interXdata

South Carolina Interconnection Projects

interXdata tracks 1,254 interconnection projects in South Carolina representing 125,609 MW of requested capacity. The dominant technology by capacity is Gas. The most active counties are Darlington, Anderson, Berkeley.

1,254Total projects
231Active
440Operational
571Withdrawn
125,609 MWRequested capacity
23,736 MWActive capacity

Technology mix

TechnologyProjectsRequested capacity
Gas21345,494 MW
Solar67940,958 MW
Other19719,315 MW
Battery11713,603 MW
Solar+Battery415,964 MW
Oil5205 MW
Hydro148 MW
Gas+Oil122 MW

Counties

CountyProjectsRequested capacity
Darlington774,978 MW
Anderson6910,630 MW
Berkeley5310,897 MW
Georgetown488,021 MW
Orangeburg463,655 MW
Aiken443,849 MW
Colleton426,269 MW
Richland414,534 MW
Florence402,402 MW
Greenwood392,333 MW
Fairfield395,690 MW
Williamsburg383,775 MW
Marlboro362,014 MW
Spartanburg362,536 MW
Cherokee356,424 MW
Horry331,675 MW
Newberry323,142 MW
Chester31951 MW
Union311,002 MW
Lexington311,735 MW
Chesterfield311,932 MW
Kershaw291,904 MW
Marion251,768 MW
Laurens231,216 MW
Greenville22584 MW
Beaufort21646 MW
Lee21822 MW
Calhoun202,460 MW
Oconee186,709 MW
Hampton182,091 MW
Clarendon17891 MW
Saluda161,418 MW
Barnwell161,388 MW
Jasper143,142 MW
Dillon14578 MW
Allendale14615 MW
York132,725 MW
Sumter13997 MW
Charleston10742 MW
Pickens10989 MW

Largest projects

ProjectQueue IDTechnologyCapacityStatusLocation
Duke Energy Carolinas LLC566988Battery1,680.0 MWwithdrawnOconee, South Carolina
Duke Energy Carolinas LLC957264Gas1,450.0 MWactiveAnderson, South Carolina
SC Queue Project 71 — Gas in Anderson, South Carolina71Gas1,265.0 MWwithdrawnAnderson, South Carolina
SC Queue Project 326 — Other in Fairfield, South Carolina326Other1,250.0 MWactiveFairfield, South Carolina
SC Queue Project 327 — Other in Fairfield, South Carolina327Other1,250.0 MWactiveFairfield, South Carolina
SC Queue Project 69 — Gas in Newberry, South Carolina69Gas1,212.0 MWwithdrawnNewberry, South Carolina
Catawba6036_1Other1,205.1 MWoperationalYork, South Carolina
Catawba6036_2Other1,205.1 MWoperationalYork, South Carolina
Southeast Queue Project 20180112001 — Gas in Anderson, South Carolina20180112001Gas1,200.0 MWwithdrawnAnderson, South Carolina
V C Summer6127_1Other1,029.6 MWoperationalFairfield, South Carolina
Oconee3265_3Other893.3 MWoperationalOconee, South Carolina
Oconee3265_2Other886.7 MWoperationalOconee, South Carolina
Oconee3265_1Other886.7 MWoperationalOconee, South Carolina
SC Queue Project 18 — Gas in Abbeville, South Carolina18Gas882.0 MWoperationalAbbeville, South Carolina
SC Queue Project 151 — Gas in Georgetown, South Carolina151Gas870.0 MWwithdrawnGeorgetown, South Carolina
SC Queue Project 152 — Gas in Georgetown, South Carolina152Gas870.0 MWwithdrawnGeorgetown, South Carolina
Southeast Queue Project 20200910001 — Gas in Berkeley, South Carolina20200910001Gas870.0 MWwithdrawnBerkeley, South Carolina
Duke Energy Carolina LLC - Lee CC017482Gas825.0 MWoperationalAnderson, South Carolina
Lee Steam 800 - 100 kV017105Gas800.0 MWwithdrawnAnderson, South Carolina
H B Robinson3251_2Other768.6 MWoperationalDarlington, South Carolina
SC Queue Project 320 — Gas in Aiken, South Carolina320Gas767.5 MWwithdrawnAiken, South Carolina
Masked564266Gas757.0 MWwithdrawnCherokee, South Carolina
Masked569364Gas757.0 MWwithdrawnCherokee, South Carolina
Masked020197Gas747.0 MWwithdrawnAnderson, South Carolina
Masked021177Gas741.0 MWwithdrawnCherokee, South Carolina
Southeast Queue Project 20200910002 — Gas in Berkeley, South Carolina20200910002Gas720.0 MWwithdrawnBerkeley, South Carolina
MaskedCC100000Gas711.0 MWactiveSpartanburg, South Carolina
Masked977574Gas709.9 MWwithdrawnSpartanburg, South Carolina
Williams3298_ST1Other659.7 MWoperationalBerkeley, South Carolina
Cross130_3Other652.0 MWoperationalBerkeley, South Carolina

