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Nameplate capacity 300 MW Commissioned 2020 Capacity factor 27.4% Annual generation 720 GWh CO₂e avoided 540 kt / year Offtaker Corporate PPA — Cobre Norte Mining
Sierra Alta Solar
A 300 MW solar plant in the Atacama Desert, one of the highest-irradiance sites in the world.
Sierra Alta Solar sits at 1,500 m elevation in the Atacama, where direct normal irradiance exceeds 3,000 kWh/m²/year. The plant uses fixed-tilt monocrystalline modules and has averaged a 27.4% capacity factor since 2020. Output is contracted under two corporate PPAs with mining offtakers including Cobre Norte Mining, structured as 24/7 block contracts.
Monthly generation
View as table
| Month | Generation (MWh) |
|---|---|
| 2024-01 | 61,200 |
| 2024-02 | 58,400 |
| 2024-03 | 63,900 |
| 2024-04 | 60,100 |
| 2024-05 | 58,200 |
| 2024-06 | 56,400 |
| 2024-07 | 67,100 |
| 2024-08 | 68,800 |
| 2024-09 | 71,200 |
| 2024-10 | 73,500 |
| 2024-11 | 71,200 |
| 2024-12 | 74,800 |
Project lifecycle
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Development
Site selection, permitting, offtake structuring
complete -
Construction
EPC, equipment, energization
complete -
Operations
O&M, performance monitoring, offtake delivery
current