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February 1, 2026

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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BPA Tx Planning Overhaul Prompts Concern for Northwest Clean Energy Compliance
Some of the Bonneville Power Administration’s proposals aimed at resuming transmission planning processes risk pushing study timelines to the point where the agency’s customers could run afoul of clean energy targets in Washington and Oregon, stakeholders say.
Black Hills Energy
Black Hills Completes $350M Tx Project as New BA Prepares to Join CAISO’s WEIM

Black Hills Energy completed construction on a 260-mile, $350 million transmission expansion project that will interconnect electric systems in Wyoming and South Dakota, while expanding the footprint of CAISO’s Western Energy Imbalance Market.

Balise42, CC BY-SA 4.0, via Wikimedia Commons
CAISO Looks to Remove Stagnant Projects from Interconnection Queue
CAISO has proposed new interconnection criteria to flush out stale projects from a generator interconnection queue that has reached record volumes in recent years.
CEC
Calif. Electricity Consumption Headed off the Charts, CEC Forecast Shows
California’s electricity consumption is projected to increase dramatically over the coming decades due in large part to planned artificial intelligence data centers, although questions remain about how many of those data centers actually will be built.
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EDAM Implementation Remains CAISO’s Focus in 2026
The Extended Day-Ahead Market took center stage at CAISO in 2025 as the ISO tabled other long-term initiatives to ensure the market’s timely launch in May 2026, with PacifiCorp as its first participant.
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NV Energy’s Early IRP Filing Reflects Load, Resource Challenges in 2026
As NV Energy prepares to file its next integrated resource plan ahead of schedule in April, the company says it will take longer than previously planned to reduce its reliance on short-term market purchases.
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WRAP Builds Momentum, Faces Challenges Heading into 2026
With 16 binding participants and 58 GW worth of load committed, the Western Power Pool’s Western Resource Adequacy Program aims to build on the momentum in 2026 and prepare for more members.
IMCO
Idaho Power Can Retain Market-based Rate Authority, FERC Rules
Idaho Power can continue to sell power at market-based rates after it acquired more than 200 MW in resources 2023 and 2024, FERC ruled.
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CAISO Readies EDAM Tariff Changes as New Market Nears Opening
CAISO is proposing a set of tariff changes for submission to FERC early in 2026 to help ease participants into the ISO’s new Extended Day-Ahead Market.
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UPDATED: NV Energy Filing Reveals Extensive Talks Around EDAM RA Program
Future participants in CAISO’s EDAM have already held extensive talks about developing an alternative to the Western Power Pool’s WRAP for non-CAISO EDAM members, NV Energy confirmed in a filing with Nevada utility regulators.

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