CAISO Department of Market Monitoring (DMM)

CAISO
CAISO Ponders DER Market Participation in New Paper
A new CAISO paper lays out a series of challenges around how to improve participation of demand response and distributed energy resources in the ISO's day-ahead and real-time markets.
Shutterstock
‘Frustrated’ CDWR Requests CAISO Reconsider Tx Access Charge Proposal
The California Department of Water Resources and other parties have asked CAISO to restart a transmission access charge initiative that was put on hold in 2018 due to the development of the ISO’s Extended Day-Ahead Market.
© RTO Insider LLC
FERC OKs Extension of WEIM Assistance Energy Transfer Feature
FERC granted CAISO's request to remove the sunset date on the Western Energy Imbalance Market Assistance Energy Transfer feature, which has been used by more than 10 of the market’s balancing area authorities in recent years.
CAISO
Market Monitor Urges CAISO to Reconsider EDAM Intertie Proposal
CAISO's Department of Market Monitoring has asked the ISO to re-evaluate its intertie scheduling proposal for the Extended Day-Ahead Market due to potential impacts on market participants.
CAISO
Analysis Finds ‘Material’ Parallel Flow Effects in CAISO from PacifiCorp BAA Transactions
In an ongoing high-stakes analysis, CAISO has determined that transactions between PacifiCorp’s two balancing authority areas can “materially” affect parallel flows on certain CAISO transmission constraints.
CAISO
CAISO DMM Concerned About ‘StubHub’ Marketplace in RA Proposal
CAISO’s Market Monitor cautioned that a new resource adequacy proposal could lead to strategic gaming in the ISO’s market when capacity supplies are tight on the grid.
CAISO
CAISO RA Initiative Moves Forward with 3 Proposals

CAISO is finalizing a set of changes to its resource adequacy program, with plans to vote on three proposals at an upcoming Board of Governors meeting,

CAISO
WEIM Prices Rise on Higher Gas Costs in Q2 2025
Western Energy Imbalance Market prices increased sharply in the second quarter of 2025 compared with the same period in 2024, mostly due to higher natural gas prices at Western hubs.
BLM California
CAISO Monitor Sees ‘Gaming’ Potential in Battery Storage Bid Cost Recovery

CAISO’s Market Monitor is concerned about potential gaming practices and inefficient bidding behavior in the ISO’s bid cost recovery  process for battery storage resources.

CAISO DMM
Battery Storage Revenue Average Trending Down in California

California’s fastest-growing energy resource — battery storage — is earning less net revenue each year, while capacity is forecast to continue to boom.


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