Study and Technical Record Register
Browse the Study and Technical Record Register
Browse the project's studies, investigations, tests, drawings, and related technical records by discipline, date, organization, and recorded status. Public documents and supporting-information request options accompany the entries where available.
Listing a work product does not disclose its results, establish current design, create an approval, or waive confidentiality. Detailed results may remain protected because of confidentiality, proprietary rights, security, privacy, or property interests.
| Date | Study or Work Product | Organization | Discipline | Work Performed | Public Availability |
|---|---|---|---|---|---|
| 2020-10-08 | Lower Reservoir Embankment Plan, Profile, and Cut/Fill Review | Kleinschmidt | Reservoirs and civil works | Old Forge Pumped Storage Preliminary Design Review — lower reservoir embankment plan and profile and cut/fill quantities. | Listed in the project record |
| 2020-10-09 | Bridge Crane Superstructure Three-Dimensional Model | Kleinschmidt | Powerhouse and hydraulic conveyance | Three-dimensional model file showing the bridge crane superstructure option at the project powerhouse. | Listed in the project record |
| 2020-08-14 | Overall Site, Penstock, Powerhouse, and Lower-Intake Concept Drawings | Kleinschmidt | Powerhouse and hydraulic conveyance | Preliminary conditions overall site plan, penstocks, powerhouse, and lower intake — three drawings. | Listed in the project record |
| 2020-11-20 | Preliminary Multi-Discipline Design Drawing Package | Kleinschmidt | Reservoirs and civil works | Preliminary two-dimensional design drawings representing approximately 30 percent design completion. | Listed in the project record |
| 2020-11-20 | Design Basis Document | Kleinschmidt | Reservoirs and civil works | Design basis report supporting the preliminary design drawings — general summary of assumptions and rationale. | Listed in the project record |
| 2020-11-11 | Penstock and Project-Feature Rendering Set | Kleinschmidt | Reservoirs and civil works | Five overview drawings — penstock, upper reservoir embankment plan and profile, upper intake plan and profile, powerhouse sections. | Listed in the project record |
| 2020-11-06 | Penstock Plan and Profile Drawing Package | Kleinschmidt | Powerhouse and hydraulic conveyance | Five drawings — overall penstock plan, overall penstock profile, typical penstock cross sections, energy dissipation structure. | Listed in the project record |
| 2020-11-19 | Preliminary Powerhouse Subsurface Exploration and Geotechnical Design Report | Haley & Aldrich | Powerhouse and hydraulic conveyance | Preliminary subsurface investigation, geotechnical evaluations, design recommendations, and construction considerations for powerhouse excavation and rock support. | Listed in the project record |
| 2020-11-08 | Intake Power and Communications Schematic | Kleinschmidt | Equipment, electrical systems, and controls | Intake power and communications schematic drawing. | Listed in the project record |
| 2020-09-03 | Upper and Lower Reservoir Power Interconnection One-Line Diagram | Kleinschmidt | Equipment, electrical systems, and controls | Lower–upper reservoir power interconnection key one-line diagram. | Listed in the project record |
| 2020-09-18 | Powerhouse Architectural, Structural, and Equipment-Layout Drawing Series | Kleinschmidt | Powerhouse and hydraulic conveyance | Fifteen drawings showing eight levels of the powerhouse with plan views, three-dimensional model renderings, vertical section views, and elevations. | Listed in the project record |
| 2020-10-09 | Powerhouse Three-Dimensional Design Model | Kleinschmidt | Powerhouse and hydraulic conveyance | Three-dimensional model of the project powerhouse allowing multiple views and slices of the current design. | Listed in the project record |
| 2020-11-20 | Updated Powerhouse Three-Dimensional Design Model | Kleinschmidt | Powerhouse and hydraulic conveyance | Updated three-dimensional model of the project powerhouse. | Listed in the project record |
| 2020-10-05 | Upper Reservoir Embankment Plan and Profile Review | Kleinschmidt | Reservoirs and civil works | Preliminary design review — upper reservoir embankment plan and profile. | Listed in the project record |
| 2022-09-12 | Crane Superstructure Model Demonstration Video | REA | Powerhouse and hydraulic conveyance | Video showing how to open and use the bridge crane powerhouse superstructure three-dimensional model. | Public summary available |
