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Chile plans to procure 2,835 GWh electricity supply annually through 2 supply blocks beginning in 2029 and 2030
Battery storage can be used as a backup resource, while certain fossil fuels are excluded
The auction aims to strengthen long-term supply security for regulated electricity customers
Chile’s National Energy Commission (CNE) has released the preliminary terms for its 2026/01 electricity supply tender, seeking 2,835 GWh of electricity per year through long-term contracts.
This is a technology-neutral tender. While the CNE does not specify, eligible projects must guarantee energy supply and cannot rely on coal, petroleum coke, diesel or fuel oil No. 6 as their primary fuel source.
For non-conventional renewable energy plants, the estimated energy production must be calculated using a scenario that has a 90% probability of being exceeded. Battery energy storage systems (BESS) will be permitted as eligible backup resources.
The auction will be split into 2 supply blocks, under 15-year agreements. Energy deliveries will start from January 1, 2029 till December 31, 2043 under block 1 for 1,575 GWh/year. For block 2, energy supply will need to run from January 1, 2030 till December 31, 2044 for 1,260 GWh/year.
The auction includes 4 regional zones and multiple time-based supply segments, with the largest share of contracted energy concentrated in the country’s central region.
The tender, according to CNE, is designed to address unmet supply needs from previous procurement rounds and help secure electricity supply for regulated customers as demand increases.
The official tender launch is scheduled for July 1, 2026, with bid submissions due in December and awards expected in January 2027.
In November 2024, CNE had said it plans to seek 22,500 GWh of electricity supply through tenders between 2025 and 2028 (see Latin America Solar PV News Snippets).
