| Hardinsburg Replacement Project | Texas Gas Transmission, LLC | KY | | |
| Hardy Storage CP05-151 | Hardy Storage | WV | In service 2007 | |
| Harland Ridge Loop Pipeline | Appalachia Midstream Services, L.l.c. | WV | | |
| Harrison Central to Lake and Larew South | | OH | | |
| Harrison County Power Project | Natural Gas Pipeline Company of America LLC | | | |
| Harrison Pipeline Amendment Project | Harrison Pipeline Company LLC | OH | | |
| Harrison Pipeline OPSB case 18-0073-GA-BLN | Harrison Pipeline Company LLC | OH | | |
| Hartsville Compressor Station | East Tennessee Natural Gas, LLC | TN | Started 2025 | |
| Harvest Midstream coastal use permit P20140399 pipeline | Harvest Midstream Company | LA | | |
| Harvest Midstream coastal use permit P20170614 pipeline | Harvest Midstream Company | LA | | |
| Harvest Midstream coastal use permit P20180973 pipeline | Harvest Midstream Company | LA | | |
| Harvest Midstream coastal use permit P20180975 pipeline | Harvest Midstream Company | LA | | |
| Harvest Midstream coastal use permit P20190164 pipeline | Harvest Midstream Company | LA | | |
| Harvest Midstream coastal use permit P20190589 pipeline | Harvest Midstream Company | LA | | |
| Harvest Midstream coastal use permit P20191226 pipeline | Harvest Midstream Company | LA | | |
| Harvest Midstream coastal use permit P20210510 pipeline | Harvest Midstream Company | LA | | |
| Harvest Midstream coastal use permit P20220288 pipeline | Harvest Midstream Company | LA | | |
| Harvest Midstream coastal use permit P20220768 pipeline | Harvest Midstream Company | LA | | |
| Harvest Pipeline coastal use permit P20050783 pipeline | Harvest Pipeline Company | LA | | |
| Harvest Pipeline coastal use permit P20071423 pipeline | Harvest Pipeline Company | LA | | |
| Harvest Pipeline coastal use permit P20141013 pipeline | Harvest Pipeline Company | LA | | |
| Harvest Pipeline coastal use permit P20160235 pipeline | Harvest Pipeline Company | LA | | |
| Harvest Pipeline coastal use permit P20170097 pipeline | Harvest Pipeline Company | LA | | |
| Harvest Pipeline coastal use permit P20170292 pipeline | Harvest Pipeline Company | LA | | |
| Harvest Pipeline coastal use permit P20180151 pipeline | Harvest Pipeline Company | LA | | |
| Haught LP Pipeline | Antero Midstream LLC | WV | | |
| Haughton Compressor Station | Regency Intrastate Gas LP | LA | | |
| Haughton Compressor Station T-1 Turbine Proj | Texas Gas Transmission, LLC | LA | 2006 | |
| Haverhill Project | Maritimes & Northeast Pipeline | MA | In service 2006 | |
| Haviland Lateral | Panhandle Energy | OH | | |