| 2022-09-12 | Powerhouse Three-Dimensional Model Demonstration Video | REA | Powerhouse and hydraulic conveyance | Video showing how to open and use the powerhouse three-dimensional models. | Public summary available |
| 2022-09-12 | Powerhouse Exterior Model Demonstration Video | REA | Powerhouse and hydraulic conveyance | Video showing how to open and use the powerhouse exterior three-dimensional model. | Public summary available |
| 2020-04-02 | Ternary Pumped-Storage Equipment Proposal and Technical Package | Voith Hydro | Equipment, electrical systems, and controls | Detailed proposal for project equipment and configuration — ternary pumped-storage units. Includes management approach, technical details, and experience. | Available through qualified diligence |
| 2014-08-29 | Ternary Pumped-Storage Technology Description | Voith Hydro | Equipment, electrical systems, and controls | Voith experience with various types of pumped-storage units and ternary unit characteristics. | Listed in the project record |
| 2019-11-22 | Ternary Unit Parameter Evaluation | Voith Hydro | Equipment, electrical systems, and controls | Variants for project equipment and configuration — ternary unit parameters. | Available through qualified diligence |
| 2018-10-02 | Runner and Controls Nexus Technical Explanation | Voith Hydro | Equipment, electrical systems, and controls | Explains the connection between Voith control systems and the runner configuration. | Available through qualified diligence |
| 2018-05-09 | Pumped-Storage Control-System Technical Description | Voith Hydro | Equipment, electrical systems, and controls | Detailed technical description of control system for powerhouse including upper and lower reservoir. | Available through qualified diligence |
| 2018-05-09 | Pumped-Storage Excitation-System Technical Description | Voith Hydro | Equipment, electrical systems, and controls | Detailed technical description of excitation system. | Available through qualified diligence |
| 2020-10-29 | Hydro-Mechanical Equipment Supply and Installation Agreement Package | Voith Hydro | Equipment, electrical systems, and controls | Supply and installation agreement including scope of work, schedule, performance guarantees, and warranty provisions. | Available through qualified diligence |
| 2020-10-29 | Control, Automation, and Protection Scope Package | Voith Hydro | Equipment, electrical systems, and controls | Scope of work for supply and installation of control, automation, and protection systems. | Available through qualified diligence |
| 2020-07-31 | Integrated Concept Review Memorandum | Kleinschmidt | Reservoirs and civil works | Review of project layout and feasibility of upper and lower reservoir to retain sufficient volume for a generation and pumping cycle. | Listed in the project record |
| 2020-07-30 | Upper Reservoir Siting and Earthwork Considerations Memorandum | Kleinschmidt | Reservoirs and civil works | Memorandum on optimizing upper reservoir location to balance cut and fill quantities. | Listed in the project record |
| 2020-06-30 | Penstock Concept Review Memorandum | Kleinschmidt | Powerhouse and hydraulic conveyance | Review of penstock layout comparing one or two penstocks. | Listed in the project record |
| 2020-04-25 | Reservoir Earthwork Cost and Liner Evaluation | Linde Corp | Project delivery and constructability | Assessment of earthwork costs for upper and lower reservoirs and unit prices for geotechnical liner. | Available through qualified diligence |
| 2022-04-04 | High-Level Project Risk Summary | Kleinschmidt | Project delivery and constructability | High-level risk summary for closed-loop pumped-storage project based on preliminary design package. | Available through qualified diligence |
| 2022-07-06 | Integrated Project Gantt Schedule | REA | Project delivery and constructability | Summary-level bar schedule showing key milestones and project finance activities. | Available through qualified diligence |
| 2022-07-29 | Integrated Critical-Path Project Schedule | REA | Project delivery and constructability | Comprehensive critical-path schedule including key milestones, project financing, permitting, pumped-storage plant, and transmission facilities. | Available through qualified diligence |
