|
Indorama Ventures Oxides LLC submitted an extension request on October 13, 2024, seeking a two-year compliance period extension for emission control projects mandated by the EPA's final rule on hazardous air pollutants, effective July 15, 2024.
|
2024 |
2025-EPA-04883 |
0006002
|
1 |
|
Indorama's compliance schedule for emission control projects at the Port Neches Facility includes planned construction starting October 1, 2024, with completion by March 31, 2029, while acknowledging potential delays and the need for additional relief from EPA compliance deadlines.
|
2024 |
2025-EPA-04883 |
0006006
|
1 |
|
The EPA's interim release for FOIA request 2025-EPA-04883 discusses the environmental and economic implications of the Lime Rule, arguing that compliance is not feasible with available technology and poses national security risks.
|
2024 |
2025-EPA-04883 |
0006024
|
1 |
|
On September 10, 2025, Panther Creek Power submitted an exemption request to EPA Administrator Lee Zeldin regarding the MATS Rule, seeking additional time to comply with emission standards for coal- and oil-fired electric utility steam generating units.
|
2024 |
2025-EPA-04883 |
0006040
|
1 |
|
Hugo Generating Station's MATS Presidential Exemption Request discusses the implications of regulatory changes on coal-based electric generation units and the potential for capacity shortfalls, citing concerns from the North American Electric Reliability Corporation and referencing President Trump's National Energy Emergency declaration.
|
2024 |
2025-EPA-04883 |
0006061
|
1 |
|
NorthWestern Energy's report outlines concerns regarding its capacity to meet customer demands due to expiring market contracts and reliance on market purchases, emphasizing the need for additional peaking and flexible capacity resources.
|
2024 |
2025-EPA-04883 |
0006150
|
1 |
|
Declaration by Dale E. Lebsack, Jr., President of Talen Montana, submitted in USCA Case #24-1190 on June 27, 2024, supporting petitioners' motion to stay a final rule.
|
2024 |
2025-EPA-04883 |
0006165
|
1 |
|
A declaration submitted by the President of Talen Montana in support of a joint motion to stay the EPA's Mercury and Air Toxics Standards final rule, detailing the impact on Talen Montana's operations and economic interests.
|
2024 |
2025-EPA-04883 |
0006166
|
1 |
|
Talen Montana operates Units 3 and 4 at the Colstrip Power Plant in Montana, which has a combined capacity of 1,480 MW and plays a key role in regional electricity supply.
|
2024 |
2025-EPA-04883 |
0006167
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the financial implications of the MATS Final Rule on Colstrip, estimating compliance costs over $350 million and potential severe economic consequences for Montana.
|
2024 |
2025-EPA-04883 |
0006168
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the contentious compliance issues among Colstrip's owners regarding the MATS Final Rule and the potential financial implications of emissions control installations.
|
2024 |
2025-EPA-04883 |
0006169
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses Talen Montana's compliance options and financial implications related to Colstrip's ownership structure and the MATS Final Rule.
|
2024 |
2025-EPA-04883 |
0006170
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the operational differences between Talen Montana as a merchant power producer and traditional regulated utilities regarding cost recovery and market exposure.
|
2024 |
2025-EPA-04883 |
0006171
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses ownership interests and regulatory impacts on Colstrip Units 3 and 4, co-owned by Talen Montana and several utilities, in light of Oregon and Washington's clean energy laws.
|
2024 |
2025-EPA-04883 |
0006173
|
1 |
|
Market price volatility for electricity affects Talen Montana's ability to recover costs for pollution control investments, complicating long-term planning and decision-making among Colstrip's six owners due to differing financial motivations and regulatory considerations.
|
2024 |
2025-EPA-04883 |
0006172
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the regulatory compliance of Colstrip units in Washington and Oregon, detailing ownership interests and the impact of state laws on coal-fired power plants.
|
2024 |
2025-EPA-04883 |
0006174
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses Talen Montana's position on compliance with the MATS Final Rule and the contentious future of the Colstrip plant among its owners.
|
2024 |
2025-EPA-04883 |
0006175
|
1 |
|
USCA Case #24-1190 filed on 06/27/2024 discusses the ongoing litigation and arbitration among Colstrip's owners regarding retirement plans and compliance with the MATS Final Rule.
|
2024 |
2025-EPA-04883 |
0006176
|
1 |
|
USCA Case #24-1190 filed on 06/27/2024 discusses financial risks and disputes among Colstrip owners regarding compliance with the MATS Final Rule and the implications of installing new emissions control systems.
