Transmission Planning

NYISO
NYISO Dogged by Uncertainty in Comprehensive Reliability Plan
NYISO’s draft 2025-2034 Comprehensive Reliability Plan shows a wide range of possible scenarios for resource adequacy in New York, with the most negative outlook showing a deficit of up to 10 GW by 2034.
© RTO Insider
Data Centers ‘Exacerbating’ Tx Line Overload Forecasts in Bay Area
The construction of new data centers could lead to transmission line overloads in the Bay Area, CAISO forecasts show.
ERCOT
ERCOT Board Approves AS Procurement for 2026
ERCOT’s Board of Directors approved staff’s recommended methodologies for acquiring minimum ancillary service requirements in 2026, despite concerns over conservative operations and target procurement levels.
ATC and ITC Midwest
Bipartisan Transmission Permitting Reform Bill Introduced in House
U.S. Reps. Scott Peters (D) and Andy Barr (R) introduced the SPEED and Reliability Act, which is meant to speed up the siting and permitting of transmission lines.
IESO
Planners Pick $1.5B Underwater HVDC Line for Toronto’s ‘Third Supply’
IESO system planners recommended the construction of a $1.5 billion HVDC line to meet Toronto’s growing energy needs, saying it would be more “future proof” than two cheaper options.
Shutterstock
Federal Energy Policy News Roundup: House Bills and DOE Returns $13B
Democrats introduced a FERC-heavy bill to control electricity costs, House Energy & Commerce Committee Republicans tout bills passed out of committee, DOE returns $13 billion and some details from the Dallas Fed survey.
MISO
MISO Cuts Renewable Estimates in Tx Planning Scenarios
MISO has slashed earlier renewable energy estimates and boosted natural gas contributions in its transmission planning futures in a rethink brought on by the Trump administration’s One Big Beautiful Bill Act.
Yes Energy
Stakeholder Forum: Surplus Interconnection Can Maximize Capacity in ISO-NE
In New England, rules governing how new resources connect to the regional grid limit full use of the system’s potential. Precious “surplus” capacity can and should be leveraged to interconnect new, low-cost clean energy technologies to deliver more reliable, affordable power, says Alex Lawton.
SPP
SPP Considers Deferring 765-kV NTCs to 2026
SPP says accelerating load projections will result in a 2025 transmission plan that dwarfs the previous year’s record $7.65 billion portfolio — so much so that it is considering deferring some projects until 2026.
Shutterstock
Speculative Data Centers Highlight Need for Effective Forecasting, Experts Say
Utilities face significant forecasting risks from large loads, prompting the industry to develop various strategies to eliminate speculative projects, experts said during a Western Interstate Energy Board webinar.

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