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Glendoe

Hydro power plant in Scotland, United Kingdom. Approximate location 57.1416, -4.6425.

HydroScotlandUnited Kingdomconventional storage

Glendoe is a 100 MW hydro power station in Scotland, United Kingdom. It is operated by Scottish and Southern Energy (SSE). Based on its capacity (estimated), it can supply roughly 100k homes (estimated). It ranks #167 of 2,860 United Kingdom power plants by installed capacity. Commissioned in 2009, it is around 17 years old — relatively modern. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, hydro supplies about 1.9% of United Kingdom's electricity; the national grid averages 217 gCO₂/kWh (64.4% low-carbon) (2025).

100Source-backed capacity
100,114homes powered (est.)
2009commissioned (~17 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id GBR0000388.

Data status

Known data

FacilityGlendoe WRI
CountryUnited Kingdom · Scotland WRI
Coordinates57.1416, -4.6425 WRI
FuelHydro WRI
MW installed capacity100 MW WRI source record; scope not independently normalised
OwnerScottish and Southern Energy (SSE) WRI
Commissioned2009 WRI
Technologyconventional storage WRI

Calculated from dataset

Capacity rank in country#167 of 2860 calculated
Fuel-specific rank in country#7 of 118 calculated
Capacity vs country/fuel peers33.33× · 3 MW median · 118 peers calculated
Homes-powered equivalent100,114 calculated
Environmental severityC3 · 22/100 derived from coordinates

Not available

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 L100000603707); fuel: WRI source-record fuel

In context: how this plant compares

At 100 MW, Glendoe is well above the median hydro plant in United Kingdom (3 MW). Technically it is described as conventional storage. 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.

Capacity vs largest hydro plants in United Kingdom

Dinorwig: 1,800 MW2kDinorwigDinorwig: 1,728 MW2kDinorwigCruachan: 440 MW440CruachanFfestiniog: 384 MW384FfestiniogFoyers: 300 MW300FoyersSloy: 153 MW153SloyGlendoe: 100 MW100GlendoeClunie: 61 MW61Clunie

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Scottish and Southern Energy (SSE). All plants by this company →

Climate zone & how it works

This hydro plant converts the energy of falling or flowing water through hydro turbines. It sits in a subpolar oceanic climate (Köppen Cfc) — Northern Hemisphere, latitude 57.1°N — which shapes how much energy it can produce and how its output varies through the year.

~7°Ctypical annual mean
~12°Ctypical warm-season mean
Subpolar oceanic: long cold winters and short, cool summers

Climate zone & typical temperatures: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

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)
22/100environmental-severity index
10.8°Cseasonal temperature swing
91 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 #7 largest hydro power plant of 118 in United Kingdom by capacity.

United Kingdom has 118 hydro power plants in this dataset, together about 5,950 MW of capacity.

Nearby power plants

Location

Coordinates 57.1416, -4.6425 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Glendoe?

Glendoe is a 100 MW source-record hydro power plant in Scotland, United Kingdom, commissioned in 2009.

How many homes can Glendoe power?

Its output is enough to supply roughly 100,114 homes (estimated).

Who operates Glendoe?

Glendoe is operated by Scottish and Southern Energy (SSE).

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