|
2024 |
2025-EPA-04883 |
0006178
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses Talen Montana's operational challenges as the Colstrip operator amid differing business models and regulatory considerations among co-owners.
|
2024 |
2025-EPA-04883 |
0006177
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the MATS Final Rule's stringent fPM limits, requiring Colstrip to potentially invest over $350 million in new emissions control systems or face premature retirement by July 8, 2027.
|
2024 |
2025-EPA-04883 |
0006179
|
1 |
|
Burns & McDonnell's April 2024 evaluation outlines Talen Montana's ongoing efforts to estimate costs and engineering for pollution control equipment to comply with the MATS Final Rule, anticipating a $350 million project timeline extending to 2027.
|
2024 |
2025-EPA-04883 |
0006180
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the implications of the MATS Final Rule on Talen Montana and Colstrip owners regarding compliance deadlines and potential disputes over pollution control investments.
|
2024 |
2025-EPA-04883 |
0006181
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses Talen Montana's considerations regarding pollution control investments and operational timelines for the Colstrip facility in light of the GHG Rule and MATS Final Rule.
|
2024 |
2025-EPA-04883 |
0006182
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses Talen Montana's inability to recoup compliance costs for the MATS Final Rule, estimating annualized capital costs of $109 million to $133 million, potentially leading to Colstrip's premature retirement.
|
2024 |
2025-EPA-04883 |
0006183
|
1 |
|
USCA Case #24-1190 filed on 06/27/2024 discusses Talen Montana's operational risks and compliance efforts at Colstrip, noting its fPM emissions consistently below EPA's MATS limit since 2018.
|
2024 |
2025-EPA-04883 |
0006184
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses Talen Montana's concerns regarding regulatory uncertainty from the MATS Final Rule and GHG Rule affecting Colstrip's operational decisions and compliance costs.
|
2024 |
2025-EPA-04883 |
0006185
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses Talen Montana's compliance efforts with the MATS Final Rule and the implications for Colstrip's owners amid potential disputes and significant costs.
|
2024 |
2025-EPA-04883 |
0006186
|
1 |
|
USCA Case #24-1190 filed on 06/27/2024 discusses the potential economic impacts of the MATS Final Rule on Talen Montana and the Colstrip plant, emphasizing the urgency of decisions amid ongoing litigation.
|
2024 |
2025-EPA-04883 |
0006187
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, includes a statement from Dale E. Lebsack, Jr., President of Talen Montana, regarding the economic contributions of Colstrip and the potential harm from the MATS Final Rule.
|
2024 |
2025-EPA-04883 |
0006189
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the economic impact of Colstrip's potential early closure on Montana, projecting significant job losses, income reduction, and tax revenue decline.
|
2024 |
2025-EPA-04883 |
0006188
|
1 |
|
Attachment A to the Declaration of Dale E. Lebsack, Jr. includes select excerpts from the Burns & McDonnell Study related to the Sierra Club FOIA request 2025-EPA-04883, filed on June 27, 2024.
|
2024 |
2025-EPA-04883 |
0006190
|
1 |
|
A confidential evaluation report titled 'Co'strip Particulate Matter Control Cost Evaluation - Final,' prepared by Burns & McDonnell for Talen Montana, was filed on June 27, 2024, under USCA Case #24-1190.
|
2024 |
2025-EPA-04883 |
0006191
|
1 |
|
Final evaluation report on Colstrip Steam Electric Station emissions control technologies, including cost analyses and descriptions of Pulse-Jet Fabric Filters and Dry Electrostatic Precipitators, filed under USCA Case #24-1190 on April 29, 2024.
|
2024 |
2025-EPA-04883 |
0006192
|
1 |
|
Burns & McDonnell conducted a cost evaluation for two particulate control options to comply with the proposed Mercury and Air Toxics Standards (MATS) Rule, detailing capital and operational costs for an Electrostatic Precipitator and a fabric filter as part of FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006193
|
1 |
|
Final evaluation report for USCA Case #24-1190 detailing capital cost estimates for the Colstrip Power Station's fabric filter and ESP, filed by Burns & McDonnell on April 29, 2024.
|
2024 |
2025-EPA-04883 |
0006194
|
1 |
|
The April 29, 2024, evaluation report for Colstrip Units 3 and 4 outlines operation and maintenance cost estimates for particulate emissions control options, recommending fabric filters with a total capital cost of $356,426,000 and an annual O&M cost of $14,786,000.
|
2024 |
2025-EPA-04883 |
0006195
|
1 |
|
The April 29, 2024, report evaluates compliance options for reducing filterable particulate matter emissions at the Colstrip Steam Electric Station in Montana, detailing cost estimates for installing new pollution control technologies.
