Kegums HPP is a 240 MW hydro power station in Kegums, Latvia. It is operated by Latvenergo AS [100%]. Based on its capacity (estimated), it can supply roughly 240k homes (estimated). It ranks #5 of 7 Latvia power plants by installed capacity. Commissioned in 1940, it is around 86 years old — an older, legacy facility. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, hydro supplies about 46.7% of Latvia's electricity; the national grid averages 139 gCO₂/kWh (73.0% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1022439.
Data status
Known data
Calculated from dataset
Not available
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
Data provenance
Source of the capacity and fuel values:
capacity: GEM · 2026 · L100000602414; fuel: WRI GPPD
In context: how this plant compares
Technically it is described as run-of-river. 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.
Key facts
- Share of Latvia hydro capacity
- 15.6% of 1,536 MW across 3 plants in this dataset
- Age among peers
- 0 of 3 dated hydro plants in Latvia are older
Calculated from the capacity and generation records in this dataset (WRI Global Power Plant Database (CC BY 4.0)).
Capacity vs largest hydro plants in Latvia
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Owner
Operated by Latvenergo AS [100%].
Local climate & thermal context
This hydro plant converts the energy of falling or flowing water through hydro turbines. It sits in a warm-summer humid continental climate (Köppen Dfb) — Northern Hemisphere, latitude 56.7°N — which shapes how much energy it can produce and how its output varies through the year.
Monthly mean temperature
Heating degree-days here run 78% above 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: 89/100 — this site sits in the top 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
This site sits in a mild atmospheric environment (estimated ISO 9223 class C2 — Low), with humidity / wetness the leading environmental stress.
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 #3 largest hydro power plant of 3 in Latvia by capacity.
Latvia has 3 hydro power plants in this dataset, together about 1,536 MW of capacity.
Nearby power plants
- Riga HPP · Hydro · 402 MW · Kekava
- Riga Tec 2 · Gas · 881 MW · Stopini
- Plavinas HPP · Hydro · 894 MW · Aizkraukles Rajons
- RTEC1 · Gas · 138 MW · Riga
- Imanta power station · Gas · 48 MW · Riga
- Panevėžys power station · Gas · 35 MW · Panevezys
Location
Coordinates 56.7405, 24.7113 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Frequently asked questions
What type of power plant is Kegums HPP?
Kegums HPP is a 240 MW hydro power plant in Kegums, Latvia, commissioned in 1940.
Who operates Kegums HPP?
Kegums HPP is operated by Latvenergo AS [100%].