| 2020-06-15 | Preliminary Geotechnical Engineering Report | Midlantic Engineering | Geotechnical investigations | Preliminary geotechnical engineering report for Old Forge outfall site — site reconnaissance, soils and geological mapping review, and preliminary assessment of earthwork and foundation conditions. | Listed in the project record |
| 1962-01-01 | Old Forge Borehole and Conveyance System Reference Drawings | Pennsylvania Department of Mines and Mineral Industries | Water and mine pool | Old Forge Mine Drainage Project drawings — plan and profile, control manhole, miscellaneous metal details, and sections of drainage ditch. | Public document |
| 2020-10-01 | Soil Resistivity Testing Report Transmittal | Haley & Aldrich | Geotechnical investigations | Transmittal of soil resistivity testing report by Hager-Richter Geoscience — results of field soil resistivity testing at three sites. | Listed in the project record |
| 2020-11-03 | Final Preliminary Geotechnical Data Report | Haley & Aldrich | Geotechnical investigations | Final preliminary geotechnical data report presenting results of subsurface exploration program and geotechnical laboratory testing — boring locations, subsurface data, seismic refraction, packer testing, and laboratory results. | Available through qualified diligence |
| 2020-11-20 | Preliminary Geotechnical Design Report — Powerhouse | Haley & Aldrich | Geotechnical investigations | Preliminary geotechnical evaluations and design recommendations for powerhouse excavation, rock support, foundation, lateral pressures, hydrostatic uplift, and construction considerations. | Available through qualified diligence |
| 2020-11-20 | Preliminary Geotechnical Design Report — Reservoirs and Gatehouses | Haley & Aldrich | Geotechnical investigations | Preliminary geotechnical evaluations for upper and lower reservoirs and gatehouses — embankment stability, settlement, seismic screening, seepage, grouting, rock stability, and gatehouse foundations. | Available through qualified diligence |
| 2022-07-29 | PADEP Multi-Program Permit Consultation Summary | Pennsylvania Department of Environmental Protection | Regulatory and agency consultation | Confirmation of permits required for Old Forge Borehole Pumped Storage. | Listed in the project record |
| 2020-05-21 | Federal and Pennsylvania Permit Requirements Matrix | Kleinschmidt | Regulatory and agency consultation | Table showing federal, Pennsylvania, and DEP permits required by the project. | Listed in the project record |
| 2020-06-08 | Dam-Permit Pre-Application Presentation | Kleinschmidt | Regulatory and agency consultation | Presentation to PADEP for Old Forge Borehole Pumped Storage dam permit pre-application meeting. | Listed in the project record |
| 2020-09-30 | Cultural Resources Desktop Review and Sensitivity Study | RETTEW | Wetlands, streams, habitat, and cultural resources | Review to identify recorded historic properties and cultural resources within the study area. Identifies features requiring further review. | Listed in the project record |
| 2020-09-24 | Timber Rattlesnake Habitat Evaluation | RETTEW | Wetlands, streams, habitat, and cultural resources | Technical memorandum showing results of a timber rattlesnake habitat assessment. | Listed in the project record |
| 2019-05-15 | PAG-02 NPDES General Permit Coverage Approval Record | Luzerne Conservation District | Regulatory and agency consultation | NPDES General Permit approval letter for stormwater discharges. | Public document |
| 2018-08-14 | Department of the Interior and U.S. Fish and Wildlife Service Project-Footprint Review Letter | U.S. Department of the Interior | Regulatory and agency consultation | Letter addressing the project footprint and relevant environmental review context. | Public document |
| 2020-09-21 | Wetland and Stream Investigation Memorandum | RETTEW | Wetlands, streams, habitat, and cultural resources | Scope and results of wetland and stream investigation on the project site — identified streams and wetlands regulated by PADEP and USACE. | Listed in the project record |
| 2019-04-05 | Overall NPDES Erosion and Sedimentation Control Plan Set | Site Services Group | Regulatory and agency consultation | Twenty-two drawings showing erosion and sedimentation control plan maps, notes, and details. | Listed in the project record |
| 2016-12-20 | Act 2 Final Report Approval Record | PADEP | Regulatory and agency consultation | Letter confirming DEP approves final report for substances identified and remediated under Act 2. | Public document |