|
2024 |
2025-EPA-04883 |
0006196
|
1 |
|
Final evaluation report by Burns & McDonnell dated April 29, 2024, detailing cost estimates for equipment related to a project, including limitations on projections due to various uncontrollable factors.
|
2024 |
2025-EPA-04883 |
0006197
|
1 |
|
Final evaluation of emission reduction technologies for the Colstrip facility, detailing the pulse-jet fabric filter and electrostatic precipitator as potential solutions to meet MATS particulate emissions regulations, dated April 29, 2024.
|
2024 |
2025-EPA-04883 |
0006198
|
1 |
|
Final evaluation of emission reduction technology, specifically detailing the pulse-jet fabric filter process, filed under USCA Case #24-1190 on April 29, 2024, as part of FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006199
|
1 |
|
The April 29, 2024, document titled 'Emission Reduction Technology Assessment' evaluates the advantages and disadvantages of pulse-jet fabric filters for particulate matter control, detailing their operational efficiency and maintenance benefits.
|
2024 |
2025-EPA-04883 |
0006200
|
1 |
|
The April 29, 2024 evaluation report from the USCA Case #24-1190 assesses emission reduction technologies, detailing limitations of fabric filters and advantages of dry electrostatic precipitators for particulate matter control.
|
2024 |
2025-EPA-04883 |
0006201
|
1 |
|
Final evaluation report on emission reduction technology assessing dry electrostatic precipitators, detailing their operational mechanics and efficiency factors, dated April 29, 2024, under USCA Case #24-1190.
|
2024 |
2025-EPA-04883 |
0006202
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, includes a final evaluation of electrostatic precipitators, detailing their advantages and disadvantages in particulate matter removal technology.
|
2024 |
2025-EPA-04883 |
0006203
|
1 |
|
Final evaluation of emission guarantees for the Colstrip facility, dated April 29, 2024, discusses the atypical configuration of a wet particulate scrubber and the confidence of Southern Environmental Inc in meeting proposed MATS rates.
|
2024 |
2025-EPA-04883 |
0006204
|
1 |
|
Cost evaluation report for control technologies at Colstrip, detailing capital and operational costs based on vendor estimates, prepared by Burns & McDonnell, dated April 29, 2024, under FOIA ID 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006205
|
1 |
|
Final cost evaluation for the Colstrip Power Station's fabric filter and ESP, detailing capital costs and project estimates, filed in USCA Case #24-1190 on April 29, 2024.
|
2024 |
2025-EPA-04883 |
0006206
|
1 |
|
A cost evaluation report dated April 29, 2024, outlines the project cost estimates for the Colstrip facility, including equipment pricing, labor rates, and indirect costs, as part of USCA Case #24-1190.
|
2024 |
2025-EPA-04883 |
0006207
|
1 |
|
Final cost evaluation for the 115kV line and associated electrical systems at the facility, detailing equipment needs and integration with existing systems, dated April 29, 2024, under FOIA ID 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006208
|
1 |
|
Final cost evaluation for a fabric filter and ductwork design, detailing structural estimates and material quantities, prepared by Burns & McDonnell for the EPA, dated April 29, 2024, under FOIA ID 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006210
|
1 |
|
Final cost evaluation for the fabric filter option, detailing management, engineering, and equipment costs for commissioning remote IO cabinets into the existing DCS, dated April 29, 2024, under USCA Case #24-1190.
|
2024 |
2025-EPA-04883 |
0006209
|
1 |
|
Final evaluation report for particulate matter control at Colstrip, dated April 29, 2024, detailing operation and maintenance costs, emission rates, and economic impacts for control technologies, filed under USCA Case #24-1190.
|
2024 |
2025-EPA-04883 |
0006211
|
1 |
|
Final evaluation report by Burns & McDonnell dated April 29, 2024, assessing costs and impacts of two particulate control options at Colstrip to comply with the proposed MATS Rule, including necessary studies for ash disposal and electrical load.
|
2024 |
2025-EPA-04883 |
0006212
|
1 |
|
Declaration of Dale E. Lebsack, Jr., President of Talen Montana, LLC, filed on June 27, 2024, in support of staying the GIIG Rule related to Sierra Club FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006213
|
1 |
|
A report detailing Talen Entities' operations and compliance with the Final Rule under Section 111(d) of the Clean Air Act, focusing on their coal-fired units at the Colstrip Steam Electric Station in Montana.
