Ventanas
Smelter or refineryCobrePuchuncavi, Valparaiso, ValparaísoActive
Site ID 1535813 · 30 installations in the register
Installations
What the register lists at this site, grouped by function.
3Process plants9Smelting and refining11Power3Ports and transport1HydrocarbonsProcess plants3
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Planta Tratamiento Barros Anodicos | Concentrator | Activa | 42 m a.s.l. | -32.7620, -71.4836 | SERNAGEOMIN |
| Planta de Chancado | Crushing plant | Eliminado | 32 m a.s.l. | -32.7595, -71.4809 | SERNAGEOMIN |
| Planta de Secado Concentrado | Filter plant | Cierre temporal | 12 m a.s.l. | -32.7536, -71.4817 | SERNAGEOMIN |
Smelting and refining9
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Planta de Oxigeno | Smelter | Activa | 12 m a.s.l. | -32.7626, -71.4807 | SERNAGEOMIN |
| Refinería Electrolitica | Electrolytic refinery | Activa | 12 m a.s.l. | -32.7610, -71.4829 | SERNAGEOMIN |
| Refino a Fuego | Electrolytic refinery | Activa | 14 m a.s.l. | -32.7612, -71.4816 | SERNAGEOMIN |
| Sala Eléctrica Refinería (Tag C2-ER-01) | Electrolytic refinery | Activa | 15 m a.s.l. | -32.7626, -71.4807 | SERNAGEOMIN |
| Convertidor Teniente | Smelter | Cierre temporal | 30 m a.s.l. | -32.7632, -71.4825 | SERNAGEOMIN |
| Fundición y Refinería Ventanas | Smelter | Cierre temporal | 15 m a.s.l. | -32.7626, -71.4807 | SERNAGEOMIN |
| Horno Eléctrico | Smelter | Cierre temporal | 12 m a.s.l. | -32.7626, -71.4820 | SERNAGEOMIN |
| Planta de Ácido | Acid plant | Cierre temporal | 17 m a.s.l. | -32.7629, -71.4804 | SERNAGEOMIN |
| Planta de Ácido | Acid plant | Cierre temporal | 12 m a.s.l. | -32.7626, -71.4820 | SERNAGEOMIN |
Power11
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Sala Compresor Planta de Oxigeno | Powerhouse | Activa | 18 m a.s.l. | -32.7645, -71.4839 | SERNAGEOMIN |
| Sala de Fuerza | Powerhouse | Activa | 12 m a.s.l. | -32.7626, -71.4820 | SERNAGEOMIN |
| Sala Eléctrica Central Termica | Electrical substation | Activa | 24 m a.s.l. | -32.7630, -71.4830 | SERNAGEOMIN |
| Sala Eléctrica N°1 de Refinería | Electrical substation | Activa | 61 m a.s.l. | -32.7611, -71.4825 | SERNAGEOMIN |
| Sala Eléctrica N°1 Planta Barros Anodicos | Electrical substation | Activa | 42 m a.s.l. | -32.7620, -71.4836 | SERNAGEOMIN |
| Sala Eléctrica Planta Barros Anodicos | Electrical substation | Activa | 42 m a.s.l. | -32.7620, -71.4836 | SERNAGEOMIN |
| Sala Eléctrica Planta de Oxigeno | Electrical substation | Activa | 18 m a.s.l. | -32.7645, -71.4839 | SERNAGEOMIN |
| Área de Sala de Bombas de Agua Industrial (Fuco) | Powerhouse | Eliminado | 50 m a.s.l. | -32.7625, -71.4816 | SERNAGEOMIN |
| Sala Eléctrica Fuco N°3 | Electrical substation | Eliminado | 15 m a.s.l. | -32.7635, -71.4821 | SERNAGEOMIN |
| Sala Eléctrica Fuco Nº 4 | Electrical substation | Eliminado | 49 m a.s.l. | -32.7625, -71.4809 | SERNAGEOMIN |
| Sala Fuco de Baja Tensión | Electrical substation | Eliminado | 15 m a.s.l. | -32.7635, -71.4821 | SERNAGEOMIN |
Ports and transport3
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Cancha de Conjunto de Concentrado | Stockyard | Activa | 14 m a.s.l. | -32.7601, -71.4803 | SERNAGEOMIN |
| Patio de Cátodos | Stockyard | Activa | 15 m a.s.l. | -32.7608, -71.4819 | SERNAGEOMIN |
| Centro de Acopio Temporal Polvos Pepa | Stockyard | Eliminado | 9 m a.s.l. | -32.7616, -71.4800 | SERNAGEOMIN |
Support3
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Central Termica | Workshops | Activa | 12 m a.s.l. | -32.7630, -71.4831 | SERNAGEOMIN |
| Maestranza | Workshops | Activa | 12 m a.s.l. | -32.7634, -71.4831 | SERNAGEOMIN |
| Sala de Control Fuco | Control room | Cierre temporal | 15 m a.s.l. | -32.7635, -71.4821 | SERNAGEOMIN |
Hydrocarbons1
| Name | Type | Status | Elevation | Coordinates | SERNAGEOMIN |
|---|---|---|---|---|---|
| Sala de Compresores de Fuco | Compressor station | Eliminado | 49 m a.s.l. | -32.7625, -71.4809 | SERNAGEOMIN |
Air emissions
What the establishment tied to this site declares to the Ministry of the Environment's RETC: tonnes a year by pollutant.
