Open Access Transmission Tariff (OATT)
FERC denied rehearing requests regarding approved revisions to CAISO’s Open Access Transmission Tariff generator interconnection procedures, which contesting parties said rely on in part on “subjective and discriminatory criteria.”
CAISO dismissed Powerex’s contention that the ISO only recently has “revealed” that participation in its EDAM is voluntary at the balancing authority level but not voluntary for “individual customers” operating within the BA participating in the market.
CAISO delayed its final decision on how to allocate congestion revenues in its Extended Day-Ahead Market after receiving comments from stakeholders asking for more analysis.
Stakeholders and state energy officials continue to raise concerns about a draft proposal that would adjust how congestion revenues are allocated in CAISO's EDAM, with the ISO aiming for a vote on the final plan in the coming weeks.
CAISO released a draft final proposal detailing how EDAM will allocate congestion revenues in circumstances when a transmission constraint in one BAA produces “parallel” flows in a neighboring BAA also participating in the market.
The complex issue regarding congestion revenue allocation in CAISO’s Extended Day-Ahead Market continues to raise questions and cause some confusion for market participants.
CAISO launched an “expedited” initiative to address stakeholder concerns about how EDAM will allocate congestion revenues when a transmission constraint in one balancing authority area causes congestion in a neighboring BAA.
The new paper from Powerex is likely to reignite the debate between supporters of CAISO’s Extended Day-Ahead Market and SPP’s Markets+ just as the competition between the two markets approach critical junctures.
Powerex intends to terminate a large portion of its rights on PacifiCorp’s transmission system in response to the utility’s plans to update its transmission tariff to align with CAISO’s EDAM.
The Western Area Power Administration’s non-jurisdictional Open Access Transmission Tariff does not meet the standard of an “acceptable reciprocity tariff,” despite recent revisions the federal power agency incorporated into the tariff, FERC ruled.
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