Transmission

CAISO DMM
Battery Capacity, Coal Use Rise in WEIM in 2025
CAISO’s Western Energy Imbalance Market saw an increase in battery storage capacity and coal use in 2025 compared with 2024, although the total load across the market did not increase over the year.
© RTO Insider 
ROWE’s Bylaws Must Ensure Market Data Transparency, States Say
Energy officials in Idaho, Utah and Wyoming called on the West-Wide Governance Pathways Initiative to ensure states with members in the Regional Organization for Western Energy have full access to data and market information, saying failure to do so risks infringing states’ rights and undermining public confidence.
Eversource
FERC Dismisses Challenge to Eversource X-178 Asset Condition Project
FERC dismissed a complaint about a $385 million asset condition project on an Eversource Energy transmission line in New Hampshire, finding it failed to demonstrate any violations by the company.
The White House
Trump Gets Tech Execs to Sign ‘Ratepayer Protection Pledge’
President Donald Trump gathered seven tech leaders at the White House to sign a ratepayer protection pledge holding that they will pay all the costs associated with the boom in construction of data centers.
MISO
MISO Opens 3rd Tx Project Review as Data Center Plans Conflict with Long-range Tx Timeline
MISO opened a third review of a long-range transmission project, this time because three substations are needed more than five years ahead of schedule to accommodate new data center load.
IESO
Ontario PMU Expansion Raises Cost Concerns
IESO’s plan to require synchrophasor data from storage resources is prompting cost concerns.
NYISO
Stakeholders Ask for Boundaries on NYISO’s Reformed Reliability Process
The conversation during a five-hour meeting on changes to NYISO’s transmission planning processes became heated at times, as stakeholders challenged ISO officials on exactly how they will develop the possible scenarios they propose to determine reliability needs.
NorthWestern Energy
NorthWestern Can Sell Power from Former PSE Coal Plant, FERC Says
FERC approved NorthWestern’s acquisition of Puget Sound Energy’s shares in the coal-fired Colstrip power plant and authorized NorthWestern to sell electricity produced by the plant.
© RTO Insider 
Bipartisan Bill Introduced to Boost Advanced Transmission Technologies
Two senators introduced the REWIRE Act, which aims to speed up permitting for advanced transmission projects on existing rights of way and generally encourage advanced transmission technologies.
Hitachi Vantara
AI Has to be Reliable Before We Trust it with our Grid
Columnist Dej Knuckey says there’s no doubt AI can be exponentially faster, smarter, and more innovative and efficient than the current workforce, but can it be reliable?

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