Midcontinent Independent System Operator (MISO)

Featured image for “ITC Midwest seeks rate incentives for $1.5B grid expansion in Upper Midwest”
June 5, 2025

ITC Midwest seeks rate incentives for $1.5B grid expansion in Upper Midwest

ITC’s proposed portfolio of projects are part of a larger multi-billion-dollar grid expansion across the region intended to bolster grid resiliency and enhance renewable integration.

Featured image for “NextEra seeks transmission rate incentives for $900M power line in MISO”
June 3, 2025

NextEra seeks transmission rate incentives for $900M power line in MISO

The project, a middle segment of the larger North Rochester – Columbia line, aims to enhance reliability and reduce congestion in Minnesota and Wisconsin.

Featured image for “Project & PPA Roundup – AES, National Grid”
May 19, 2025

Project & PPA Roundup – AES, National Grid

SparkWire’s Power Project & PPA Roundup, compiling in-service dates and power purchase agreements for renewable and fossil generators, for the week-ended May 16, 2025.

Featured image for “Apollo Global Management cleared to buy Irradiant Partners’ solar facilities, advancing expansion plans”
May 19, 2025

Apollo Global Management cleared to buy Irradiant Partners’ solar facilities, advancing expansion plans

The deal comes ahead of Apollo’s move to acquire another 2.3 GW of gas-fired and hydro assets.

Featured image for “Holtec’s historic restart of the Palisades nuclear plant takes a small step forward with market filing”
May 19, 2025

Holtec’s historic restart of the Palisades nuclear plant takes a small step forward with market filing

Holtec’s planned commercial operation date for the reactor is “as soon as” later this year, providing some wiggle room for the generator’s re-start.

Featured image for “SW Weekly Power Project & PPA Roundup – Hanwha Corp., Ørsted A/S”
May 12, 2025

SW Weekly Power Project & PPA Roundup – Hanwha Corp., Ørsted A/S

SparkWire’s Power Project & PPA Roundup, compiling in-service dates and power purchase agreements for renewable and fossil generators, for the week-ended May 9.

Featured image for “Otter Tail Power seeks incentive rates for $761-million grid expansion across Upper Midwest”
May 7, 2025

Otter Tail Power seeks incentive rates for $761-million grid expansion across Upper Midwest

Otter Tail Power’s transmission investments are part of a grid upgrade spanning the Dakotas and Minnesota, estimated to cost $2.58 billion.

Featured image for “SW Weekly Power Project & PPA Roundup – ArcLight Capital Partners, Origis Energy”
May 5, 2025

SW Weekly Power Project & PPA Roundup – ArcLight Capital Partners, Origis Energy

SparkWire’s Power Project & PPA Roundup, tracking renewable and fossil generator project updates and PPA terms filed with FERC for the week-ended May 2.

Featured image for “Midwest transmission owners challenge FERC return-on-equity ruling in U.S. appeals court”
April 29, 2025

Midwest transmission owners challenge FERC return-on-equity ruling in U.S. appeals court

The petition challenges FERC’s decision to apply a revised ROE methodology retroactively, impacting refunds and potentially setting a precedent for future rate cases.

Featured image for “Midwest power producers back MISO’s demand response revisions, citing fraud, wide-spread under-performance”
April 23, 2025

Midwest power producers back MISO’s demand response revisions, citing fraud, wide-spread under-performance

MISO’s proposed changes aim to enhance market protections against manipulation and fraud through stricter standards for demand response resources.

Featured image for “Private equity firm Atlas Capital Resources wins FERC approval to buyout J-POWER’s 62% stake in Texas gas plant”
April 22, 2025

Private equity firm Atlas Capital Resources wins FERC approval to buyout J-POWER’s 62% stake in Texas gas plant

The 880-MW Frontier Generating Station is strategically connected to ERCOT and MISO.

Featured image for “ITC looks to secure U.S. approval for incentive rates for $360M power line project in Midwest”
April 22, 2025

ITC looks to secure U.S. approval for incentive rates for $360M power line project in Midwest

The project is part of a portfolio of grid upgrades and expansions in the region estimated to enable the interconnection of up to 53 GW of new generating capacity.

