Grid connection · Adams County, Ohio, United States
Stuart - Don Marquis 345 kV grid connection (PJM C01-1734)
Stuart - Don Marquis 345 kV grid connection (PJM C01-1734) is a planned grid connection in Adams County, Ohio, United States, with 300 MW of capacity, held by Oklo Power LLC.
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Location | Adams County (connects at Stuart - Don Marquis 345 kV) | PJM New Services Queue · Free reuse · checked 24 Oct 2026 |
| Status | Planned (active, cluster C01 Phase 1) | PJM New Services Queue · Free reuse · checked 24 Oct 2026 |
| Holder | Oklo Power LLC | PJM New Services Queue · Free reuse · checked 24 Oct 2026 |
| Capacity | 300 MW | PJM New Services Queue · Free reuse · checked 24 Oct 2026 |
| Technology | Nuclear (registered as Nuclear) | PJM New Services Queue · Free reuse · checked 24 Oct 2026 |
| Grid operator | PJM Interconnection, L.L.C. | PJM New Services Queue · Free reuse · checked 24 Oct 2026 |
| Queue date | 27 Apr 2026 | PJM New Services Queue · Free reuse · checked 24 Oct 2026 |
| Connection date | 1 Jan 2030 (proposed) | PJM New Services Queue · Free reuse · checked 24 Oct 2026 |
Research on this grid connection and its holder.Who holds it up to the parent company, the project behind it and its connection date, and an introduction to the holder.
Request researchHow it compares
Stuart - Don Marquis 345 kV grid connection (PJM C01-1734) is the 37th-largest of 216 grid connections in Ohio and the 745th-largest of 3,711 in the United States by capacity; its 300 MW is <0.1% of the 833,233 MW we hold for the United States. Ranks and totals cover the grid connections in our data that report their capacity, not every one in existence.
| Within | Rank | Total | Share |
|---|---|---|---|
| Ohio | 37th of 216 | 44,307 MW | 0.68% |
| United States | 745th of 3,711 | 833,233 MW | <0.1% |
| All grid connections in our data | 1,052nd of 7,616 | 1,281,251 MW | <0.1% |
Timeline
Dated facts about this grid connection from its sources, oldest first.
- Entered the connection queue
- Due to connect
Holder, grid operator and place
More from Oklo Power LLC
Other grid connections in Ohio
- Marysville - Flatlick 765 kV grid connection (PJM C01-1673)2,040 MW
- Fayette - Atlanta 345 kV grid connection (PJM C01-1092)1,465 MW
- Sammis - South Canton 345 kV grid connection (PJM AH1-680 - moved to TC2)1,300 MW
- Sammis - South Canton 345 kV grid connection (PJM AH1-680)1,300 MW
- W. Millersport 345 kV grid connection (PJM C01-2246)1,300 MW
- Ohio Central 345 kV grid connection (PJM C01-1886)1,000 MW
- Beaver Valley - Hanna 345 kV & Bruce Mansfield - Hanna 345 kV grid connection (PJM C01-1950)976 MW
- Beaver Valley - Hanna 345 kV & Bruce Mansfield - Hanna 345 kV grid connection (PJM C01-1951)976 MW
Data on this page
- California ISO. Checked 2026-10-24. CAISO queue report, CAISO Privacy and Terms of Use.
- SP Electricity North West, via Northern Powergrid Open Data. SP Electricity North West open data portal, CC BY 4.0.
- ERCOT GIS report. ERCOT GIS report, ERCOT Terms of Use.
- Supported by National Energy SO Open Data. NESO TEC Register, NESO Open Data Licence v1.0.
- Supported by Northern Powergrid Open Data. Northern Powergrid open data portal, Northern Powergrid Open Data Licence v1.0.
- NYISO interconnection queue. NYISO interconnection queue, Free reuse.
- PJM New Services Queue. PJM New Services Queue, Free reuse.
- SP Energy Networks, via Northern Powergrid Open Data. SP Energy Networks open data portal, CC BY 4.0.
- SSEN Distribution. SSEN Distribution data portal, CC BY 4.0.