|
2024 |
2025-EPA-04883 |
0006216
|
1 |
|
A report discusses the feasibility and cost evaluations for compliance options at Colstrip Units 3 and 4, emphasizing the challenges posed by ownership structure and regulatory deadlines under the EPA's MATS Rule.
|
2024 |
2025-EPA-04883 |
0006218
|
1 |
|
A report discusses the financial implications and operational challenges for Colstrip Units 3 and 4 under the proposed regulations, concluding that compliance costs may necessitate their retirement by January 1, 2032.
|
2024 |
2025-EPA-04883 |
0006223
|
1 |
|
Attachment C to the Declaration of Dale E. Lebsack, Jr. includes an economic study by Dr. Patrick M. Barkey, Ph.D., related to USCA Case #24-1190, filed on June 27, 2024.
|
2024 |
2025-EPA-04883 |
0006226
|
1 |
|
The U.S. Environmental Protection Agency released a final report on April 25, 2024, analyzing the economic implications of the revised Mercury Air and Toxics Standards on Montana's Colstrip Steam Electric Station and its associated coal mine.
|
2024 |
2025-EPA-04883 |
0006227
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the economic impact of the potential closure of the Colstrip SES and Rosebud Mine, projecting a loss of 3,262 jobs and $240.3 million in household income by 2028.
|
2024 |
2025-EPA-04883 |
0006228
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, outlines the economic implications of MATS rulemaking in Montana, projecting a loss of $102.8 million in state revenues and over 4,100 people leaving the state by 2040 due to closures at the Colstrip SES and Rosebud Mine.
|
2024 |
2025-EPA-04883 |
0006229
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the economic implications of the MATS rulemaking on Montana, detailing employment impacts across various industries due to the closure of the Colstrip SES and Rosebud Mine.
|
2024 |
2025-EPA-04883 |
0006231
|
1 |
|
USCA Case #24-1190 filed on 06/27/2024 discusses significant job losses and economic impacts in Montana due to the closure of the Colstrip SES and Rosebud Mine as a result of MATS rulemaking.
|
2024 |
2025-EPA-04883 |
0006230
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, includes analysis of personal income impacts due to the MA TS Rulemaking in Montana, detailing losses from job declines and non-labor income sources.
|
2024 |
2025-EPA-04883 |
0006232
|
1 |
|
USCA Case #24-1190 filed on 06/27/2024 includes economic impact tables detailing the financial implications of MATS rulemaking in Montana, showing significant losses in wages, jobs, and industry revenues.
|
2024 |
2025-EPA-04883 |
0006233
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the economic implications of the MATS rulemaking in Montana, detailing revenue impacts exceeding $100 million annually due to closures in Colstrip.
|
2024 |
2025-EPA-04883 |
0006234
|
1 |
|
The report analyzes the economic implications of the EPA's MATS rulemaking in Montana, predicting a loss of 3,262 jobs by 2028 due to the closure of the Colstrip Steam Electric Station.
|
2024 |
2025-EPA-04883 |
0006235
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, includes references to studies on economic impacts and air quality management related to the Sierra Club FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006236
|
1 |
|
Appendix A of USCA Case #24-1190, filed on June 27, 2024, contains REMI Model Output related to economic impacts for the NIATS rulemaking, as part of FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006237
|
1 |
|
USCA Case #24-1190 includes a document filed on June 27, 2024, detailing economic impacts related to rulemaking and a comparison forecast for Montana.
|
2024 |
2025-EPA-04883 |
0006238
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, includes document #2062093 related to the MATS rule and its impacts, referenced in Sierra Club FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006239
|
1 |
|
USCA Case #24-1190 includes document #2062093 filed on June 27, 2024, related to Sierra Club's FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006240
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, includes a document discussing employment forecasts and differences related to MATS impacts as part of Sierra Club FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006241
|
1 |
|
USCA Case #24-1190, filed on June 27, 2024, includes document #2062093 related to the Sierra Club FOIA request 2025-EPA-04883, with a focus on regulatory matters.
|
2024 |
2025-EPA-04883 |
0006242
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, includes document #2062093 related to Sierra Club FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006243
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, includes a comparison of employment forecasts related to the MATS rulemaking impacts as part of Sierra Club FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006244
|
1 |
|
USCA Case #24-1190 document filed on 06/27/2024 discusses the income profile impacts of the MATS rulemaking, specifically comparing forecast differences in Montana.
