| Enterprise Wilson Storage Link | Wilson Gas Storage Facility | TX | In service 2010 | |
| Entriken Amendment Project | Texas Eastern Transmission, LP | | | |
| Epic Rose | | TX | | |
| Epl Oil & Gas coastal use permit P20150023 pipeline | Epl Oil & Gas, Inc. | LA | | |
| Equicon coastal use permit P19970996 pipeline | Equicon | LA | | |
| Equilon Enterprises coastal use permit P20010960 pipeline | Equilon Enterprises LLC | LA | | |
| Equitrans CP08-74 | Equitrans, L.P. | PA | | |
| Equitrans Expansion Project | Equitrans, L.P. | PA, WV | In service 2019 | |
| Equitrans Robert to Turner | Equitrans | OH | | |
| Equitrans, L. P. Ohio Valley Connector Expansion Project | Equitrans, L. P. | WV | | |
| Ergon Pipeline Relocation | Columbia Gas Transmission, LLC | WV | | |
| Eshore Parkesburg Expansion | Eastern Shore Parkesburg Line | PA | 2010 | |
| Essex-Middlesex Lateral Project | Tennessee Gas Pipeline Company, L.L.C. | MA | | |
| Eunice Compressor Station Replacement | ANR Pipeline Company | LA | | |
| Eunice Reliability and Lake Charles Supply Project | Gulf South Pipeline Company, LLC | LA | In service 2026 | |
| Evangeline Pass Expansion | Kinder Morgan (Tennessee Gas Pipeline / Southern Natural Gas) | LA | In service 2025 | |
| Evangeline Pass Expansion Project | Tennessee Gas Pipeline Company, L.L.C. | | | |
| Evangeline Pass Expansion Project (Phase 1) | Tennessee Gas Pipeline Company, L.L.C. | LA | In service 2024 | |
| Evangeline Pass Expansion Project (Phase 2) | Southern Natural Gas Company, L.L.C. | LA, MS | 2023–2025 | |
| Evangeline Pass Expansion Project (ferc:CP20-51) | Southern Natural Gas Company, L.L.C. | LA, MS | 2024–2025 | |
| Everett Alternative Project | Algonquin Gas Transmission, LLC | CT, MA, RI | In service 2004 | |
| Everett Delta Lateral Project | Northwest Pipeline LLC | WA | In service 2004 | |
| Evergreen Expansion Project | Northwest Pipeline LLC | WA | In service 2003 | |
| Evergy McNew Power Plant Delivery Project | Southern Star Central Gas Pipeline, Inc. | KS | | |
| Excelerate Liquefaction Solutions I PF13-1 | Excelerate Liquefaction Solutions I, LLC | | | |
| Extension of Time for Yorktown M&R Replacement & Reliability Project | Algonquin Gas Transmission, LLC | NY | In service 2022 | |
| Exxon Co USA coastal use permit P19961447 pipeline | Exxon Company USA | LA | | |
| Exxon Co USA coastal use permit P19970785 pipeline | Exxon Company USA | LA | | |
| Exxon Co USA coastal use permit P19971330 pipeline | Exxon Company USA | LA | | |
| Exxon Company USA coastal use permit P19970832 pipeline | Exxon Company USA | LA | | |