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CHAPIQUINA

Hydro power plant in Arica y Parinacota, Chile. Approximate location -18.3695, -69.5469.

HydroArica y ParinacotaChile

CHAPIQUINA is a 11 MW hydro power plant in Arica y Parinacota, Chile. It is operated by E-CL S.A.. Based on its capacity (estimated), it can supply roughly 11k homes (estimated). It ranks #218 of 336 Chile power plants by installed capacity. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, hydro supplies about 22.2% of Chile's electricity; the national grid averages 289 gCO₂/kWh (66.4% low-carbon) (2025).

11Source-backed capacity
10,906homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id CHL0001019.

Data status

Known data

FacilityCHAPIQUINA WRI
CountryChile · Arica y Parinacota WRI
Coordinates-18.3695, -69.5469 WRI
FuelHydro WRI
MW installed capacity11 MW WRI source record; scope not independently normalised
OwnerE-CL S.A. WRI

Calculated from dataset

Capacity rank in country#218 of 336 calculated
Fuel-specific rank in country#52 of 99 calculated
Capacity vs country/fuel peers0.91× · 12 MW median · 99 peers calculated
Homes-powered equivalent10,906 calculated
Climate3.4°C · HDD 5,346 derived from coordinates
Environmental severityC1 · 29/100 derived from coordinates

Not available

CommissionedNot available not in dataset
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 11 MW, CHAPIQUINA is around the median hydro plant in Chile (12 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.

Capacity vs largest hydro plants in Chile

RALCO: 690 MW690RALCOPEHUENCHE: 570 MW570PEHUENCHECOLBUN: 474 MW474COLBUNPANGUE: 467 MW467PANGUEEL TORO: 450 MW450EL TORORAPEL: 377 MW377RAPELANGOSTURA: 328 MW328ANGOSTURAANTUCO: 320 MW320ANTUCO

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

Owner

Operated by E-CL S.A..

Local climate & thermal context

This hydro plant converts the energy of falling or flowing water through hydro turbines. It sits in a cold desert climate (Köppen BWk) — Southern Hemisphere, latitude 18.4°S — which shapes how much energy it can produce and how its output varies through the year.

3.4°Cannual mean temp
5,346heating degree-days (base 18°C)
0cooling degree-days (base 18°C)
4,398 melevation

Monthly mean temperature

J: 6 °CJF: 6 °CFM: 6 °CMA: 4 °CAM: 2 °CMJ: 0 °CJJ: -1 °CJA: 0 °CAS: 2 °CSO: 4 °CON: 5 °CND: 6 °CD6 °C

Heating degree-days here run 117% 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: 96/100 — 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

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)
29/100environmental-severity index
6.9°Cseasonal temperature swing
85 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 #52 largest hydro power plant of 99 in Chile by capacity.

Chile has 99 hydro power plants in this dataset, together about 6,416 MW of capacity.

Nearby power plants

Location

Coordinates -18.3695, -69.5469 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is CHAPIQUINA?

CHAPIQUINA is a 11 MW source-record hydro power plant in Arica y Parinacota, Chile.

How many homes can CHAPIQUINA power?

Its output is enough to supply roughly 10,906 homes (estimated).

Who operates CHAPIQUINA?

CHAPIQUINA is operated by E-CL S.A..

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