Increased transfer capacity is keeping a lid on congestion in the EIM and limiting participants’ ability to wield market power, according to CAISO’s IMM.

The CAISO internal Monitor is proposing new enforcement measures to address market power concerns in the Energy Imbalance Market.

Tucson Electric could become the latest Western utility to lose authorization to sell electricity at market-based rates within its balancing authority area.

FERC said it is considering changing how it evaluates market power in electric utility mergers and applications for market-based rate authority.

FERC revised its proposed rules for connected entity data collection from market-based rate traders to monitor against market manipulation.

FERC proposed reducing the amount of ownership information that companies must provide to obtain market-based rate authority.

FERC issued a final rule to clarify and streamline its market-based rate program, the first major update to the policy since codifying it in Order 697 in 2007.

Power sellers in PJM will no longer have to submit market power screens under proposed changes to FERC's market-based rate (MBR) regulations.