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Transmission and Substations
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P34 Asset Management Analytics
P35 Overhead Transmission
P36 Underground Transmission
P37 Substations
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Underground Transmission
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Underground Transmission
Research Result Summaries
Underground Transmission
2025 Research Plans
Design, Construction, Operation Maintenance of Underground Transmission Systems
Overview & Events
Research Status & Deliverables
Research & Technical Content
Research Result Summaries
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Extruded Dielectric Cable Systems
Laminar Dielectric Cable Systems
Principles and Practices of Underground Transmission
HVDC Cable and HVAC Submarine Cable Systems
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Underground Transmission
Design, Construction, Operation Maintenance of Underground Transmission Systems
Research & Technical Content
Research Result Summaries
Research Result Summaries
Latest results from ongoing tasks
Project Updates
Reliable Performance of Transmission Cable Accessories
EPRI Multi-Stress Aging Tests of Extruded Cable Outdoor Terminations with Composite Insulator
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Underground Transmission Workstation: Functional and Technical Enhancements and Developments
Underground Transmission Workstation (UTW) - Overview and Latest Developments
UTW Workshop - Ampacity Module
UTW Workshop - Magnetic Fields
UTW Workshop - Pulling Tension Module
UTW Workshop – Induction Module
UTW Workshop – Vault Module
UTW Workshop - NSPAN Module
UTW-DC Workshop - UTW-DC Module
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Pipe-Type to Extruded Dielectric Cable Conversion—Technology, Design, and Construction Options
Evaluation of Options for Transmission Pipe-Type to Extruded Dielectric Cable Conversion
Mechanical Bending Aging Tests of 115 kV EPRI Extruded Pipe-Type Cable
NSPAN Thermo-Mechanical Force Calculations for Pilot Installation of EPRI Retrofit Cables
EPRI Retrofit Cable Joint Tests Results
Steel Pipe Loss Measurements – Test Rig Construction Update
Corrosion Test of Steel Pipe in Polywater NN
Material Compatibility Tests of DF 500 and HDPE
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Underground Transmission Vault Inspection Using Robotic Techniques
Demonstrations of Robotic Inspection Techniques for Underground Transmission Manhole using 360 Camera and Tripod - Utility Site Inspections
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Forensic Analyses for Underground Transmission Cables and Accessories
BG&E Forensic Analysis of 115kV Extruded Cable Termination
SRP Forensic Analysis of 69-kV XLPE Cable Heat Shrink, Composite, and Porcelain Terminations
Investigation of Lead Sheath Cracking of Extruded Dielectric Transmission Cables of BG&E
PSE&G Forensic Analysis of 230kV XLPE Cable Composite Termination
BG&E Forensic Analysis of 115kV XLPE Cable Joints
AEP Forensic Analysis of 138kV XLPE Cable Joints
First Energy Forensic Analysis of 138kV Termination
APS Splice Failure Analysis
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