemens
Capacity And Energy Market Participation
Date not disclosed
Capital Power facility page states Rolling Hills provides capacity and energy to PJM Interconnection and American Electric Power. No PPA, tolling agreement, duration, or contracted capacity disclosed; no such terms inferred.
Rolling Hills Generating, L.L.C. · PJM Interconnection · American Electric Power
Land and environmental record
Air-Quality Permitting
May 20, 2015
Ohio EPA PSD air-quality permit issued for planned conversion on May 20, 2015; permit number not disclosed in source
Tenaska reported Ohio EPA issued Prevention of Significant Deterioration air-quality permit on May 20, 2015, following NPDES wastewater permit issued February 17, 2015. Permit supported planned conversion from peaking-only to 1,414-MW combined-cycle/peaking facility.
Historical Proposed Wetland And Stream Impact
Jun 19, 2014
Proposed permanent fill: 0.67 acres of wetlands, 0.014-acre pond, and 1,928 linear feet of ephemeral streams
Proposed combined-cycle conversion would have permanently filled six wetlands totaling 0.67 acres, one 0.014-acre pond, and six ephemeral streams totaling 1,928 linear feet. These impacts described for proposed expansion footprint, not evidence conversion was completed.
Land Ownership Statement
Development-ready land owned and adjacent to the facility; acreage not stated
Current operator's facility page describes development-ready land owned and adjacent to facility, but does not identify parcel number, acreage, or named landowner.
Site And Parcel Record
Mar 1, 2022
43111 State Route 160, Wilkesville, Vinton County, Ohio
Facility address identified in Ohio EPA NPDES permit record. No parcel number, deed number, lease identifier, or total site acreage disclosed in official sources.
Waste And Wastewater Management
Mar 1, 2022
Wastewater treatment, monitoring, record retention, and solids-disposal requirements apply
NPDES permit requires wastewater treatment works operated consistently with permit requirements, monitoring of treatment/control facilities and treated discharge quality, record retention for minimum three years, and management of sewage sludge, grit, screenings, and solids to prevent entry into waters.
Related parties and identifiers
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
Relationship graph
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AssetOwner / operatorEquipmentContractorMarket / regulatorOfftaker
Timeline and sources
Project milestones and public references behind the asset profile.
Project timeline
- Commercial OperationRolling Hil...
Rolling Hills Generating entered commercial operation.