Electric Substations in North Carolina
106 named substations in North Carolina, with the highest-voltage facilities listed first. Each substation profile shows voltage class, connected transmission lines, and the datacenter candidate sites closest to it.
At a glance
How is North Carolina's substation network split by voltage?
By maximum voltage, the named substations break down as 10 at 500 kV and above; 54 at 230–344 kV; 23 at 115–229 kV; 8 at 69–114 kV; 1 below 69 kV; 10 withvoltage not recorded. 9% of North Carolina's named substations operate at 345 kV or above, against 8% across all 16,654 named US substations. The state median of 230 kV is above the national median of 115 kV.
How does North Carolina compare with other states?
North Carolina ranks 34th of 50 states and DC by number of named substations and 39th by named substations at 345 kV or above. It also has 2,778 scored datacenter candidate sites with an average DC Readiness score of 55.1 (national average 53), and an average power sub-score of 42.2 against 37.4 nationally. Most of those sites (2,641) are in the SERC market.
Which substations in North Carolina have the highest voltage?
| Substation | Max voltage | Connected lines | Line owner |
|---|---|---|---|
| ANTIOCH | 500 kV | 6 | DUKE ENERGY CAROLINAS, LLC |
| CUMBERLAND | 500 kV | 6 | PROGRESS ENERGY CAROLINAS INC |
| DURHAM | 500 kV | 8 | — |
| MAYO | 500 kV | 3 | — |
| MCGUIRE | 500 kV | 22 | DUKE ENERGY CAROLINAS, LLC |
| PERSON | 500 kV | 9 | DUKE ENERGY PROGRESS - (NC) |
| PLEASANT GARDEN | 500 kV | 4 | — |
| RICHMOND | 500 kV | 12 | PROGRESS ENERGY CAROLINAS INC |
| WAKE | 500 kV | 7 | DUKE ENERGY PROGRESS - (NC) |
| WOODLEAF SWITCHING STATION | 500 kV | 3 | — |
| 230-KV WEST | 230 kV | 5 | — |
| ALLEN | 230 kV | 10 | DUKE ENERGY CAROLINAS, LLC |
| ASHEBORO | 230 kV | 6 | DUKE ENERGY PROGRESS - (NC) |
| BARNARD CREEK | 230 kV | 7 | PROGRESS ENERGY CAROLINAS INC |
| BISCOE | 230 kV | 6 | DUKE ENERGY PROGRESS - (NC) |
| CANE RIVER | 230 kV | 7 | — |
| CLIFFSIDE | 230 kV | 18 | DUKE ENERGY CAROLINAS, LLC |
| CLINTON | 230 kV | 6 | PROGRESS ENERGY CAROLINAS INC |
| CRAGGY | 230 kV | 7 | — |
| DELCO | 230 kV | 10 | PROGRESS ENERGY CAROLINAS INC |
| EARLEYS | 230 kV | 7 | VIRGINIA ELECTRIC & POWER CO |
| ENO | 230 kV | 16 | — |
| ERWIN | 230 kV | 7 | PROGRESS ENERGY CAROLINAS INC |
| EVERETTS | 230 kV | 7 | VIRGINIA ELECTRIC & POWER CO |
| FAYETTEVILLE | 230 kV | 15 | PROGRESS ENERGY CAROLINAS INC |
| FAYETTEVILLE EAST | 230 kV | 8 | DUKE ENERGY PROGRESS - (NC) |
| GREENVILLE | 230 kV | 9 | DUKE ENERGY PROGRESS - (NC) |
| HARRISBURG | 230 kV | 16 | DUKE ENERGY CAROLINAS, LLC |
| HAVELOCK | 230 kV | 8 | PROGRESS ENERGY CAROLINAS INC |
| JACKSONVILLE | 230 kV | 6 | PROGRESS ENERGY CAROLINAS INC |
| JONESBORO | 230 kV | 1 | DUKE ENERGY PROGRESS - (NC) |
| LAURINBURG | 230 kV | 7 | DUKE ENERGY PROGRESS - (NC) |
| LEE | 230 kV | 17 | PROGRESS ENERGY CAROLINAS INC |
| LINCOLN | 230 kV | 6 | DUKE ENERGY CAROLINAS, LLC |
| LONGVIEW | 230 kV | 21 | DUKE ENERGY CAROLINAS, LLC |
| MACKEYS | 230 kV | 3 | VIRGINIA ELECTRIC & POWER CO |
| MARSHALL STEAM STATION | 230 kV | 16 | DUKE ENERGY CAROLINAS, LLC |
| MCDOWELL | 230 kV | 9 | DUKE ENERGY CAROLINAS, LLC |
| MITCHELL RIVER | 230 kV | 17 | DUKE ENERGY CAROLINAS, LLC |
| MOREHEAD WILDWOOD | 230 kV | 4 | PROGRESS ENERGY CAROLINAS INC |
| MT. OLIVE | 230 kV | 4 | PROGRESS ENERGY CAROLINAS INC |
| NEW BERN | 230 kV | 9 | PROGRESS ENERGY CAROLINAS INC |