| 2020-06-09 | PADEP Dam-Safety Pre-Application Meeting Minutes | Kleinschmidt | Regulatory and agency consultation | Minutes of pre-application meeting between REA, Kleinschmidt, and PADEP to discuss dam-safety permitting process. | Listed in the project record |
| 2019-04-05 | NPDES Erosion and Sedimentation Control Plan Files | Site Services Group | Regulatory and agency consultation | Phase 1 NPDES erosion and sedimentation control plans for stormwater retention basins for Old Forge Borehole acid mine drainage treatment plant. | Listed in the project record |
| 2019-02-19 | Erosion and Sedimentation Control Interim Report | Site Services Group | Regulatory and agency consultation | Interim report for land development project to regrade land for construction of facilities aiding collection, treatment, and discharge of acid mine drainage from Old Forge Borehole. | Listed in the project record |
| 2019-04-05 | Post-Construction Stormwater Management Report | Site Services Group | Regulatory and agency consultation | Post-construction report for land development project — regrading, access roads, and stormwater management retention basins. | Listed in the project record |
| 2019-05-01 | Stormwater Retention Basin Plan Set | Site Services Group | Regulatory and agency consultation | Approved plans for stormwater retention basins. | Listed in the project record |
| 2019-05-15 | Luzerne Conservation District Approval Letter | Luzerne Conservation District | Regulatory and agency consultation | Letter confirming approval of coverage under PAG-2 General Permit and NPDES Permit. | Public document |
| 2019-05-15 | NPDES Permit Coverage Record | Luzerne Conservation District | Regulatory and agency consultation | Permit issued by PADEP for Old Forge Borehole treatment site regrading and stormwater management basins. | Public document |
| 2021-11-01 | Transmission Right-of-Way GIS Dataset | REA | Grid and interconnection | GIS file covering transmission circuit maps from generation to load. | Available through qualified diligence |
| 2020-10-20 | Underground Cable Design Criteria | Power Engineers | Grid and interconnection | Specified installation requirements and dimensions for duct bank, horizontal directional drilling for conduit bundle, and splice vaults. | Available through qualified diligence |
| 2020-10-20 | Underground Duct-Bank Detail | Power Engineers | Grid and interconnection | Duct bank detail drawing showing PVC conduits embedded in poured concrete for electric cable, commercial fiber optic, and system cables. | Available through qualified diligence |
| 2022-04-25 | Duct-Bank and Utility-Main Detail | JHA | Grid and interconnection | Sketch showing duct bank detail with conduits for electric cable, communications and fiber, and gas line detail. | Available through qualified diligence |
| 2020-10-20 | Horizontal Directional Drilling Bore-Spacer Detail | Power Engineers | Grid and interconnection | Details for PVC conduits for transmission circuits, communication cables, system cables, bore spacer, and casing. | Available through qualified diligence |
| 2022-08-12 | Transmission Splice-Vault and Manhole Evaluation | JHA | Grid and interconnection | Preliminary route evaluation for Old Forge to Coopers Corner — transmission mains requiring splice vaults. | Available through qualified diligence |
| 2022-04-21 | PPL Facilities-Study Scope and Schedule Update — Queue AE1-058 | PJM | Grid and interconnection | Study scope for new 230 kV interconnection switchyard on the Frackville–Siegfried 230 kV line, relay modifications, fiber optic installation, and line rebuild. | Listed in the project record |
| 2019-10-17 | PJM Facilities Study Agreement — Queue AE1-058 | PJM | Grid and interconnection | Facilities Study Agreement between REA and PJM Interconnection for AE1-058 interconnection facilities. | Listed in the project record |
| 2022-04-21 | PPL Facilities-Study Scope and Schedule Update — Queue AE1-059 | PJM | Grid and interconnection | Study scope for new 230 kV interconnection switchyard on the Stanton–Summit 230 kV line, relay modifications, fiber installation, and transformer bay work. | Listed in the project record |
| 2019-10-17 | PJM Facilities Study Agreement — Queue AE1-059 | PJM | Grid and interconnection | Facilities Study Agreement between REA and PJM Interconnection for AE1-059 interconnection facilities. | Listed in the project record |
