Updates & Events
Info for members about events, updates, and results
Engagement Opportunities
| Meeting | Date | Location | Information |
|---|---|---|---|
| Lightning and Grounding Task Force | March 10-13 (In-person) March 17-20 (Virtual) |
Charlotte, NC | Meeting Materials |
| EPRI Overhead Transmission Program (P35) New Supplemental Launch Webcast | April 3 2:00 pm - 3:00 pm ET |
Webcast | Meeting Materials |
| EPRI R&D Project Update Webcast: Lightning and Grounding (P35.006) | June 17 11:00-12:00 pm ET |
Webcast | Meeting Materials |
| Overhead Transmission 2026 ARP Rollout #1 | July 17 10:00 am - 11:00 pm ET |
Webcast | Meeting Material |
| Overhead Transmission 2026 ARP Rollout #2 | July 24 2:00 pm - 3:30 pm ET |
Webcast | Meeting Material |
| Lightning and Grounding Task Force | August 18-22 (In-person) August 25-29 (Virtual) |
Charlotte, NC | Meeting Materials |
| EPRI End of Year Webcast: Lightning and Grounding (P35.006) | December 4 11:00-12:00 pm ET |
Webcast | Meeting Materials |
Anticipated Deliverables
| Deliverable | Deliverable Type |
|---|---|
| Using LiDAR Data to Estimate the Shielding Failure Performance of Existing Lines: A First Test | Technical Update Report |
| Electromagnetic Survey Techniques to Estimate the Soil Resistivity: Comparison with Numerical Simulations | Technical Update Report |
| Using Ground-Penetrating Radar to Assess Existing Buried Electrodes | Technical Update Report |
| Lightning Impulse Tests on Brace Post Insulator Configurations | Technical Update Report |
| New version of TLW-Gen2: Lightning Performance and Power Frequency Grounding modules | Software |
| Lightning Performance and Grounding Reference Book (The Gray Book) | Reference Book |
| In-person Training Workshop on Transmission Line Grounding | Workshop |
2025 Deliverables
| Deliverable | Type | Date |
|---|---|---|
| Evaluation of the Simplified Risk Model for Estimating Shielding Failures | Technical Update | December 2025 |
| Review of Electromagnetic Survey Techniques to Estimate the Soil Resistivity | Technical Update | December 2025 |
| Lightning Impulse Tests on Brace Post Insulator Configurations | Technical Update | December 2025 |
| New version of TLW-Gen2: Lightning Performance and Power Frequency Grounding modules | Software | December 2025 |
| Lightning Performance and Grounding Reference Book (The Gray Book) | Reference Book | December 2025 |