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December 5, 2025

RTO Insider

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Duke Energy Renewables
SPP’s ELCC Methodology Contested at Appeals Court
The Sierra Club and Natural Resources Defense Council filed a petition with an appeals court to toss two recent FERC orders that granted SPP’s request to modify provisions for clean energy resources’ capacity accreditation.
ISO-NE
ISO-NE Provides More Detail on Responses to LTTP Procurement
ISO-NE published a summary of proposals submitted for its first longer-term transmission planning procurement, which is aimed at reducing transmission constraints.
Google
PJM Stakeholders to Vote on Large Load CIFP Proposals
PJM stakeholders are to vote on a record-breaking number of proposals on how the RTO should integrate large loads without impacting resource adequacy.
NREL
‘There’s Room for Everybody’: California Ports Prepare for OSW Development
At a two-day workshop held by the CEC, offshore wind experts and fishermen identified many challenges associated with building offshore wind turbines in Humboldt Bay and other parts of the coastline while not displacing the fishing industry.
© RTO Insider 
State Regulators Ponder Federal Role in Large Load Interconnections
State regulators say the push to give FERC jurisdiction over large load interconnections could leave the agency biting off more than it can chew around complex state-run processes, while failing to accomplish the intended goal of speeding approvals of hyperscale data centers.
Shutterstock
NYISO Meeting Briefs: Nov. 10-13, 2025
Aaron Markham, NYISO vice president of operations, presented the 2025-2026 Winter Capacity Assessment and Winter Preparedness forecasts to the Operating Committee.
© RTO Insider LLC
Updated: SPP Markets+ Cruising Through Early Development
SPP says the development of its Markets+ day-ahead market in the West is proceeding on time and under budget, with the hard part yet to come.
Yes Energy
DOE Request to FERC on Large Load Interconnections May Further Limit State Powers
Not surprisingly, state regulators quickly made their concerns known about DOE's request for a new FERC rulemaking proceeding in order to “ensure efficient, timely and non-discriminatory load interconnections” for large loads, says columnist Peter Kelly-Detwiler.
Grid Strategies
Transmission Delays Mean Higher Costs for Customers, Study Finds
A new report WIRES commissioned from Grid Strategies quantifies the costs consumers face from delayed transmission projects based on analysis of eight major portfolios from four different markets around the country.
MISO
MISO Agrees with All 4 IMM State of the Market Recs
MISO said all four recommendations in the Independent Market Monitor’s 2024 State of the Market Report are likely viable.

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