| 2019-08-01 | PJM Generation Interconnection System Impact Study | PJM | Grid and interconnection | PJM generation impact system study for Queue AE1-059 — Stanton–Summit 230 kV line. New 230 kV switchyard with interconnection near Stanton substation. | Listed in the project record |
| 2020-05-01 | Revised PJM System Impact Study Summary | PJM | Grid and interconnection | Revised system impact study identifying additional cost and time to reconfigure the Lackawanna 500/230 kV transformer. | Listed in the project record |
| 2020-07-01 | PJM / PPL Facilities Study Report | PJM | Grid and interconnection | PJM facilities study report providing scope detail on new interconnection facilities including new 230 kV switchyard components. | Listed in the project record |
| 2022-03-22 | Two-Unit 184 MW Ternary Single-Line Diagram | Voith | Grid and interconnection | Single-line diagram for project pumped-storage operation between motor generator and 230 kV step-up transformers with ternary units. | Available through qualified diligence |
| 2020-09-18 | PPL Transmission Facility Interconnection Requirements | PPL | Grid and interconnection | PPL utility transmission facility interconnection requirements for interconnection to PPL facilities. | Listed in the project record |
| 2022-08-10 | Generator-Mode Power Chart | Voith | Grid and interconnection | Power chart for generator mode for project units. | Available through qualified diligence |
| 2018-03-08 | Old Forge Borehole Mine Pool Review | REA's | Water and mine pool | Reviewed the Old Forge Borehole discharge, mine-pool geometry, historical flow and chemistry information, mine-water resource considerations, and subsidence-related questions. | Public summary available |
| 2018-02-05 | Declaration of Intention and Supporting Project Record | REA / FERC | Regulatory and agency consultation | Submitted the Old Forge Borehole reclamation and pumped-storage concept for federal jurisdictional review. | Public document |
| 2018-05-01 | FERC Jurisdictional Determination Record | Federal Energy Regulatory Commission | Regulatory and agency consultation | Established the federal jurisdictional record applicable at that stage of development. | Public document |
| 2018-08-01 | Multi-Stakeholder Old Forge Site Visit and Field Review | REA and invited participants | Public meetings, site visits, and media | On-site review of the Borehole, project area, environmental setting, and development concept. | Listed in the project record |
| 2018-08-14 | Department of the Interior and U.S. Fish and Wildlife Service Project-Footprint Review Correspondence | U.S. Department of the Interior / U.S. Fish and Wildlife Service | Regulatory and agency consultation | Federal resource-agency review of the project footprint and relevant environmental considerations. | Public document |
| 2020-06-09 | PADEP Dam-Safety Pre-Application Meeting | PADEP / REA / Project Team | Regulatory and agency consultation | Reviewed the proposed dam and reservoir program, expected permitting pathway, engineering information, and follow-up requirements. | Listed in the project record |
| 2020-08 to 2020-11 | Geotechnical Field Investigation Program | Haley & Aldrich and subcontractors | Geotechnical investigations | Site reconnaissance, drilling, soil and rock sampling, groundwater observations, laboratory testing, downhole testing, geophysical work, and data interpretation for reservoirs, gatehouses, powerhouse, and related facilities. | Listed in the project record |
| 2020 | Twenty-Four Geotechnical Test Borings | Haley & Aldrich and drilling subcontractors | Geotechnical investigations | Advanced geotechnical borings across the project area to characterize soil, rock, groundwater, and subsurface conditions. | Listed in the project record |
| 2020 | Rock Coring and Rock-Mass Characterization | Haley & Aldrich | Geotechnical investigations | Recovered rock core and evaluated lithology, discontinuities, weathering, strength, and rock-mass conditions relevant to project structures. | Listed in the project record |
| 2020 | Soil Sampling and Laboratory Classification Testing | Haley & Aldrich / Testing Laboratories | Geotechnical investigations | Collected soil samples and performed classification and engineering-property testing for preliminary design. | Listed in the project record |
| 2020 | Rock Laboratory Strength Testing | Haley & Aldrich / Testing Laboratories | Geotechnical investigations | Tested representative rock samples to support preliminary excavation, stability, foundation, and support evaluations. | Listed in the project record |
