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December 21, 2025

RTO Insider

© RTO Insider 
MISO IMM Recommends Changes to Handling of Midwest-South Tx Constraint

MISO’s Independent Market Monitor has called for the RTO to change how it manages its Midwest-South transfer limit in ways he contends will open line capacity and reduce costs for Midwest market participants.

ISO-NE
ISO-NE Publishes Draft 2026 Work Plan
Capacity auction reforms, a new asset condition reviewer role, parallel transmission planning efforts, new reserve products, Pay-for-Performance changes and interconnection modifications are likely to be on the docket for ISO-NE in 2026.
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FERC Ends Show-cause over SPP FTR Changes
FERC terminated a show-cause proceeding against SPP and accepted the RTO’s proposal to revise its collateral requirements for financial transmission rights by including an additional re-marking mechanism for seasonal products.
CPUC
CPUC Judge Proposes Ordering 6 GW of New Resources as Tax Credits Fade
A California PUC judge has proposed the commission order an additional 6 GW of capacity for the state between 2029 and 2032 to get ahead of disappearing federal tax credits and loans for renewable energy resources.
AdminMonitor
Texas PUC Approves Permian, Outside ERCOT Transmission Projects
Texas regulators have approved the first transmission project in the Permian Basin Reliability Plan, along with several other projects.
Moonwater Capital
NV Energy to Withdraw from WRAP
NV Energy notified the Public Utilities Commission of Nevada that it plans to leave the Western Power Pool’s Western Resource Adequacy Program, citing five critical issues with the program’s design.
DOE
DOE Terminates $7.56B in Energy Grants for Projects in Blue States
The U.S. Department of Energy has terminated 321 grants totaling $7.56 billion for 223 projects, apparently targeting Democratic-leaning states.
PSCo
Xcel Battles Colo. Counties over Transmission Project
Xcel Energy is fighting two counties that are blocking a segment of the company’s Colorado’s Power Pathway transmission project. 
Duke Energy
Duke Asks for More Gas and Batteries, Delayed Coal Retirements to Meet Demand
Duke Energy filed its long-range plan with the North Carolina Utilities Commission, calling for more natural gas-fired generation and batteries while keeping existing coal plants online to meet accelerated demand for electricity.
MISO
MISO Eschews Latest Data to Limit CONE Increase for 2026
Inflation and higher borrowing costs pushed MISO’s cost of new entry up by about 5% heading into the 2026/27 planning year, but stakeholders are questioning MISO’s use of 2020 data in calculations in order to keep prices lower.

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