Sand Hill
Austin Energy · Travis County · ERCOT
Sand Hill Energy Center is an eight-generator natural-gas facility operated by Austin Energy in Del Valle, Texas. EIA's May 2026 inventory reports 696.4 MW nameplate, 595.8 MW net summer, and 627.8 MW net winter capability. The configuration comprises two combined-cycle generator records that entered service in September 2004 and six combustion turbines: four entered service in June 2001 and two in June 2010. Austin Energy describes Sand Hill as a 595 MW facility combining natural-gas combined-cycle and gas-turbine generation.
Overview
Key fields
- Net summer capacity
- 595.8 MW
EIA May 2026 · eight generators
- Nameplate capacity
- 696.4 MW
EIA May 2026
- Net winter capacity
- 627.8 MW
EIA May 2026
- Owner rating
- 595 MW
Austin Energy
- Generator records
- 8
2 combined-cycle · 6 combustion turbines
- Registry anchor
- Plant 7900
Austin Energy
Resource stack
- 8 resources
SANDHSYD_CC1_1 · SANDHSYD_CC1_2
Profile
- Grid role
- Municipally owned combined-cycle and peaking generation in ERCOT.
- Operating configuration
- Eight operating EIA records: two combined-cycle generators and six combustion turbines.
- Capacity scope
- EIA reports 696.4 MW nameplate, 595.8 MW net summer, and 627.8 MW net winter capability.
- Owner rating
- Austin Energy lists Sand Hill at 595 MW, matching the rounded EIA net-summer scope rather than nameplate capacity.
Structured profile
- Net summer capacity
- 595.8 MW
EIA May 2026
- Nameplate capacity
- 696.4 MW
EIA May 2026
- Net winter capacity
- 627.8 MW
EIA May 2026
- Owner and operator
- Austin Energy
EIA and Austin Energy
- Configuration
- 2 combined-cycle · 6 combustion turbines
EIA May 2026
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| 5A | 198 MW 161 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Sep 2004 | Operating |
| 5C | 190 MW 151 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CA | Sep 2004 | Operating |
| SH1 | 51.4 MW 47.3 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Jun 2001 | Operating |
| SH2 | 51.4 MW 47.3 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Jun 2001 | Operating |
| SH3 | 51.4 MW 47.3 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Jun 2001 | Operating |
| SH4 | 51.4 MW 47.3 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Jun 2001 | Operating |
| SH6 | 51.4 MW 47.3 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Jun 2010 | Operating |
| SH7 | 51.4 MW 47.3 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Jun 2010 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 388 MW
- National rank
- #329
- TX rank
- #55
Monthly generation
Download CSVMonthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
ERCOT disclosed dispatch
8 ERCOT market resources · Combined-cycle gas, Gas turbine
Generation
3 mo through May 22, 2026Capacity factor is average output vs. this plant's observed peak.
Output by hourlocal time · 90 days through May 22, 2026
Latest disclosed outputhourly · 2 weeks ending May 22, 2026
Generation from ERCOT's 60-Day SCED Disclosure (≈60-day lag), summed over this site's market resources.
Grid and market context
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Market registration
ERCOT public disclosuresOperating context
ERCOT market recordsNearby substations
HIFLD infrastructure inventoryCommercial, land, and environmental record
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Land and environmental record
Related parties and identifiers
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
Relationship graph
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Parties and identifiers
| Relationship | Entity | Basis |
|---|---|---|
| Owner | Owner for Sand Hill | |
| Operator | Operator for Sand Hill | |
| Market resources | SANDHSYD_CC1_1, SANDHSYD_CC1_2, SANDHSYD_SH1, SANDHSYD_SH2, SANDHSYD_SH3 | 8 linked ERCOT resources. |
| Grid selection | plant:plant-7900 | Canonical asset page /ercot/assets/plant/sand-hill. |
Reporting portfolio
| Largest reported plants | Capacity | State |
|---|---|---|
| Sand HillCurrent | 696.4 MW | TX |
| Decker Creek | 206 MW | TX |
| Nacogdoches Power | 114 MW | TX |
| Robert Mueller Energy Center | 4.6 MW | TX |
| Kingsberry Energy Storage System | 1.5 MW | TX |
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
View full reporting portfolioTimeline and sources
Project milestones and public references behind the asset profile.
Project timeline
- Four combustion turbines entered serviceEIA May 202...
EIA reports June 2001 for SH1 through SH4.
- Combined-cycle records entered serviceEIA May 202...
EIA reports September 2004 for 5A and 5C.
- Two additional combustion turbines entered serviceEIA May 202...
EIA reports June 2010 for SH6 and SH7.
- Latest disclosed generation interval
ERCOT SCED disclosure is delayed, so plant performance windows end at the latest disclosed interval.
Sources
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