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TIMPAGRANDE

Hydro power plant in Calabria, Italy. Approximate location 39.1756, 16.7808.

HydroCalabriaItalyconventional storage

TIMPAGRANDE is a 395 MW hydro power station in Calabria, Italy. It is operated by A2A SpA. Based on reported annual generation of 428 GWh, it can supply roughly 122k homes. It ranks #78 of 489 Italy power plants by installed capacity. Commissioned in 1932, it is around 94 years old — an older, legacy facility. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, hydro supplies about 15.8% of Italy's electricity; the national grid averages 285 gCO₂/kWh (48.8% low-carbon) (2025).

395Legacy source-record capacity
428GWh reported / yr
122,371homes powered
1932commissioned (~94 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1002965.

Data status

Known data

FacilityTIMPAGRANDE WRI
CountryItaly · Calabria WRI
Coordinates39.1756, 16.7808 WRI
FuelHydro WRI
MW installed capacity395 MW WRI source record; scope not independently normalised
OwnerA2A SpA WRI
Commissioned1932 WRI
Technologyconventional storage WRI
GWh reported / yr428 GWh/yr WRI

Calculated from dataset

Capacity rank in country#78 of 489 calculated
Fuel-specific rank in country#9 of 58 calculated
Capacity vs country/fuel peers2.99× · 132 MW median · 58 peers calculated
Homes-powered equivalent122,371 calculated from reported generation
Climate16.6°C · HDD 1,221 derived from coordinates
Environmental severityC4 · 42/100 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.

Capacity provenance

The public capacity above is the current source-record value. A 2026 tracker candidate lists 214 MW for Timpagrande hydroelectric plant, but it is not used as the public primary value until scope is verified (unit vs operating vs installed/project total).

Capacity claim grade: B_SCOPE_PARENT_COMPLEX - recommended action: build_parent_complex_model - confidence: not_comparable_without_scope. This follows a claim-based data model: value + scope + source + confidence, rather than silently overwriting records.

Data provenance

The capacity and fuel fields on this page are source-record values from the upstream open dataset. They are useful for identification and ranking, but they have not been upgraded to a 2026 registry/GEM-location verified value.

capacity: WRI Global Power Plant Database source-record (legacy); fuel: WRI source-record fuel

In context: how this plant compares

At 395 MW, TIMPAGRANDE is well above the median hydro plant in Italy (132 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.

Reported generation trend

2016: 492 GWh20162017: 428 GWh2017492 GWh

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

Owner

Operated by A2A SpA.

Local climate & thermal context

This hydro plant converts the energy of falling or flowing water through hydro turbines. It sits in a hot-summer Mediterranean climate (Köppen Csa) — Northern Hemisphere, latitude 39.2°N — which shapes how much energy it can produce and how its output varies through the year.

16.6°Cannual mean temp
1,221heating degree-days (base 18°C)
719cooling degree-days (base 18°C)
143 melevation

Monthly mean temperature

J: 9 °CJF: 10 °CFM: 11 °CMA: 13 °CAM: 18 °CMJ: 22 °CJJ: 25 °CJA: 26 °CAS: 22 °CSO: 18 °CON: 14 °CND: 10 °CD26 °C

Heating degree-days here run 50% 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: 29/100 — 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 corrosive environment (estimated ISO 9223 class C4 — High), with marine corrosion the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
42/100environmental-severity index
16.1°Cseasonal temperature swing
24 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 #9 largest hydro power plant of 58 in Italy by capacity.

Italy has 58 hydro power plants in this dataset, together about 13,593 MW of capacity.

Nearby power plants

Location

Coordinates 39.1756, 16.7808 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is TIMPAGRANDE?

TIMPAGRANDE is a 395 MW source-record hydro power plant in Calabria, Italy, commissioned in 1932.

How much electricity does TIMPAGRANDE generate?

TIMPAGRANDE generates about 428 GWh of electricity per year.

How many homes can TIMPAGRANDE power?

Its output is enough to supply roughly 122,371 homes.

Who operates TIMPAGRANDE?

TIMPAGRANDE is operated by A2A SpA.

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