The California Independent System Operator serves about 80% of California's electricity demand, including the service areas of the state's three investor-owned utilities. It also operates the Western Energy Imbalance Market, an interstate real-time market covering territory that accounts for 80% of the load in the Western Interconnection.
FERC approved a proposal to allow transmission lines outside California to join CAISO under a new subscriber-funded model that avoids allocating project costs to the ISO’s load-serving entities.
A new report from electricity marketer Powerex adds to the expanding debate around what transpired on the Western grid during a January cold snap that saw the Northwest forced to import large volumes of power.
The 80-page report represents the latest volley in an ongoing skirmish among Western electricity sector stakeholders over what exactly occurred on the regional grid during the Jan. 12-16 deep freeze.
WAPA's Desert Southwest Region pulled out of the second phase of developing SPP's Western day-ahead market after determining it would see few benefits from participating in either Markets+ or EDAM.
NV Energy would gain significantly more economic benefits from participating in CAISO’s EDAM than SPP’s Markets+, new analysis from the Brattle Group shows.
NV Energy and several stakeholder groups have weighed in on how Nevada regulators should evaluate a request from the utility to join a day-ahead market or RTO.
A dispute around the January cold snap that forced Northwest utilities to sharply increase electricity imports to meet surging demand has become a proxy for the broader day-ahead market contest between CAISO and SPP.
The Public Power Council has asked the Bonneville Power Administration to choose SPP’s Markets+ when the agency issues its day-ahead market “leaning” in April.
