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December 15, 2025

large load additions

MISO
MISO Members: Large Loads are Certain, Require Rules Against Cross-subsidization
MISO members don’t doubt that large loads will turn up at the beginning of the next decade and are occupied with how the industry can make sure ratepayers don’t subsidize supersized customers.
MISO
MISO Floats ‘Zero Injection’ Agreements to Bring Co-located Gen Online
MISO is considering a new type of interconnection agreement for generation built on site and strictly for new large loads.
Entergy
MISO Accepts 6 GW of Mostly Gas Gen in 2nd Queue Fast Lane Class
MISO will study 6 GW of mostly natural gas-fired generation projects in the second group of entrants under its interconnection queue fast track.
Amazon
FERC Approves PECO-Amazon Transmission Agreement for Pa. Data Center
FERC approved a transmission security agreement between PECO Energy and Amazon for a data center planned in Falls Township, Pa.
Ameren Missouri
Mo. PSC Adds Consumer Protections to Ameren Large Load Rate Plan
The Missouri PSC unanimously approved a settlement agreement on rates for Ameren’s large load customers that insulates ratepayers from most costs associated with supplying data centers’ electricity needs.
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MISO Members Grapple with Large Load Implications
MISO members debated how their system could change under the weight of large load additions and scheduled a future discussion in front of the RTO’s board of directors.
NOVVA Data Centers
FERC Rejects Tri-State’s ‘High Impact Load Tariff’ Aimed at Data Centers
FERC rejected Tri-State Generation and Transmission’s proposed tariff to designed to manage the projected massive growth in data center load confronting its Mountain West member utilities over the next decade.
ERCOT
Large Loads Slow to Interconnect in ERCOT
ERCOT's Technical Advisory Committee discussed the grid operator's approach to large loads, as staff said they are tracking over 200 GW in large-load interconnection requests.
Ameren Missouri
Hawley Asks Ameren if Ratepayers are Covering Data Center Costs
U.S. Sen. Josh Hawley (R-Mo.) requested that Ameren explain whether residential ratepayers are picking up the tab for grid upgrades necessary to accommodate data centers and other large industrial customers.
© RTO Insider 
PJM Drops Non-capacity Backed Load, Shifts Focus to Resource Queue, PRD
PJM has withdrawn its non-capacity backed load proposal, shifting the focus of its solution for rising large load additions to creating a parallel resource interconnection queue and reworking price-responsive demand.

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