What is an Energy Imbalance Market?

An Energy Imbalance Market (EIM) is a proposed market that would enable greater and more efficient sharing of electrical balancing resources between BAs. Key features of an EIM include efficient use of balancing resources between participating balancing authorities, optimized use of transmission assets between balancing areas, and the ability to efficiently accommodate Variable Energy Resources…

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What is an ‘IRP’?

Integrated Resource Plan – A method for looking ahead using environmental, engineering, social, financial and economic considerations; includes using the same criteria to evaluate both supply and demand options while involving customers and other stakeholders in the process.

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What is ‘ARRA’?

The America Recovery and Reinvestment Act (ARRA) directs the Department of Energy (DOE) to provide assistance for the development of interconnection-based transmission plans for the Eastern and Western Interconnections, and for ERCOT. The Western Electricity Coordination Council  (WECC) received notification from the U.S. Department of Energy (DOE) on December 18, 2009 that it has been…

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What is ‘RTEP’

Regional Transmission Expansion Planning (RTEP) is an activity that the Western Electricity Coordinating Council (WECC) is coordinating. With direction and funding from the Department of Energy (DOE), WECC developed the Transmission Expansion Planning Policy Committee (TEPPC) to manage these activities. The goal is to broaden stakeholder involvement in transmission planning. These activities will evaluate long-term regional…

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