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December 19, 2025

Transmission

GridLiance
FERC Accepts SPP Revisions to TCR Market, Maintains Show Cause
FERC accepted SPP’s proposed tariff revisions to incorporate a mark-to-auction collateral requirement for its transmission congestion rights market but did not terminate a show-cause proceeding.
© RTO Insider 
MISO Fields Divergent Calls for Stronger South Planning, IRA Reversal in Tx Futures
Calls to consider a dissolved or weakened Inflation Reduction Act alongside appeals for stronger MISO South planning epitomized the tough situation and unsteady political climate MISO finds itself in as it tries to establish transmission planning expectations.
Wtshymanski, CC BY-SA 3.0, via Wikimedia Commons
FERC OKs Incentives on $1B Minn. HVDC Modernization, Debates Procedure
FERC granted rate incentives for the priciest project to come out of MISO’s 2024 Transmission Expansion Plan, setting off friction between commissioners.
LS Power
7th Circuit Lifts Injunction on Indiana ROFR, Remands LS Power’s Case
The 7th Circuit has tossed a temporary injunction against Indiana’s right of first refusal law and sent the case back to a lower court, leaving plaintiff LS Power with more work ahead of it to increase competitively bid transmission projects in MISO.
© RTO Insider
NEPOOL Reliability Committee Briefs: March 18, 2025
ISO-NE presented the results of its 2023/24 load power factor audit, which found most regional LPF areas to be noncompliant with the standards for low-load, high-voltage conditions.
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Overheard at CERAWeek 2025
CERAWeek 2025 by S&P Global examined the changing energy landscape through 14 themes, from policy and regulation to climate and sustainability, but none seemed to draw more focus than the rapid expansion of AI and is potential transformative effects.
© RTO Insider
PJM Market Monitor Publishes Mixed Views in Annual Report
PJM’s markets provided reliable service in 2024, but tightening supply and demand are laying bare design flaws that have inhibited the competitiveness of the RTO’s markets, the Independent Market Monitor wrote in its 2024 State of the Market Report.
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FERC to Rule on SPP’s RA Requirement for Winter
FERC is expected to rule on SPP’s proposed tariff revisions adding a winter season resource adequacy requirement and several other issues related to the grid operator.
Matthew T. Rader, CC BY-SA 4.0, via Wikimedia Commons
Experts Urge Texas Policymakers to Go Big with 765-kV Transmission
ERCOT already operates a power system as large as those in several European countries, but demand growth is expected to bring it up to the level of PJM and MISO, which has the industry considering building a new system of 765-kV lines to transmit power around Texas. 
© RTO Insider
FERC Approves New York Transco’s Formula Rate, Sets ROE for Hearing
FERC approved including additional expense accounts in New York Transco’s new company-wide formula rate over the protests of the Public Service Commission and New York City.

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