| 2020 | Groundwater Observation-Well Installation and Monitoring | Haley & Aldrich | Geotechnical investigations | Installed and monitored groundwater observation points to establish preliminary groundwater conditions across the project area. | Listed in the project record |
| 2020 | Downhole Packer Testing | Haley & Aldrich | Geotechnical investigations | Performed downhole hydraulic testing to evaluate rock-mass permeability and inform seepage and grouting considerations. | Listed in the project record |
| 2020 | Acoustic and Optical Televiewer Surveys | Haley & Aldrich / Geophysical Subcontractor | Geotechnical investigations | Collected downhole imagery and structural-orientation data to support rock-mass characterization. | Listed in the project record |
| 2020-08-12 | Seismic Refraction Survey Report | Hager-Richter Geoscience, Inc. | Geotechnical investigations | Performed seismic-refraction surveying to evaluate subsurface velocity structure and support preliminary rock and excavation interpretations. | Listed in the project record |
| 2020-09-14 to 2020-09-15 | Field Soil Resistivity Testing | Hager-Richter Geoscience, Inc. | Geotechnical investigations | Performed field soil-resistivity measurements for electrical grounding and related design considerations. | Listed in the project record |
| 2020-09-29 | Soil Resistivity Testing Report | Hager-Richter Geoscience, Inc. | Geotechnical investigations | Documented soil-resistivity field methods, measurements, and preliminary electrical-design implications. | Listed in the project record |
| 2020-08 to 2020-09 | Aquatic Resources Field Investigation | RETTEW Associates, Inc. | Wetlands, streams, habitat, and cultural resources | Field investigation and mapping of streams, wetlands, and related aquatic resources within the study area. | Listed in the project record |
| 2020-09-21 | Wetland and Stream Investigation Memorandum | RETTEW Associates, Inc. | Wetlands, streams, habitat, and cultural resources | Documented the field investigation methods and identified aquatic-resource features for preliminary project planning. | Listed in the project record |
| 2020-09-24 | Timber Rattlesnake Habitat Evaluation Memorandum | RETTEW Associates, Inc. | Wetlands, streams, habitat, and cultural resources | Evaluated potential habitat considerations for timber rattlesnake in the project area. | Listed in the project record |
| 2020-09-30 | Cultural Resources Desktop Review and Sensitivity Study | RETTEW Associates, Inc. | Wetlands, streams, habitat, and cultural resources | Reviewed available cultural-resource information and identified preliminary sensitivity considerations for project planning. | Listed in the project record |
| 2020 | Reservoir Embankment Stability Evaluation | Haley & Aldrich / Kleinschmidt | Reservoirs and civil works | Evaluated preliminary embankment geometry, material assumptions, stability conditions, and design considerations for project reservoirs. | Listed in the project record |
| 2020 | Reservoir Settlement Evaluation | Haley & Aldrich / Kleinschmidt | Reservoirs and civil works | Evaluated preliminary settlement considerations for embankments and foundations. | Listed in the project record |
| 2020 | Reservoir Seepage and Cutoff Evaluation | Haley & Aldrich / Kleinschmidt | Reservoirs and civil works | Evaluated preliminary seepage pathways, hydraulic conductivity, cutoff and grouting concepts, and monitoring needs. | Listed in the project record |
| 2020 | Reservoir Seismic and Liquefaction Screening | Haley & Aldrich / Kleinschmidt | Reservoirs and civil works | Screened seismic loading and liquefaction-related considerations for preliminary reservoir design. | Listed in the project record |
| 2020 | Gatehouse Foundation Evaluation | Haley & Aldrich / Kleinschmidt | Reservoirs and civil works | Evaluated preliminary subsurface and foundation conditions for upper and lower gatehouse structures. | Listed in the project record |
| 2020 | Powerhouse Excavation and Rock-Support Evaluation | Haley & Aldrich / Kleinschmidt | Powerhouse and hydraulic conveyance | Evaluated preliminary excavation, rock support, lateral pressure, foundation, uplift, and instrumentation considerations for the powerhouse. | Listed in the project record |
