Marlboro County, SC interconnection queue
5 interconnection applications are pending in Marlboro County, SC, requesting 310 MW of new generating capacity, as of 15 August 2026. 2 projects have been built here and 25 have been withdrawn since 2009.
Source: interconnection queues published by Duke. Parsed and normalised by Watt Street. Data as of 15 August 2026. A queued project is a request, not a commitment.
What is waiting in Marlboro County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Solar | 3 | 160 MW |
| Other | 2 | 150 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 2 | 126 MW | 6.2% |
| Still pending | 5 | 310 MW | 15.6% |
| Withdrawn | 25 | 1.4 GW | 78.1% |
| Suspended | 0 | — | 0.0% |
Withdrawal is the ordinary outcome of an interconnection application nationally, not a sign of a problem in this county. Most withdrawals are a developer testing a site and moving on.
The largest projects on file
| Project | Fuel | Capacity | Status | Filed | Queue |
|---|---|---|---|---|---|
| 566096 | Solar | 200 MW | withdrawn | 2022-06 | Duke |
| 184484 | Solar | 160 MW | withdrawn | 2021-07 | Duke |
| 164 | Solar | 125 MW | withdrawn | 2021-06 | S-C |
| 168 | Solar | 125 MW | withdrawn | 2021-10 | S-C |
| 898445 | Solar | 88 MW | withdrawn | 2023-06 | Duke |
| 207 | Solar | 88 MW | withdrawn | 2023-06 | S-C |
| 565074 | Solar | 75 MW | withdrawn | 2022-06 | Duke |
| 568444 | Solar | 75 MW | withdrawn | 2022-06 | Duke |
| 956538 | Solar | 75 MW | active | 2024-06 | Duke |
| 81 | Solar | 75 MW | completed | 2018-01 | S-C |
| 205718 | Solar | 75 MW | withdrawn | 2020-03 | Duke |
| 917997 | Solar | 75 MW | withdrawn | 2023-09 | Duke |
| 957368 | Solar | 75 MW | active | 2024-06 | Duke |
| 962896 | Solar | 75 MW | withdrawn | 2024-09 | Duke |
| PP00055 | Other | 75 MW | active | 2025-10 | Duke |
How this county ranks
Marlboro County ranks #768 of 1,607 US counties by capacity currently queued, and #18 of 39 in South Carolina.
Other South Carolina counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Colleton County | 19 | 5.7 GW |
| Rowan County | 4 | 2.6 GW |
| Anderson County | 18 | 1.9 GW |
| Williamsburg County | 14 | 1.2 GW |
| Darlington County | 20 | 1.2 GW |
| Berkeley County | 6 | 1.0 GW |
| Aiken County | 10 | 657 MW |
| Georgetown County | 7 | 561 MW |
Go deeper on Marlboro County
The interactive map plots every one of these applications, and a generated county report puts them in a sourced PDF with the date each figure was true on every page.
Open Marlboro County on the map County reports All of South Carolina