Petrobras Weighs Bids in Brazil's 2026 Battery Storage Auction

Overview

• Company executives said Petrobras is evaluating participation in the 2026 reserve-of-capacity auction’s battery tranche in addition to the power round.
• Reporting cites March 2026 for the power auction and April 2026 for the battery competition, with contracted projects slated to start operating in 2028.
• The Ministry of Mines and Energy framework sets 10-year reserve contracts and requires full recharge within six hours plus a minimum daily availability from storage systems.
• Batteries are included in Petrobras’s 2030 business plan, which outlines US$109 billion over five years with US$18 billion in projects still under evaluation.
• Petrobras is assessing investment size and whether to bid alone or with partners, and it is running a pilot battery project tied to a thermal plant in Juiz de Fora.