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By Robert Mullin CAISO staff expect to submit a proposed black start procurement proposal to the Board of Governors in May, officials said Tuesday. The ISO launched an accelerated procurement effort in January after identifying the need for additional black start resources in the transmission-constrained San Francisco Bay Area. (See...
By Robert Mullin CAISO’s Board of Governors last week approved an ISO request to designate two Calpine natural gas-fired plants in Northern California as reliability-must-run despite criticism from several stakeholders. Acknowledging concerns, ISO officials pledged to avoid “case-by-case” designations in the future. At the board’s March 15 meeting, Carrie Bentley,...
By Robert Mullin CAISO’s Board of Governors last week approved a measure investing the board with complete oversight authority over the grid operator’s internal Market Monitor. The change comes in response to FERC’s recommendations in a 2016 audit report that found that SPP executives had “inappropriate” involvement in the oversight...
By Robert Mullin CAISO’s Board of Governors last week approved a proposal designed to prevent smaller transmission owners from footing the costs for network upgrades needed to interconnect generation serving load outside of their service territories. Valley Electric Association serves about 18,000 customers in a sparsely populated region along the...
By Robert Mullin CAISO market operators are preparing to deal with an inevitable flood of energy oversupply this spring, when unusually high levels of hydroelectric output are expected to compound the impact of growing solar penetration on the California grid. One likely outcome: forced reductions in self-scheduled power deliveries throughout...
By Robert Mullin CAISO last year paid out $47 million more to congestion revenue rights holders than it took in from its auctions, the ISO’s internal Market Monitor has found. That deficit — a persistent problem since the ISO instituted CRR auctions five years ago — could buttress the Monitor’s...
By Robert Mullin CAISO wants to use an out-of-market measure to keep two Northern California gas-fired peaking plants operating after their long-term contracts expire in December. The ISO is seeking to designate Calpine’s Yuba City and Feather River plants as reliability-must-run resources after identifying that both 47-MW peakers will be...
By Robert Mullin LAS VEGAS — Increased adoption of behind-the-meter generation is complicating short-term load forecasting across the Western Energy Imbalance Market (EIM), especially in the Arizona Public Service area. The challenge is caused by the unpredictability of cloud cover, which can cause sharp and sudden drops in solar production.
By Robert Mullin The Balancing Area of Northern California (BANC) has signed an agreement with CAISO that puts the Sacramento Municipal Utilities District (SMUD) on track to join the Western Energy Imbalance Market (EIM) in spring 2019. The footprint of the Balancing Authority of Northern California extends north to south...
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