Data centers and new power in South Carolina

19.8 GW of new power is waiting to connect to the grid in South Carolina — 194 requests across 39 counties. That is the 18th largest amount of any state. 41 projects are built, 478 withdrawn. Data as of 14 October 2026.

The power picture

What is happening with electricity in South Carolina

Every new power plant, battery or big customer has to join a waiting list before it can plug into the grid. This is what that list looks like in South Carolina right now.

19.8 GW
of new power is waiting to connect
194 projects asked. Not yet approved. Roughly what 15.9 million homes use.
6.9 GW
has actually been built
41 projects switched on so far.
478
projects gave up
Withdrawn before being built. Normal nationally.

Where every request ever filed here ended up

  • Built 6%
  • Still waiting 27%
  • Withdrawn 67%
  • Paused 0%

Most requests in the US are withdrawn — a developer tests a site and moves on. That is normal, not a warning sign for South Carolina.

What kind of power is asking to connect

  • Natural gas 43%
  • Solar 42%
  • Batteries 11%
  • Other 3%
  • Hydro 1%
  • Nuclear 0%

By capacity requested. Data as of 14 October 2026.

All the numbers

714 requests ever filed
Waiting to connect
194
of 714 ever filed
Capacity requested
19.8 GW
asked for, not approved
Already built
6.9 GW
41 switched on
Built vs decided
7.9%
478 withdrawn
Counties involved
39
with five or more requests
Big new power users
none recorded
0 requests

Source: the interconnection queues of every transmission provider operating in South Carolina. Parsed and normalised by Watt Street. Data as of 14 October 2026. A queued project is a request, not a commitment.

Waiting to connect, by type of power

TypeProjectsCapacity requested
Natural gas498.5 GW
Solar1158.3 GW
Batteries192.2 GW
Other8537 MW
Hydro2160 MW
Nuclear140 MW

Who runs the waiting list in South Carolina

Grid operator or utilityRequestsCapacity pending
S-C3179.6 GW
Duke2796.2 GW
Dominion1184.1 GW

Counties in South Carolina

39 with power on the waiting list

Every county with at least five requests on file. Open one to check an address, or see the schools near any mapped data center.

CountyWaitingCapacity queuedAlready built
Colleton County195.7 GW0 MW
Rowan County42.6 GW0 MW
Anderson County181.9 GW0 MW
Williamsburg County141.2 GW0 MW
Darlington County201.2 GW2 MW
Berkeley County61.0 GW2.9 GW
Aiken County10657 MW75 MW
Georgetown County7561 MW1.4 GW
Hampton County6550 MW0 MW
Marion County10535 MW2 MW
Orangeburg County6452 MW0 MW
Lee County4410 MW0 MW
Chesterfield County6401 MW75 MW
Dorchester County2398 MW20 MW
Richland County3376 MW75 MW
Saluda County3335 MW0 MW
Chester County6312 MW0 MW
Marlboro County5310 MW126 MW
Newberry County2271 MW0 MW
Charleston County2263 MW0 MW
Greenwood County6253 MW0 MW
Jasper County2234 MW75 MW
Barnwell County3224 MW0 MW
Sumter County1200 MW0 MW
Fairfield County4167 MW318 MW

Key dates for projects here

no dated windows published
QueueWhat closesClosesStanding
FERCFERC large-load show cause — stakeholder comments on RTO responses
Comments on the six RTO/ISO responses to the FPA section 206 show-cause orders of 18 June 2026 (PJM EL26-67, SPP EL26-68, NYISO EL26-69, MISO EL26-70…
No date published yetunconfirmed source
FERCFERC RM26-4 — generic large-load rulemaking
Still at ANOPR stage.
No date published yetconfirmed source
FERCGeorgia PSC - Georgia Power must file large-load contracts 30 days before execution
A standing obligation rather than a dated one: large-load contracts must be filed with the commission at least 30 days before they are executed.
No date published yetconfirmed source

A date marked confirmed was checked by a person against the authority's own tariff, order or form page. Anything else is listed so you know it exists, with a link so you can check it yourself. Full calendar.

Data center campuses recorded in South Carolina

1 listed
CampusOperatorReported demand
Meta AikenMeta69 MW

Tagged as a data center by our classification, not by the operator’s own statement. Only campuses with coordinates can be mapped.

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