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Streamlined Interactions from End-to-End

OATI webEIM gives Balancing Authorities and generation owners the tools necessary to thrive in the Western Energy Imbalance Market (EIM), ensuring ease of data entry, management, and monitoring. OATI webEIM delivers a streamlined approach to EIM interactions from end-to-end by providing all of the data interfaces, process automation, and reporting that an EIM Entity or Participating Resource needs to stay competitive. 

For merchant generators looking to participate in the California wholesale energy market, OATI webEIM simplifies and automates processes like resource planning and bidding. When combined with OATI webSmartBid, this solution provides extensive benefits like bid-to-bill to all entities participating in ISO energy imbalance markets in North America.

This comprehensive and configurable solution incorporates all necessary functional needs to three types of EIM Participants — EIM Entity Schedule Coordinator (SC), EIM Participating Resource SC, and EIM non-Participating Resource.

OATI webEIM provides:

  • Management of market awards including tracking of GHG related awards especially important within the California electricity market
  • Detailed position reporting
  • Comprehensive data interfaces, process automation and reporting with the Western EIM
  • Flexible and powerful calculation capabilities
  • Integrated shadow settlement capabilities
  • Complete audit trail to track the history of each transition


Harnessing Western EIM Benefits for a Sustainable Energy Future

OATI webEIM provides market participants with the tools they need to fully participate and enjoy the benefits of the Western EIM.

Software Automation is the Bedrock of Western EIM

OATI webEIM is the answer to the need for a Western EIM software solution that seamlessly automates the most challenging Western EIM market operations.

Pushing the Boundaries of Operational Efficiency

The timely management of interchange schedules, shadow settlements, bid-to-bill calculations, and all the other Western EIM time-sensitive operations can be overwhelming. That is why OATI webEIM is highly scalable and extremely nimble to provide operational optimization to Western EIM market participants.

OATI webEIM solution for the Western EIM integrates with your existing systems to help you take full control over your energy imbalance charges.

For more information, please contact

  • e-Book: Navigating Western EIM SOPs