- Combustion
- Operating
- 10 · 100 · 1,000 MW
Map
- Combustion
- Operating
Hilton Head: location. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Hilton Head
Power plant · Oil
Key facts
Power plant · Oilran 0% of 2025 Retiring- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 1973
- Net generation, 2025
- 79 MWh
- Grid
- 115 kV to South Carolina Public Service Authority (SC)
- Location
- Beaufort County, South Carolina
- Operated by
- South Carolina Public Service AuthoritySourceEIA-860M Preliminary Monthly Electric Generator Inventory
Output
- Oil
Details
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- Technology
- Oil source: “Petroleum Liquids”
- Age
- 53 years since 1973
All 4 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| Fuel burned (MMBtu), 2025 | 17,140 |
| Capacity factor, 2025 | 0.000 |
| Net generation (MWh), 2025 | 79 |
| Balancing authority code | SC |
Data notes (1)
- Heat rate (Btu/kWh), 2025 not shown: computed 216962.0 outside 5000-30000 Btu/kWh
Retirement
EIA-860M September 2026StatusAt least half of the plant's in-service nameplate capacity is scheduled to retire, on dates its owner has reported to EIA. As of EIA-860M for September 2026.- Next scheduled retirement
- December 2033
- Capacity scheduled to retire
- 117.9 MW
- Generators scheduled to retire
- 3
- Share of in-service capacity scheduled
- 100%
- Capacity still in service
- 117.9 MW
| Generator | Technology | Nameplate | State | Date |
|---|---|---|---|---|
| 1 | Petroleum Liquids | 26.6 MW | Scheduled to retire | December 2033 |
| 2 | Petroleum Liquids | 26.6 MW | Scheduled to retire | December 2033 |
| 3 | Petroleum Liquids | 64.7 MW | Scheduled to retire | December 2033 |
Grid
EIA-860 2025Grid fieldsAs the plant reported them to EIA-860 for 2025 (Schedule 2).- Grid voltage at the plant
- 115 kV
- Transmission or distribution system owner
- South Carolina Public Service Authority
- Balancing authority
- South Carolina Public Service Authority
- NERC region
- SERC
Transmission lines within 15 mi (1)
Can the connection be reused?
A plant that retires usually leaves its substation, transmission connection and interconnection agreement behind, and those may be reusable by a new project at the same site. FERC Order No. 845 lets an interconnection customer use surplus interconnection service at an existing site, and some transmission providers' tariffs let a replacement resource take over a retiring unit's interconnection service, usually within a set time after the retirement. Whether any such right still exists here, who holds it and on what terms depends on the owner, the transmission provider and timing; this page does not establish any of that.
Timeline
- Stated Units 1, 2, 3 scheduled to retire, 117.9 MW · EIA-860M
- In service · EIA-860M
Sources
4 sourcesSources EIA-860M · LBNL · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory
Sources
- EIA-860M
- LBNLYin, Nait Belaid & Heleno (2026), Lawrence Berkeley National Laboratory, OEDI, CC BY 4.0: A Harmonized Geospatial Dataset of U.S. Transmission Lines: Linking FERC Form 1 and HIFLD, 1994-2024. Modified by Inframation: HIFLD-side fields only, names re-cased, coordinates rounded.
- EIASource: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory