The Midcontinent Independent System Operator is a regional transmission organization that plans transmission projects, administers wholesale markets for its membership and manages the flow of electricity in Arkansas, Illinois, Indiana, Iowa, Kentucky, Louisiana, Michigan, Minnesota, Mississippi, Missouri, Montana, North Dakota, South Dakota, Texas and Wisconsin.
Meta signed a 20-year power purchase agreement for the output of Constellation Energy’s 1,121-MW Clinton nuclear plant in Central Illinois, the companies announced.
MISO said it will create more public notices throughout its variance analysis, the process it uses to reassess transmission projects that experience cost increases or other obstacles.
FERC approved MISO’s new generation replacement provision that allows replacements to reconnect at more preferred points on the grid over clean energy groups’ concern that it plays favorites.
MISO has shed light on the reasons behind the May 25 load-shed event in southeast Louisiana, describing a system taxed by early summer heat and rife with congestion and unavailable generation.
MISO confirmed it will make a second bid to FERC to establish a temporary fast lane in its interconnection queue, this time limiting the process to 50 generation projects.
MISO said starting with the 2026/27 planning year, it will require its demand response resources to demonstrate actual demand reductions through tests to weed out imposters in the capacity market.
Stakeholders continue to ask MISO to crunch hypothetical auction clearing prices absent the RTO’s new sloped demand curve that sent prices past $660/MW-day for summer.
MISO generation developers pushed back on MISO’s cost allocation of the $1.65 billion Joint Targeted Interconnection Queue, reportedly saying MISO’s late-stage alterations have eroded the value of the seams planning.