Lookout Shoals

Hydro power plant in North Carolina, United States of America. Approximate location 35.7575, -81.0894.

HydroNorth CarolinaUnited States of America

Lookout Shoals is a 26 MW hydro power plant in North Carolina, United States of America. It is operated by Duke Energy Carolinas LLC. Based on reported annual generation of 143 GWh, it can supply roughly 41k homes. It ranks #4448 of 10,938 United States of America power plants by installed capacity. Commissioned in 1916, it is around 110 years old — an older, legacy facility. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, hydro supplies about 5.3% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

26Source-backed capacity
143GWh reported / yr
40,857homes powered
1916commissioned (~110 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0002726.

Data status

Known data

FacilityLookout Shoals WRI
CountryUnited States of America · North Carolina WRI
Coordinates35.7575, -81.0894 WRI
FuelHydro WRI
MW installed capacity26 MW WRI source record; scope not independently normalised
OwnerDuke Energy Carolinas LLC WRI
Commissioned1916 WRI
GWh reported / yr143 GWh/yr WRI

Calculated from dataset

Capacity rank in country#4448 of 10938 calculated
Fuel-specific rank in country#427 of 1449 calculated
Capacity vs country/fuel peers3.23× · 8 MW median · 1449 peers calculated
Homes-powered equivalent40,857 calculated from reported generation
Climate14.4°C · HDD 1,961 derived from coordinates
Environmental severityC3 · 34/100 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: Wikidata P2109 nameplate capacity; fuel: WRI source-record fuel

In context: how this plant compares

At 26 MW, Lookout Shoals is well above the median hydro plant in United States of America (8 MW). Hydropower converts the energy of falling or flowing water into electricity; output depends on rainfall and reservoir level, and large dams also provide grid balancing and storage.

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

Reported generation trend

2013: 124 GWh20132014: 96 GWh20142015: 97 GWh20152016: 87 GWh20162017: 87 GWh20172018: 163 GWh20182019: 143 GWh2019163 GWh

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

Owner

Operated by Duke Energy Carolinas LLC. All plants by this company →

Local climate & thermal context

This hydro plant converts the energy of falling or flowing water through hydro turbines. It sits in a humid subtropical climate (Köppen Cfa) — Northern Hemisphere, latitude 35.8°N — which shapes how much energy it can produce and how its output varies through the year.

14.4°Cannual mean temp
1,961heating degree-days (base 18°C)
655cooling degree-days (base 18°C)
281 melevation

Monthly mean temperature

J: 3 °CJF: 5 °CFM: 10 °CMA: 14 °CAM: 19 °CMJ: 23 °CJJ: 25 °CJA: 24 °CAS: 21 °CSO: 15 °CON: 9 °CND: 5 °CD25 °C

Heating degree-days here run 20% 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: 42/100 — this site sits in the mid 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 moderately corrosive environment (estimated ISO 9223 class C3 — Medium), with humidity / wetness the leading environmental stress.

C3ISO 9223 corrosivity (indicative)
34/100environmental-severity index
21.8°Cseasonal temperature swing
330 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 #427 largest hydro power plant of 1449 in United States of America by capacity.

United States of America has 1449 hydro power plants in this dataset, together about 102,513 MW of capacity.

Nearby power plants

Location

Coordinates 35.7575, -81.0894 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Lookout Shoals?

Lookout Shoals is a 26 MW source-record hydro power plant in North Carolina, United States of America, commissioned in 1916.

How much electricity does Lookout Shoals generate?

Lookout Shoals generates about 143 GWh of electricity per year.

How many homes can Lookout Shoals power?

Its output is enough to supply roughly 40,857 homes.

Who operates Lookout Shoals?

Lookout Shoals is operated by Duke Energy Carolinas LLC.

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