Refinería Ventanas · Corp. Nacional del Cobre de Chile
Tied to this site because its holder operates it and it lies 0.3 km away. Sources: Caldera Industrial, Caldera Industrial (Generadora de Vapor o Agua Caliente), Convertidor Pierce Smith (CPS), Convertidor Teniente (CT), Grupo electrógeno, Grupo Electrógeno
| Year | CO₂ | SO₂ | NOx | PM10 | Hg | As | Pb | RETC |
|---|---|---|---|---|---|---|---|---|
| 2025 | 45,100 t | 30.8 t | 62.9 t | 523 kg* | 2 kg | 5 kg | 112 g | Ministerio del Medio Ambie… |
| 2024 | 51,602 t | 45.9 t | 79.2 t | 635 kg* | 3 kg | 64 kg | 114 g | Ministerio del Medio Ambie… |
| 2023 | 65,228 t | 3,315 t | 105 t | 561 kg* | 5 kg | 12.7 t | 135 g | Ministerio del Medio Ambie… |
| 2022 | 59,718 t | 4,759 t | 4.62 t | 4.44 t | 33 kg | 370 t | 33.1 t | Ministerio del Medio Ambie… |
| 2021 | 63,364 t | 9,188 t | 3.13 t | 4.66 t | 60 kg | 32.6 t | 56.8 t | Ministerio del Medio Ambie… |
| 2020 | 59,095 t | 10,422 t | 1.97 t | 4.35 t | 1.18 t | 24.4 t | 17 kg | Ministerio del Medio Ambie… |
* Includes the Ministry's own estimates, not only what the establishment declared.
Source: RETC, Ministry of the Environment (Creative Commons Attribution). Emissions declared by the establishment under D.S. 138, added up over all its sources. All sites and the country's ranking are in Emissions.
Status changes
8 installations changed status between April 2025 and today, according to the dated copies of the register.
- Sala de control fuco· Sala de controlActiva → Cierre temporalSERNAGEOMIN
- Planta de ácido· Planta de acidoActiva → Cierre temporalSERNAGEOMIN
- Sala eléctrica refinería (tag c2-er-01)· Refinación electrolíticaIrregular operativa → ActivaSERNAGEOMIN
- Fundición y refinería ventanas· FundicionActiva → Cierre temporalSERNAGEOMIN
- Planta de ácido· Planta de acidoActiva → Cierre temporalSERNAGEOMIN
- Horno eléctrico· FundicionActiva → Cierre temporalSERNAGEOMIN
- Planta de secado concentrado· Planta filtroActiva → Cierre temporalSERNAGEOMIN
- Convertidor teniente· FundicionActiva → Cierre temporalSERNAGEOMIN
Source: SERNAGEOMIN, copies of the register of installations of 8 April, 8 September and 26 November 2025, compared with today's register. Referential: a change in the register does not always match the date of the event.
Deposits nearby
Deposits and prospects of SERNAGEOMIN's national database within 15 km of this operation, nearest first.
La Greda· Arcilla Común· 1.9 km awaySERNAGEOMIN
Mined
Ladrillera Las Palmas· Arcilla Común· 6.3 km awaySERNAGEOMIN
Mined
Valle Alegre· Áridos· 6.9 km awaySERNAGEOMIN
Mined
Ladrillera Ismael Cavieres· Arcilla Común· 8 km awaySERNAGEOMIN
Mined
Ladrillera El Paso· Arcilla Común· 9 km awaySERNAGEOMIN
Mined
Ladrillera Rungue· Arcilla Común· 10.9 km awaySERNAGEOMIN
Mined
La Ponderosa· Cu· 11 km awaySERNAGEOMIN
Small · Mined
- Resource: 15113 t · 2015
- Reserve: 12275 t mena cuprífera · 2015
Puente Mantagua· Áridos· 11.7 km awaySERNAGEOMIN
Mined
Duna Con Con· Áridos· 12.2 km awaySERNAGEOMIN
Mined
El Marquéz· Cu· 12.8 km awaySERNAGEOMIN
Small · Mined
Los Bananeros· Au· 13 km awaySERNAGEOMIN
Mined · Placer
Cacao· Cu, Ag· 13.2 km awaySERNAGEOMIN
Small · Mined
- Resource: 146010t · 1.06 CuT, 0.35 CuS, 11.6 g/t Ag
Source: SERNAGEOMIN, national deposit database (SIA Yacimientos). Referential: the distance is between points and does not say who owns each deposit. Every deposit in the country is on Deposits.