| OAKBORO | 230 kV | 12 | DUKE ENERGY CAROLINAS, LLC |
| PEACOCK | 230 kV | 12 | DUKE ENERGY CAROLINAS, LLC |
| PISGAH | 230 kV | 14 | DUKE ENERGY CAROLINAS, LLC |
| PLEASANT GARDEN | 230 kV | 18 | — |
| RAEFORD | 230 kV | 7 | DUKE ENERGY PROGRESS - (NC) |
| ROCKINGHAM | 230 kV | 13 | PROGRESS ENERGY CAROLINAS INC |
| ROXBORO PLANT STATION | 230 kV | 16 | DUKE ENERGY PROGRESS - (NC) |
| SHAWBORO | 230 kV | 5 | VIRGINIA ELECTRIC & POWER CO |
| SHELBY TIE | 230 kV | 15 | DUKE ENERGY CAROLINAS, LLC |
| SILER CITY | 230 kV | 3 | — |
| SLIGO | 230 kV | 4 | VIRGINIA ELECTRIC & POWER CO |
| STAMEY | 230 kV | 12 | DUKE ENERGY CAROLINAS, LLC |
| TROWBRIDGE | 230 kV | 5 | VIRGINIA ELECTRIC & POWER CO |
| TUCKASEGEE TIE | 230 kV | 5 | DUKE ENERGY CAROLINAS, LLC |
| WALLACE | 230 kV | 7 | PROGRESS ENERGY CAROLINAS INC |
| WEATHERSPOON PLANT STATION | 230 kV | 6 | PROGRESS ENERGY CAROLINAS INC |
| WEST END | 230 kV | 6 | PROGRESS ENERGY CAROLINAS INC |
| WHITEVILLE | 230 kV | 5 | PROGRESS ENERGY CAROLINAS INC |
Every named substation in North Carolina
All 106 named substations, grouped by voltage band.
500 kV and above · 10
230–344 kV · 54
- 230-KV WEST
- ALLEN
- ASHEBORO
- BARNARD CREEK
- BISCOE
- CANE RIVER
- CLIFFSIDE
- CLINTON
- CRAGGY
- DELCO
- EARLEYS
- ENO
- ERWIN
- EVERETTS
- FAYETTEVILLE
- FAYETTEVILLE EAST
- GREENVILLE
- HARRISBURG
- HAVELOCK
- JACKSONVILLE
- JONESBORO
- LAURINBURG
- LEE
- LINCOLN
- LONGVIEW
- MACKEYS
- MARSHALL STEAM STATION
- MCDOWELL
- MITCHELL RIVER
- MOREHEAD WILDWOOD
- MT. OLIVE
- NEW BERN
- OAKBORO
- PEACOCK
- PISGAH
- PLEASANT GARDEN
- RAEFORD
- ROCKINGHAM
- ROXBORO PLANT STATION
- SHAWBORO
- SHELBY TIE
- SILER CITY
- SLIGO
- STAMEY
- TROWBRIDGE
- TUCKASEGEE TIE
- WALLACE
- WEATHERSPOON PLANT STATION
- WEST END
- WHITEVILLE
- WINFALL
- WOMMACK
- WOODLAWN
- WOODRUFF STREET
115–229 kV · 23
below 69 kV · 1
Frequently asked questions
How many electric substations are in North Carolina?
HIFLD records 3,209 substations in North Carolina, of which 106 carry a station name. That is the 34th-most named substations of any state in the dataset.
What is the highest-voltage substation in North Carolina?
10 named substations in North Carolina share the top voltage of 500 kV, including ANTIOCH, CUMBERLAND, DURHAM.
Which substation in North Carolina connects the most transmission lines?
MCGUIRE has the most connected transmission lines of the named substations listed here, with 22 at up to 500 kV.
How many substations in North Carolina are 345 kV or higher?
10 of 106 named substations (9%) operate at 345 kV or above, compared with 8% nationally. North Carolina ranks 39th of 50 states and DC for named substations at that level.
How many datacenter candidate sites in North Carolina are at substations?
1,087 of the 2,778 scored candidate sites in North Carolina are substation sites — locations generated at an existing substation. Scored sites across North Carolina average 55.1 on the 0–100 DC Readiness scale, against 53 nationally.
Looking for a specific record? The directory lists every substation in North Carolina, A to Z.
More on North Carolina, and states with similar counts
About this data
Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Electric substations in North Carolina”, https://gridcensus.com/substations/north-carolina (data as of June 29, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for substations in North Carolina is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.