| AEP Interconnection Request AG1-410 (Solar) | Solar | OH | 5.9 yrs | 300 MW | Interconnection study | System Impact Study |
| Darrow-Riverway and Evans-Riverway 138 kV Transmission Line Project (OH OPSB Case 22-0250-EL-BTX) | Transmission | OH | 4.1 yrs | Not disclosed | Planned, approvals not yet initiated | — |
| DEOK Interconnection Request AI1-167 (Battery) | Storage | OH | 4.0 yrs | 250 MW | Interconnection study | Feasibility Study |
| AEP Interconnection Request AI2-081 (Solar) | Solar | OH | 3.5 yrs | 271 MW | Interconnection study | Feasibility Study |
| DEOK Interconnection Request AJ1-008 (Solar+Battery) | Solar | OH | 3.3 yrs | 800 MW | Interconnection study | Feasibility Study |
| Carnation Solar (OH OPSB Case 24-0881-EL-BGN) | Solar | OH | 2.0 yrs | Not disclosed | Local/state review | — |
| Elliott-Lee 138 kV Transmission Line Rebuild Project (OH OPSB Case 24-0978-EL-BTX) | Transmission | OH | 1.9 yrs | Not disclosed | Local/state review | — |
| ATSI Interconnection Request AH1-680 (Gas) | Gas | OH | 1.4 yrs | 1,300 MW | Interconnection study | System Impact Study |
| ATSI Interconnection Request AH1-711 (Gas) | Gas | OH | 1.4 yrs | 408 MW | Interconnection study | System Impact Study |
| Woodward Park North Columbus High Pressure (NCHP) System Pipeline Project (OH OPSB Case 25-0838-GA-BTX) | Pipeline | OH | 1.0 yrs | Not disclosed | Local/state review | — |
| Chestnut Run Energy Transmission Line (OH OPSB Case 25-1066-EL-BTX) | Transmission | OH | 0.8 yrs | Not disclosed | Local/state review | — |
| South Coshocton-Wooster 138 kV Transmission Line Rebuild (West Millersburg-Wooster) (OH OPSB Case 26-0128-EL-BTX) | Transmission | OH | 0.5 yrs | Not disclosed | Planned, approvals not yet initiated | — |
| Fairfield Energy Center (OH OPSB Case 26-0160-EL-BGN) | Gas | OH | 0.5 yrs | Not disclosed | Local/state review | — |
| Beatty Road-Canal Street 138 kV Transmission Line Rebuild (OH OPSB Case 26-0073-EL-BTX) | Transmission | OH | 0.5 yrs | Not disclosed | Planned, approvals not yet initiated | — |
| Ashville Energy Center (OH OPSB Case 26-196-EL-BGN) | Gas | OH | 0.5 yrs | Not disclosed | Local/state review | — |
| CPV Walker Energy Center (OH OPSB Case 26-0353-EL-BGN) | Gas | OH | 0.4 yrs | Not disclosed | Planned, approvals not yet initiated | — |
| PowerConneX New Albany 3 Energy Center (OH OPSB Case 26-361-EL-BGN) | Gas | OH | 0.4 yrs | Not disclosed | Local/state review | — |
| Baku-Gavin 765 kV Transmission Line (OH OPSB Case 26-0426-EL-BTX) | Transmission | OH | 0.4 yrs | Not disclosed | Local/state review | — |
| Barr Energy Center (OH OPSB Case 26-0498-EL-BGN) | Storage | OH | 0.4 yrs | Not disclosed | Planned, approvals not yet initiated | — |
| Neo Power Generation Facility (OH OPSB Case 26-0627-EL-BGN) | Gas | OH | 0.3 yrs | Not disclosed | Local/state review | — |
| Butterfly Meadows Solar (OH OPSB Case 26-670-EL-BGN) | Solar | OH | 0.3 yrs | Not disclosed | Planned, approvals not yet initiated | — |
| PORTS Energy Center (OH OPSB Case 26-0746-EL-BGN) | Gas | OH | 0.1 yrs | Not disclosed | Local/state review | — |
| Hanging Rock-Baku 765 kV Transmission Line (OH OPSB Case 26-0870-EL-BTX) | Transmission | OH | 0.1 yrs | Not disclosed | Planned, approvals not yet initiated | — |
| Grid Growth West Thistlewood-Beatty 345 kV Transmission Line Project (OH OPSB Case 26-0811-EL-BTX) | Transmission | OH | 0.0 yrs | Not disclosed | Planned, approvals not yet initiated | — |
| Grid Growth West Greentown-Thistlewood 765 kV Transmission Line Project (OH OPSB Case 26-0809-EL-BTX) | Transmission | OH | 0.0 yrs | Not disclosed | Planned, approvals not yet initiated | — |
| Grid Growth East Adkins-West Millersport 765 kV Transmission Line Project (OH OPSB Case 26-0813-EL-BTX) | Transmission | OH | 0.0 yrs | Not disclosed | Planned, approvals not yet initiated | — |
| Grid Growth East Conesville-Guernsey 765 kV Transmission Line Project (OH OPSB Case 26-0812-EL-BTX) | Transmission | OH | 0.0 yrs | Not disclosed | Planned, approvals not yet initiated | — |
| Grid Growth West Thistlewood-Marysville 765 kV Transmission Line Project (OH OPSB Case 26-0810-EL-BTX) | Transmission | OH | 0.0 yrs | Not disclosed | Planned, approvals not yet initiated | — |
| Borealis Project (Texas Gas Transmission) | Pipeline | OH | — | 2,000 MMcf/d | Planned, approvals not yet initiated | — |
| Carnation Project (Texas Gas Transmission (Boardwalk)) | Pipeline | OH | — | 170 MMcf/d | Agency permitting | — |
| Dearborn County Lateral (Texas Gas Transmission LLC) | Pipeline | IN,KY,OH | — | 265 MMcf/d | Agency permitting | — |
| Clarington Connector (EQT Corp.) | Pipeline | OH,PA | — | 400 MMcf/d | Planned, approvals not yet initiated | — |
| Crossroads Expansion Project (Crossroads Pipeline Co. (TC Energy)) | Pipeline | OH,IN | — | 1,500 MMcf/d | Planned, approvals not yet initiated | — |
| Aspire Energy Express (Aspire Energy Express LLC) | Pipeline | OH | — | 300 MMcf/d | Planned, approvals not yet initiated | — |
| Northern Loop Project (Columbia Gas of Ohio) | Pipeline | OH | — | Not disclosed | Agency permitting | — |
| NKY Gate Enhancement Project (TC Energy (Columbia Gas Transmission)) | Pipeline | KY,OH | — | 0 MMcf/d | Agency permitting | — |
