King Mountain Wind Ranch 1
NextEra Energy Resources · Upton County · ERCOT
King Mountain Wind Ranch is an early utility-scale wind project in Upton County, Texas. EIA's May 2026 inventory reports one 278 MW operating generator under Plant ID 55581; Cielo Wind rates the full project at 279 MW. Cielo reports commercial operation in December 2001, 214 Bonus Energy 1.3 MW turbines, four 138 kV substations, and an 18.3-mile transmission line. NextEra Energy Resources is the majority owner.
Overview
Key fields
- EIA capacity
- 278 MW
EIA May 2026
- Company rating
- 279 MW
Cielo Wind
- Turbines
- 214
Bonus Energy 1.3 MW
- Commercial operation
- Dec 2001
Cielo Wind
- Settlement points
- 2
KINGE_ALL · KINGW_ALL
- Registry anchor
- Plant 55581
FPL Energy Upton Wind LP
Resource stack
- 4 resources
KING_NE_KINGNE · KING_NW_KINGNW
Profile
- Grid role
- Utility-scale West Texas wind generation.
- Capacity scope
- 278 MW in EIA; 279 MW on Cielo Wind's project page.
- Equipment
- 214 Bonus Energy 1.3 MW turbines.
- Interconnection
- Four 138 kV substations and an 18.3-mile transmission line.
Structured profile
- EIA capacity
- 278 MW
EIA May 2026
- Company rating
- 279 MW
Cielo Wind
- Majority owner
- NextEra Energy Resources
Cielo Wind
- Developer
- Texas Wind Power
Cielo Wind affiliate
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| EXIS | 278 MW 278 MW summer | Onshore Wind Turbine Wind · WT | Jun 2001 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 278 MW
- National rank
- #113
- TX rank
- #38
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
4 ERCOT market resources · Wind
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
Drag organizations to explore the network. Select a node to pin its details and available page link.
Parties and identifiers
| Relationship | Entity | Basis |
|---|---|---|
| Project company and EIA registered operator | FPL Energy Upton Wind LP | EIA May 2026 generator inventory |
| Majority owner | Cielo King Mountain project | |
| Developer and Cielo Wind affiliate | Texas Wind Power | Cielo King Mountain project |
| EPC contractor | Virtus Construction | Cielo King Mountain project |
| Power purchaser | Cielo King Mountain project | |
| Power purchaser | Reliant Energy | Cielo King Mountain project |
| Market resources | KING_NE_KINGNE, KING_NW_KINGNW, KING_SE_KINGSE, KING_SW_KINGSW | Linked ERCOT resources. |
| Grid selection | plant:plant-55581 | Canonical asset page /ercot/assets/plant/king-mountain-wind-ranch-1. |
Reporting portfolio
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
Timeline and sources
Project milestones and public references behind the asset profile.
Project timeline
- Generator enters operationEIA-860
EIA-860 lists generator EXIS with this operating date.
- Project entered commercial operationCielo King ...
Cielo Wind reports December 2001 commercial operation.
- Latest disclosed generation interval
ERCOT SCED disclosure is delayed, so plant performance windows end at the latest disclosed interval.
Sources
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