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Stephens Ranch Wind Energy LLC

Wind power plant in Texas, United States of America. Approximate location 32.9264, -101.6478.

WindTexasUnited States of America

Stephens Ranch Wind Energy LLC is a 376 MW wind power station in Texas, United States of America. It is operated by Stephens Ranch Wind Energy LLC. Based on reported annual generation of 1,297 GWh, it can supply roughly 371k homes. It ranks #1472 of 10,938 United States of America power plants by installed capacity. Commissioned in 2015, it is around 11 years old — relatively modern. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, wind supplies about 10.3% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

376Source-backed capacity
1,297GWh reported / yr
370,514homes powered
2015commissioned (~11 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0057983.

Data status

Known data

FacilityStephens Ranch Wind Energy LLC WRI
CountryUnited States of America · Texas WRI
Coordinates32.9264, -101.6478 WRI
FuelWind WRI
MW installed capacity376 MW WRI source record; scope not independently normalised
OwnerStephens Ranch Wind Energy LLC WRI
Commissioned2015 WRI
GWh reported / yr1,297 GWh/yr WRI

Calculated from dataset

Capacity rank in country#1472 of 10938 calculated
Fuel-specific rank in country#12 of 1139 calculated
Capacity vs country/fuel peers5.55× · 68 MW median · 1139 peers calculated
Homes-powered equivalent370,514 calculated from reported generation
Climate16.9°C · HDD 1,448 derived from coordinates
Environmental severityC1 · 41/100 derived from coordinates

Not available

TechnologyNot available not in dataset
GWh reported / yrNot available not in dataset
CO₂ emissionsnot applicable not applicable

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

The capacity and/or fuel fields on this page include a source-backed provenance label from GEM, an official registry, Wikidata, OSM, or a cross-source match.

capacity: GEM tracker 2026 (location L100000907274); fuel: WRI source-record fuel

In context: how this plant compares

At 376 MW, Stephens Ranch Wind Energy LLC is well above the median wind plant in United States of America (68 MW). Wind turbines convert moving air into electricity; output is variable and site-dependent, and modern turbines deliver some of the lowest-cost new generation on many grids.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Reported generation trend

2014: 75 GWh20142015: 1,001 GWh20152016: 1,364 GWh20162017: 1,360 GWh20172018: 1,329 GWh20182019: 1,297 GWh20191k GWh

Annual generation (GWh), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Stephens Ranch Wind Energy LLC.

Local climate & thermal context

This wind plant converts the kinetic energy of wind into electricity through turbine rotors. It sits in a cold semi-arid steppe climate (Köppen BSk) — Northern Hemisphere, latitude 32.9°N — which shapes how much energy it can produce and how its output varies through the year.

16.9°Cannual mean temp
1,448heating degree-days (base 18°C)
1,074cooling degree-days (base 18°C)
777 melevation

Monthly mean temperature

J: 5 °CJF: 8 °CFM: 12 °CMA: 17 °CAM: 22 °CMJ: 26 °CJJ: 28 °CJA: 27 °CAS: 23 °CSO: 18 °CON: 11 °CND: 7 °CD28 °C

Heating degree-days here run 41% below the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.

Climate heat-demand index: 33/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

Site climate & environmental severity

For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in a benign, low-corrosion environment (estimated ISO 9223 class C1 — Very low), with dust abrasion the leading environmental stress.

C1ISO 9223 corrosivity (indicative)
41/100environmental-severity index
22.3°Cseasonal temperature swing
695 kmdistance to coast

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby plants

The #12 largest wind power plant of 1139 in United States of America by capacity.

United States of America has 1139 wind power plants in this dataset, together about 104,873 MW of capacity.

Nearby power plants

Location

Coordinates 32.9264, -101.6478 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Stephens Ranch Wind Energy LLC?

Stephens Ranch Wind Energy LLC is a 376 MW source-record wind power plant in Texas, United States of America, commissioned in 2015.

How much electricity does Stephens Ranch Wind Energy LLC generate?

Stephens Ranch Wind Energy LLC generates about 1,297 GWh of electricity per year.

How many homes can Stephens Ranch Wind Energy LLC power?

Its output is enough to supply roughly 370,514 homes.

Who operates Stephens Ranch Wind Energy LLC?

Stephens Ranch Wind Energy LLC is operated by Stephens Ranch Wind Energy LLC.

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