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+.

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.

With a surge in interconnection requests from large load customers, Public Service Company of Colorado has fallen behind on processing applications, a situation that has sparked concern from state regulators.

Public Service Company of Colorado and the Polis administration want to keep Unit 2 of the coal-fired Comanche Generating Station running a year longer than planned.

The Colorado PUC issued a split decision approving Public Service Company of Colorado’s application to join SPP’s Markets+, finding that market participation is in the public interest and will “provide a number of benefits.”

The development of SPP's Markets+ has picked up the pace with stakeholders agreeing on an interim governance structure and representation on the working groups that will handle much of the effort ahead.

The Colorado PUC voted to approve Public Service Company of Colorado's plans to join SPP’s Markets+, with commissioners split on whether the move is a step toward or away from full RTO participation.

Members of the Colorado PUC expressed differing opinions on whether PSCo joining Markets+ would be in the public interest.