For the first time in years, California’s grip on Western market design is genuinely at risk, writes Nick Myers of the Arizona Corporation Commission.

Conversations remained cordial despite the ongoing competition between CAISO and SPP in the west as the RTOs’ top executives took the stage at Yes Energy’s annual EMPOWER conference.

Arizona Public Service would save $110 million/year by joining CAISO's Extended Day-Ahead Market rather than SPP's Markets+, a new analysis found.

The consequences of the Bonneville Power Administration’s decision to join SPP’s Markets+ could hit the Northwest sooner rather than later even though the agency has yet to formally join the market, a group of nonprofits suing it over the choice told the 9th U.S. Circuit Court of Appeals.

Some parties are urging Nevada regulators to wait until initial results are in for CAISO's Extended Day-Ahead Market before deciding whether to allow NV Energy to join.

As the West appears to move toward two separate day-ahead markets, data center developers like Google and clean energy companies are investing with the intent to mitigate seams and ensure operational consistency, panelists at an Advanced Energy United webinar said.

Colorado regulators have declined to reconsider their decision finding that it would be in the public interest for Public Service Company of Colorado to join SPP’s Markets+.

SPP has hired former Idaho commissioner Kristine Raper as its senior director of state regulatory policy for the West.

Black Hills Colorado Electric has filed an application with Colorado regulators to join SPP's Markets+, saying it has no choice because it is embedded in a balancing authority that will be a Markets+ participant.