Top developers in South Carolina

Developer (canonical)ProjectsCapacity
Duke Energy Florida, LLC448,671 MW
SCPSA297,316 MW
DESC - Generation141,654 MW
SRE240 MW
Domtar2102 MW
Lambert II2200 MW
IPCO165 MW
Landrace155 MW
Leek Holdings, LLC175 MW
RockTenn CP, LLC110 MW
Allora175 MW
Greenbow Solar Park LLC175 MW
Centerfield175 MW
Southern California Solar DBA Solar Electrical Systems1113 MW
Santee Cooper1300 MW

Recent material changes

ObservedProjectFieldOldNew
2026-08-24SC Queue Project 340 — Gas in Berkeley, South Carolinastatusactivewithdrawn
2026-08-24SC Queue Project 341 — Gas in Berkeley, South Carolinastatusactivewithdrawn
2026-08-24SC Queue Project 342 — Gas in Berkeley, South Carolinastatusactivewithdrawn
2026-08-24SC Queue Project 347 — Gas in Hampton, South Carolinastatusactivewithdrawn
2026-08-24SC Queue Project 349 — Other in Hampton, South Carolinastatusactivewithdrawn
2026-08-24SC Queue Project 336 — Gas in Georgetown, South Carolinastatusactivewithdrawn
2026-08-24SC Queue Project 335 — Gas in Georgetown, South Carolinastatusactivewithdrawn
2026-08-24SC Queue Project 320 — Gas in Aiken, South Carolinastatusactivewithdrawn
2026-08-24SC Queue Project 319 — Solar in Chesterfield, South Carolinastatusactivewithdrawn
2026-08-24SC Queue Project 318 — Solar+Battery in Laurens, South Carolinastatusactivewithdrawn
2026-08-24SC Queue Project 228 — Battery in Berkeley, South Carolinapoi_nameJAMESTOWN STATION (BERKELEY CO-OP DELIVERY POINT)JAMESTOWN STATION(BERKELEY CO-OP DELIVERY POINT)
2026-08-24SC Queue Project 209 — Solar in Kershaw, South Carolinapoi_nameCASSATT 69 KV STATION (BLACK RIVER CO-OP DELIVERY POINT)CASSATT 69 KV STATION(BLACK RIVER CO-OP DELIVERY POINT)

Explore related data

Source last checked2026-07-31
Data last materially changed2026-08-27
Page data generated2026-08-27

Provenance: duke-dec-oasis; duke-dep-oasis; U.S. EIA — Form EIA-860M generator inventory (operating + planned); Lawrence Berkeley National Laboratory — Queued Up interconnection dataset; santee-cooper-oasis. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

Get notified when a new project appears in South Carolina.

Start tracking with interXdata