Featured image for “Project & PPA Roundup – Orsted, Terra-Gen”
April 18, 2025

Project & PPA Roundup – Orsted, Terra-Gen

SparkWire’s Project & PPA Roundup, tracking project details, updates and PPA terms filed with FERC for the week-ended April 18.

Featured image for “Project & PPA Roundup – NextEra, National Grid”
April 14, 2025

Project & PPA Roundup – NextEra, National Grid

SparkWire’s Project & PPA Roundup, tracking project details, updates and PPA terms filed with FERC for the week-ended April 11.

Featured image for “NIPSCO secures U.S. approval to acquire 200-MW Indiana solar project from California, Dutch pension funds, Abu Dhabi investment fund”
April 11, 2025

NIPSCO secures U.S. approval to acquire 200-MW Indiana solar project from California, Dutch pension funds, Abu Dhabi investment fund

The acquisition shifts NIPSCO to sole owner, allowing direct access to Production Tax Credits under the Inflation Reduction Act.

Featured image for “MISO proposes sweeping demand response reforms to enhance reliability amid grid transformation”
April 9, 2025

MISO proposes sweeping demand response reforms to enhance reliability amid grid transformation

MISO’s proposed reforms impact an estimated 12 GW of demand response and emergency resources, most of which act as the final safeguard against involuntary load shedding.

Featured image for “FERC rejects clean energy groups’ challenge to MISO grid connection overhaul for tackling major project backlog”
April 8, 2025

FERC rejects clean energy groups’ challenge to MISO grid connection overhaul for tackling major project backlog

The coalition of renewable groups contend that the grid manager’s plan will fail to resolve massive gridlocks in connecting new projects to the system, which has grown to over 300 GW.

Featured image for “FERC greenlights Palisades Nuclear Plant restart in historic decision”
April 7, 2025

FERC greenlights Palisades Nuclear Plant restart in historic decision

The approval for interconnecting to the grid advances the first return of a nuclear plant to active service in the U.S., setting a key precedent for similar projects.

Featured image for “Project Round Up: Eni SpA, Idemitsu Renewables Americas, NextEra Energy, Ormat Technologies”
March 24, 2025

Project Round Up: Eni SpA, Idemitsu Renewables Americas, NextEra Energy, Ormat Technologies

This week’s project roundup features updates and details for development assets by Eni SpA, Idemitsu Renewables Americas Inc., NextEra Energy Inc., Ormat Technologies Inc., and others.

Featured image for “MISO seeks FERC approval for latest round of distributed energy resource integration rules”
March 20, 2025

MISO seeks FERC approval for latest round of distributed energy resource integration rules

The grid manager’s revisions aim to clarify coordination between electric distribution companies and distributed energy resource aggregators during grid reliability events.

Featured image for “MISO aims for quicker generator review process to avert looming capacity shortfall”
March 19, 2025

MISO aims for quicker generator review process to avert looming capacity shortfall

The new process aims to accelerate the study of generation projects critical for grid reliability, as MISO faces a capacity shortfall that could grow to 4.7 GW by 2028.

Featured image for “ALLETE wins federal approval for transmission rate incentives for $1B power line modernization project”
March 19, 2025

ALLETE wins federal approval for transmission rate incentives for $1B power line modernization project

Conditional approval has been granted for North Dakota facilities pending state regulatory clearance, while full approval has been granted for the Minnesota portion of the project.

Featured image for “FERC upholds MISO’s changes to capacity market and reliability rules, dismissing protests from advocacy groups”
March 11, 2025

FERC upholds MISO’s changes to capacity market and reliability rules, dismissing protests from advocacy groups

FERC’s ruling affirms MISO’s discretion in how rules are set for measuring resources’ contributions to grid reliability, paving the way for implementation starting in the 2028/2029 planning year.

Featured image for “MISO gets a year reprieve on grid overhaul, sparks opposition”
December 12, 2024

MISO gets a year reprieve on grid overhaul, sparks opposition

FERC has provided MISO with a 12-month extension for compliance with Order No. 1920 transmission planning rules, except for interregional transmission coordination.

Featured image for “Billionaire investors approved to acquire peaker gas plant in Massachusetts”
December 10, 2024

Billionaire investors approved to acquire peaker gas plant in Massachusetts

The acquisition expands investors’ generation portfolio spanning Massachusetts and New York.

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