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COMMITMENTS AND CONTINGENCIES: - Others (Details) S/ in Millions, $ in Millions |  |  |  | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 20, 2020 MW | Jul. 15, 2019 complaint | Jul. 08, 2019 USD ($) T | Jun. 30, 2021 USD ($) | Jun. 30, 2018 USD ($) T | May 31, 2016 MW | Jul. 31, 2014 MW | Jun. 30, 2014 MW | Mar. 31, 2022 USD ($) person item | Mar. 31, 2022 PEN (S/) person item | Dec. 31, 2021 USD ($) | Mar. 31, 2021 USD ($)
Other commitments: |  |  |  |  |  |  |  |  |  |  |  |
Property net book value |  |  |  |  |  |  |  |  | $ 9,492.9 |  | $ 9,464.4 | $ 9,454.4
Commitment for capital projects |  |  |  |  |  |  |  |  | 369.2 |  |  |
Tia Maria | Peru |  |  |  |  |  |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |  |  |  |  |  |
Project budget |  |  | $ 1,400.0 |  |  |  |  |  | 1,400.0 |  |  |
Number Of Complaints | complaint |  | 3 |  |  |  |  |  |  |  |  |  |
Amount spend as of the current date |  |  |  |  |  |  |  |  | $ 332.3 |  |  |
Annual production ( in tons) | T |  |  | 120,000 |  |  |  |  |  |  |  |  |
Number of workers expected to be directly employed | item |  |  |  |  |  |  |  |  | 600 | 600 |  |
Number of workers expected to be indirectly employed | item |  |  |  |  |  |  |  |  | 4,200 | 4,200 |  |
Toquepala Concentrator Expansion | Peru |  |  |  |  |  |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |  |  |  |  |  |
Amount committed to funding for social and infrastructure improvement projects |  |  |  |  |  |  |  |  | $ 120.2 | S/ 445.0 |  |
Commitment liability recorded in the balance sheet |  |  |  |  |  |  |  |  | 34.6 |  |  |
Development Fund Moquegua Region | Peru |  |  |  |  |  |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |  |  |  |  |  |
Amount committed to funding for social and infrastructure improvement projects |  |  |  |  |  |  |  |  | $ 270.2 | S/ 1,000.0 |  |
Number of schools agreed for construction. | item |  |  |  |  |  |  |  |  | 3 | 3 |  |
Amount committed to funding for school projects |  |  |  |  |  |  |  |  | $ 4.3 | S/ 15.9 |  |
Copper | Michiquillay | Peru |  |  |  |  |  |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |  |  |  |  |  |
Annual production ( in tons) | T |  |  |  |  | 225,000 |  |  |  |  |  |  |
Contingent contractual obligation |  |  |  |  | $ 400.0 |  |  |  |  |  |  |
Estimated mineralized material (in tons) | T |  |  |  |  | 2,288,000,000 |  |  |  |  |  |  |
Copper grade percentage |  |  |  |  | 0.43% |  |  |  |  |  |  |
Initial mine life |  |  |  |  | 25 years |  |  |  |  |  |  |
Contractual obligation paid on project |  |  |  | $ 12.5 | $ 12.5 |  |  |  |  |  |  |
Remaining amount to pay if project is developed |  |  |  |  |  |  |  |  | $ 375.0 |  |  |
Educational Project | Tia Maria | Peru |  |  |  |  |  |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |  |  |  |  |  |
Number of jobs expected to be generated | person |  |  |  |  |  |  |  |  | 9,000 | 9,000 |  |
Number of Direct Jobs Expected to be Generated | person |  |  |  |  |  |  |  |  | 3,600 | 3,600 |  |
Number of Indirect Jobs Expected to be Generated | person |  |  |  |  |  |  |  |  | 5,400 | 5,400 |  |
Educational Project | Toquepala Concentrator Expansion | Peru |  |  |  |  |  |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |  |  |  |  |  |
Amount committed to funding for social and infrastructure improvement projects |  |  |  |  |  |  |  |  | $ 5.1 | S/ 18.8 |  |
Educational Project | Development Fund Moquegua Region | Peru |  |  |  |  |  |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |  |  |  |  |  |
Amount committed to funding for social and infrastructure improvement projects |  |  |  |  |  |  |  |  | 29.3 | 108.4 |  |
Construction of Cularjahuira Dam | Toquepala Concentrator Expansion | Peru |  |  |  |  |  |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |  |  |  |  |  |
Amount committed to funding for social and infrastructure improvement projects |  |  |  |  |  |  |  |  | 4.2 | 15.6 |  |
Study Of Engineering For Collazas Dam | Toquepala Concentrator Expansion | Peru |  |  |  |  |  |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |  |  |  |  |  |
Amount committed to funding for social and infrastructure improvement projects |  |  |  |  |  |  |  |  | 0.7 | 2.6 |  |
Water Treatment | Development Fund Moquegua Region | Peru |  |  |  |  |  |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |  |  |  |  |  |
Amount committed to funding for social and infrastructure improvement projects |  |  |  |  |  |  |  |  | 21.6 | 79.9 |  |
Amount committed for funding social and infrastructure improvement projects, build tracks and sidewalks |  |  |  |  |  |  |  |  | 1.7 | 6.4 |  |
Social Investment For Taxes | Toquepala Concentrator Expansion | Peru |  |  |  |  |  |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |  |  |  |  |  |
Amount committed to funding for social and infrastructure improvement projects |  |  |  |  |  |  |  |  | 19.0 | 70.3 |  |
Social Investment For Taxes | Development Fund Moquegua Region | Peru |  |  |  |  |  |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |  |  |  |  |  |
Amount committed to funding for social and infrastructure improvement projects |  |  |  |  |  |  |  |  | $ 27.1 | S/ 100.4 |  |
Number of Infrastructure Projects Agreed for Construction | item |  |  |  |  |  |  |  |  | 2 | 2 |  |
Electroperu S.A | Power purchase agreements | Peru |  |  |  |  |  |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |  |  |  |  |  |
Purchase agreement, contracted power capacity (in megawatts) | MW |  |  |  |  |  |  |  | 120 |  |  |  |
Term of power purchase agreement related to sale of power plant |  |  |  |  |  |  |  | 20 years |  |  |  |
Parque Eolico de Fenicias, S. de R.L. de C.V | Power purchase agreements | Mexico |  |  |  |  |  |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |  |  |  |  |  |
Purchase agreement, contracted power capacity (in megawatts) | MW | 611,400 |  |  |  |  |  |  |  |  |  |  |
Term of power purchase agreement related to sale of power plant | 20 years |  |  |  |  |  |  |  |  |  |  |
Kallpa | Power purchase agreements | Peru |  |  |  |  |  |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |  |  |  |  |  |
Purchase agreement, contracted power capacity (in megawatts) | MW |  |  |  |  |  |  | 120 |  |  |  |  |
Term of power purchase agreement related to sale of power plant |  |  |  |  |  |  | 10 years |  |  |  |  |
Kallpa | Power purchase agreements | Peru | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Other commitments: |  |  |  |  |  |  |  |  |  |  |  |
Purchase agreement, contracted power capacity (in megawatts) | MW |  |  |  |  |  | 80 |  |  |  |  |  |

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