CAISO/WEIM

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.
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California Lawmakers to Discuss Amendment Requests to Pathways Bill
TURN is finding some success in getting California state lawmakers to address the group’s concerns about what the Trump administration might do if the state moves forward with plans to hand over control of CAISO’s energy markets to an independent regional organization.
Center for Land Use Interpretation
APS to Keep Cholla Plant Closed Despite Trump Order Backing Coal
APS officials said they are looking to a non-coal future for the recently closed Cholla coal-fired power plant, despite President Donald Trump’s calls to keep the facility running.
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Oregon House Passes Bill to Shift Energy Costs onto Data Centers
The Oregon House of Representatives voted in favor of a bill that would require data center developers to shoulder a larger share of their own energy costs in an effort to mitigate risk to smaller consumers.
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Calif. Senate Committee Backs Pathways Initiative Bill
A California senate committee voted unanimously in favor of the Pathways bill, bringing the Golden State closer to allowing CAISO to cede oversight of its energy markets to an independent RO.
New Mexico Renewable Energy Transmission Authority
APS, PNM Closer to Order 2023 Compliance
The two Southwestern utilities are closer to compliance with FERC Order 2023 but still have work to do in response to orders the commission issued.
Pattern Energy
SunZia Gets Mixed Decision on Tariff
FERC approved the non-rate terms of SunZia Transmission’s proposed transmission owner tariff but sent the tariff’s non-subscriber usage rate to a settlement process and potential hearing.
CAISO
CAISO Issues ‘Expedited’ Plan for Allocating EDAM Congestion Revenues
CAISO released a draft final proposal detailing how EDAM will allocate congestion revenues in circumstances when a transmission constraint in one BAA produces “parallel” flows in a neighboring BAA also participating in the market.
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CAISO Pauses Study of New Market Run Proposal for Gas Resources

CAISO sidelined a proposal to provide an additional market run for gas resources due to a lack of information on the subject and a need for operational experience with the ISO’s Extended Day-Ahead Market.

PG&E
PG&E Wildfire Plan Relies on Proven Strategies, Newer Tech
A new three-year wildfire mitigation plan from Pacific Gas and Electric incorporates tried-and-true strategies such as undergrounding power lines, as well as some newer approaches such as pole-mounted sensors
CAISO
Urgent EDAM Congestion Revenue Issue ‘Will Take Time’ to Address
The complex issue regarding congestion revenue allocation in CAISO’s Extended Day-Ahead Market continues to raise questions and cause some confusion for market participants.

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