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MANTOS BLANCOS

Oil power plant in Antofagasta, Chile. Approximate location -23.445, -70.0758.

OilAntofagastaChile

MANTOS BLANCOS is a 28 MW oil power plant in Antofagasta, Chile. It is operated by MINERA MANTOS BLANCOS. Based on its capacity (estimated), it can supply roughly 21k homes (estimated). It ranks #167 of 336 Chile power plants by installed capacity. In context, oil supplies about 0.6% of Chile's electricity; the national grid averages 289 gCO₂/kWh (66.4% low-carbon) (2025).

28Legacy source-record capacity
20,948homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id CHL0000010.

Data status

Known data

FacilityMANTOS BLANCOS WRI
CountryChile · Antofagasta WRI
Coordinates-23.445, -70.0758 WRI
FuelOil WRI
MW installed capacity28 MW WRI source record; scope not independently normalised
OwnerMINERA MANTOS BLANCOS WRI

Calculated from dataset

CO₂ emissions54,991 t CO₂/yr calculated
Capacity rank in country#167 of 336 calculated
Fuel-specific rank in country#29 of 78 calculated
Capacity vs country/fuel peers2.47× · 11 MW median · 78 peers calculated
Homes-powered equivalent20,948 calculated
Climate16.8°C · HDD 627 derived from coordinates
Environmental severityC1 · 34/100 derived from coordinates

Not available

CommissionedNot available not in dataset
TechnologyNot available not in dataset
GWh reported / yrNot available not in dataset

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

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 28 MW, MANTOS BLANCOS is well above the median oil plant in Chile (11 MW). Oil-fired plants burn heavy fuel oil or diesel, usually as peaking or backup capacity on islands and grids without gas pipelines; high fuel cost keeps their utilisation low.

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

Capacity vs largest oil plants in Chile

NUEVA RENCA: 379 MW379NUEVA RENCAQUINTERO: 248 MW248QUINTEROCala Morritos power station: 200 MW200Cala Morri…Canelillo power station: 200 MW200Canelillo …YUNGAY: 180 MW180YUNGAYCARDONES: 154 MW154CARDONESSANTA LIDIA: 141 MW141SANTA LIDIALOS VIENTOS: 132 MW132LOS VIENTOS

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

Owner

Operated by MINERA MANTOS BLANCOS.

Local climate & thermal context

This oil plant burns oil or diesel to drive turbines or reciprocating engines. It sits in a cold desert climate (Köppen BWk) — Southern Hemisphere, latitude 23.4°S — which shapes how much energy it can produce and how its output varies through the year.

16.8°Cannual mean temp
627heating degree-days (base 18°C)
201cooling degree-days (base 18°C)
963 melevation

Monthly mean temperature

J: 20 °CJF: 20 °CFM: 19 °CMA: 17 °CAM: 15 °CMJ: 14 °CJJ: 13 °CJA: 14 °CAS: 15 °CSO: 17 °CON: 18 °CND: 19 °CD20 °C

Heating degree-days here run 74% 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: 22/100 — 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 benign, low-corrosion environment (estimated ISO 9223 class C1 — Very low), with dust abrasion the leading environmental stress.

C1ISO 9223 corrosivity (indicative)
34/100environmental-severity index
7.1°Cseasonal temperature swing
97 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 #29 largest oil power plant of 78 in Chile by capacity.

Chile has 78 oil power plants in this dataset, together about 3,578 MW of capacity.

Nearby power plants

Location

Coordinates -23.445, -70.0758 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is MANTOS BLANCOS?

MANTOS BLANCOS is a 28 MW source-record oil power plant in Antofagasta, Chile.

How many homes can MANTOS BLANCOS power?

Its output is enough to supply roughly 20,948 homes (estimated).

Who operates MANTOS BLANCOS?

MANTOS BLANCOS is operated by MINERA MANTOS BLANCOS.

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