|
2024 |
2025-EPA-04883 |
0006245
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the impacts of NIAIS rulemaking on income profiles, as part of the Sierra Club FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006246
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, includes document #2062093 related to the impacts of the MATS rulemaking, associated with Sierra Club FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006247
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the impacts of the MATS rulemaking on population demographics in Montana, as part of Sierra Club FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006249
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, includes document #2062093 related to the MATS rulemaking impacts, referenced in Sierra Club FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006248
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, includes document #2062093 discussing impacts of IAIS rulemaking on population demographics across all races.
|
2024 |
2025-EPA-04883 |
0006250
|
1 |
|
Appendix B of USCA Case #24-1190, filed on June 27, 2024, describes the REMI model methodology used to analyze the economic impact of closing the Colstrip SES and Rosebud Mine on Montana's economy.
|
2024 |
2025-EPA-04883 |
0006251
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, includes a schematic model of REMI linkages related to population, labor supply, and market shares, as part of the Sierra Club FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006252
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the economic impacts of the closure of the Colstrip SES and Rosebud Mine, utilizing the REMI model to analyze regional economic adjustments.
|
2024 |
2025-EPA-04883 |
0006253
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, includes figures illustrating labor and capital demand linkages, demographic linkages, and employment metrics related to the Sierra Club FOIA request 2025-EPA-04883.
|
2024 |
2025-EPA-04883 |
0006254
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, includes a figure detailing economic linkages related to wages, prices, and production costs, focusing on the potential impacts of closing the Colstrip SES and Rosebud Mine by mid-2027.
|
2024 |
2025-EPA-04883 |
0006255
|
1 |
|
Declaration by John D. Hines, Vice President of NorthWestern Energy, filed on June 27, 2024, in support of a motion to stay the EPA's Proposed MATS2 Rule regarding emissions standards for coal and oil-fired electric utility units.
|
2024 |
2025-EPA-04883 |
0006257
|
1 |
|
A declaration filed on June 27, 2024, in USCA Case #24-1190 discusses NorthWestern's evaluation of the MATS2 Rule's impact on its ownership of the Colstrip Steam Electric Station in Montana, including potential closure scenarios.
|
2024 |
2025-EPA-04883 |
0006259
|
1 |
|
Comments submitted by NorthWestern on August 8, 2023, regarding New Source Performance Standards for Greenhouse Gas Emissions, including attachments labeled as NorthWestern GHG Rule Comments, are referenced in USCA Case #24-1190.
|
2024 |
2025-EPA-04883 |
0006258
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses NorthWestern's concerns regarding compliance costs associated with the MAIS2 Rule and the potential closure of coal-fired EGUs by 2032.
|
2024 |
2025-EPA-04883 |
0006260
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the potential closure of Colstrip Units 3 & 4 and its impact on Montana's electrical grid reliability, along with EPA's interpretation of regulatory authorities regarding the MATS and GHG Rules.
|
2024 |
2025-EPA-04883 |
0006261
|
1 |
|
A declaration filed in USCA Case #24-1190 on June 27, 2024, discusses NorthWestern's acquisition of Avista's shares in Colstrip Units 3 & 4 and the financial implications of compliance with the MATS2 Rule.
|
2024 |
2025-EPA-04883 |
0006262
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses NorthWestern's inability to operate Colstrip beyond December 31, 2031, under the CiHCi Rule, citing astronomical compliance costs and imprudent investment risks.
|
2024 |
2025-EPA-04883 |
0006263
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses NorthWestern's regulatory processes for electricity rate increases, detailing the requirements for cost recovery and the impact of regulatory lag on the company's creditworthiness.
|
2024 |
2025-EPA-04883 |
0006264
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses the Michigan Public Service Commission's approval of a 28% increase in residential electricity rates and the financial implications for NorthWestern due to compliance costs associated with the MAIS2 and MATS2 Rules.
|
2024 |
2025-EPA-04883 |
0006265
|
1 |
|
NorthWestern's filing in USCA Case #24-1190 on June 27, 2024, discusses the implications of the MATS2 Rule on its upcoming rate case and the potential financial impacts on ratepayers and electric grid reliability related to the closure of the Colstrip facility.
|
2024 |
2025-EPA-04883 |
0006266
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses NorthWestern's electricity supply and balancing authority responsibilities in Montana, including its inability to replace Colstrip's capacity and compliance with Montana Public Service Commission objectives.
|
2024 |
2025-EPA-04883 |
0006267
|
1 |
|
USCA Case #24-1190 filed on June 27, 2024, discusses NorthWestern's legal obligations as a regulated public utility in Montana to provide reliable and cost-effective electricity while minimizing environmental impacts.
|
2024 |
2025-EPA-04883 |
0006268
|
1 |