Operations and maintenance cost adder review and update

As an outcome of the bidding and mitigation of commitment costs initiative (phase 2), the California ISO is initiating the first re-evaluation of the operations and maintenance cost adder used for proxy minimum load costs and default energy bids to make sure they still reflect resources’ variable operations and maintenance costs. The ISO will communicate the study methodology and resulting recommendations for updated operations and maintenance values through a stakeholder implementation forum and stakeholders will have the opportunity to provide comments. The first update to the default operations and maintenance cost adder is targeted for implementation on April 1, 2012. Re-evaluations take place every three years.