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Nuclear Regulatory Commission
The agreements cover a combination of existing nuclear plants and advanced reactors still in development.
Black Hills Energy
Black Hills Energy completed construction on a 260-mile, $350 million transmission expansion project that will interconnect electric systems in Wyoming and South Dakota, while expanding the footprint of CAISO’s Western Energy Imbalance Market.
Balise42, CC BY-SA 4.0, via Wikimedia Commons
CAISO has proposed new interconnection criteria to flush out stale projects from a generator interconnection queue that has reached record volumes in recent years.
Black Hills Energy
Black Hills Colorado Electric has filed an application with Colorado regulators to join SPP's Markets+, saying it has no choice because it is embedded in a balancing authority that will be a Markets+ participant.
ISO-NE
Consistently cold weather drove record-high December energy market costs for ISO-NE and caused the region to rely heavily on stored oil and LNG injections.
IESO
Ontario approved IESO’s proposed $1.5 billion HVDC line under Lake Ontario, which planners say is needed to meet a potential doubling of Toronto’s electricity demand by 2050.
NextEra Energy Resources
Illinois became the 13th state to adopt a procurement target for storage after Gov. JB Pritzker signed a new bill aimed at shoring up reliability and affordability.
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SPP says it is pursuing inter-market optimization of energy transfers between its two Western Interconnection markets, mirroring a process it has developed in its current RTO footprint.
Stantec
Just days into 2026, MISO already has approved or recommended dozens of expedited transmission projects for the 2026 cycle, including a substation project in Indiana that spawned several hundred million dollars in corrective action upgrades.
U.S. Army Corps of Engineers
The Bonneville Power Administration outlined suggested modifications to its commercial business model as the agency explores updating transmission processes.
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