| 2020 | Hydraulic Profile and Head-Loss Development | Kleinschmidt Associates | Powerhouse and hydraulic conveyance | Developed preliminary water-conveyance geometry, hydraulic profile, operating elevations, and head-loss considerations. | Listed in the project record |
| 2020 | Reservoir Intake and Gatehouse Hydraulic Evaluation | Kleinschmidt Associates | Reservoirs and civil works | Evaluated preliminary intake, gatehouse, conveyance, access, and operational requirements. | Listed in the project record |
| 2020 | Spillway and Reservoir Freeboard Evaluation | Kleinschmidt Associates | Reservoirs and civil works | Evaluated preliminary spillway, freeboard, water-level, and emergency-release considerations. | Listed in the project record |
| 2020 | Construction Access, Materials Handling, and Sequencing Review | Kleinschmidt Associates / Bechtel | Project delivery and constructability | Evaluated preliminary access, excavation, material reuse, site logistics, crane handling, and construction sequencing. | Available through qualified diligence |
| 2020-11-20 | Preliminary Multi-Discipline Design Package Issuance | Kleinschmidt Associates | Reservoirs and civil works | Issued coordinated civil, structural, hydraulic, architectural, mechanical, and electrical preliminary design materials. | Listed in the project record |
| 2022-04-04 | High-Level Project Risk Review | Kleinschmidt Associates | Project delivery and constructability | Summarized key technical, regulatory, commercial, schedule, and development risks for project advancement. | Available through qualified diligence |
| 2022-05-05 | Susquehanna River Basin Commission Follow-Up Consultation | SRBC / REA | Regulatory and agency consultation | Continued discussion of water quantity, water use, permitting, and follow-up information following site review. | Listed in the project record |
| 2022-05-12 | Lackawanna River Conservation Association Follow-Up on Borehole Treatment and Community Benefits | Bernie McGurl / LRCA / REA | Public meetings, site visits, and media | Documented local watershed perspectives concerning the Borehole, treatment scale, multiple AMD sources, long-term operations, residuals, and community benefits. | Listed in the project record |
| 2022-07-20 | PADEP Multi-Program PACT Consultation | PADEP / REA / Project Team | Regulatory and agency consultation | Coordinated discussion across applicable PADEP programs concerning permits, environmental reviews, and project development requirements. | Listed in the project record |
| 2022-07-29 | PADEP Multi-Program Consultation Summary | Project Team / PADEP | Regulatory and agency consultation | Documented the July 20, 2022 interprogram consultation and identified follow-up permitting and technical work. | Listed in the project record |
| 2026-05-11 | Pre-Application Document and Notice of Intent Refiling Record | Renewable Energy Aggregators | Regulatory and agency consultation | Advanced the current federal licensing record for the 184 MW, 1,840 MWh Old Forge Pumped Storage Project. | Public document |
| 2026-07-07 | Notice of Intent and Pre-Application Document Filed and Served | REA / FERC | Regulatory and agency consultation | Filed and served the current NOI and PAD for the 184 MW, 1,840 MWh project and initiated the associated public-process record. | Public document |
| 2026-08-18 | Public Filing Concerning Transmission-Corridor and Property Questions | Public commenter / FERC | Regulatory and agency consultation | Raised questions concerning possible transmission facilities, property activity, and their relationship to FERC Project No. P-15411. | Public document |
| 2026-09-02 | Public Comment Filed in P-15411 | Public commenter / FERC | Regulatory and agency consultation | Added a public comment to the current federal licensing record. | Public document |
| 2026-09-09 | Corrected Independent AC Grid and Transmission-Value Screening | Independent / REA development record | Grid and interconnection | Evaluated the effects of generation, pumping, and reactive-power settings and identified a focused utility and transmission-investment comparison. Record category: independent AC screening in REA's development record. Status: independent screening reported complete; utility validation and project-specific economic evaluation are next steps. Public record: screening summary. Supporting technical evidence: access through applicable source-data and document-access procedures. | Public summary available — see /engineering-studies#september-2026-screening |