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All operations

Operation

Lomas Bayas

Lomas Bayas produced 58.5 kt of fine copper in the 12 months to July 2026. That is 11.45% less than in the 12 months before (66.1 kt). It is the 21st largest of the 33 operations the table details and accounts for 1.13% of the country's copper.

Fine copper, 12 months to July 2026

58.5 kt

11.45%against the 12 months before

January to July 2026

32.7 kt

5.86%against the same period of 2025

Output in July 2026

5.2 kt

9.35%against July 2025Cochilco

Share of the country's copper

1.13%

21st of 33 operations

Who is behind it

Holder before the SMA (the environmental regulator)

Compañía Minera Lomas Bayas SMA

It holds 11 environmental permits of the 11 of this operation's regulated unit.

Owners of Compañía Minera Lomas Bayas

1 direct owner with the stake and the document that states it, on the platform.

Output month by month

Thousand tonnes of fine copper at 100% of the operation, since January 2014.

24682014201620182020202220242026

The last twelve months

MonthOutputA year earlierChangeSource
July 20265.24.89.35%Cochilco
June 20265.34.420.05%Cochilco
May 20265.94.529.72%Cochilco
April 20262.55.252.94%Cochilco
March 20264.75.514.11%Cochilco
February 20264.34.14.52%Cochilco
January 20264.96.221.88%Cochilco
December 20255.86.49.16%Cochilco
November 20255.26.620.85%Cochilco
October 20255.66.411.67%Cochilco
September 20254.65.922.12%Cochilco
August 20254.66.124.99%Cochilco

Output by year

Thousand tonnes of fine copper. Up to 2025, yearly figures; after that, the sum of its months.

0501002000: 51.3 kt20002001: 56.3 kt2002: 59.3 kt2003: 60.4 kt20032004: 62 kt2005: 63.1 kt2006: 64.3 kt20062007: 61.4 kt2008: 59.2 kt2009: 73 kt20092010: 71.8 kt2011: 73.6 kt2012: 73.3 kt20122013: 74.2 kt2014: 66.4 kt2015: 70.5 kt20152016: 80.1 kt2017: 78 kt2018: 72.6 kt20182019: 78.9 kt2020: 73.9 kt2021: 64.3 kt20212022: 72.5 kt2023: 65.8 kt2024: 74.4 kt20242025: 60.6 kt2026: 32.7 kt2026
See the figures by year
YearOutputSource
202632.7 kt7 months
202560.6 ktCochilco
202474.4 ktCochilco
202365.8 ktCochilco
202272.5 ktCochilco
202164.3 ktCochilco
202073.9 ktCochilco
201978.9 ktCochilco
201872.6 ktCochilco
201778 ktCochilco
201680.1 ktCochilco
201570.5 ktCochilco
201466.4 ktCochilco
201374.2 ktCochilco
201273.3 ktCochilco
201173.6 ktCochilco
201071.8 ktCochilco
200973 ktCochilco
200859.2 ktCochilco
200761.4 ktCochilco
200664.3 ktCochilco
200563.1 ktCochilco
200462 ktCochilco
200360.4 ktCochilco
200259.3 ktCochilco
200156.3 ktCochilco
200051.3 ktCochilco

Environmental enforcement

6 records of the SMA on this operation's regulated unit.

See enforcement across mining
  • 4 Inspections
  • 1 Sanction procedure
  • 1 Compliance programme

Each record, with its case number, its status and its fine, is on the platform.

Projects

Projects of the public pipeline that target this operation.

The output figures are those of Cochilco's monthly table and yearbook, at 100% of the operation. The 12-month totals, the year-to-date figures and the changes are our own sums and differences on those figures. The sentences of this page are assembled from them: no language model is involved.