Ameren Missouri.
electric power and natural gas utility owned by Ameren Corporation
- Reports this week
- 0
- Active events
- 1
- Connections
- 26
What's happening
Earlier this month
One to three months ago
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Ameren Missouri is operating its power grid and adding smart grid technology in various locations across Missouri.Well supported5 reports3 developments inside
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Sierra Club criticized Ameren's plan to build a new gas plant, noting that solar/storage projects in Arkansas are becoming cost-competitive, while gas turbine costs in South Carolina have doubled.Some support1 report
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Ameren Missouri operates under the oversight of the Public Service Commission while operating in Missouri.Some support1 report
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Ameren Corp. is based in St. Louis.Some support2 reports
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Severe thunderstorms caused widespread power outages in Mid-Missouri on July 6, 2026.Some support2 reports2 developments inside
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Power outages due to storms affecting Ameren's service area in Mid-Missouri, specifically impacting Cole County.Some support2 reports
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Power outages affected Ameren Missouri customers in Moniteau County on July 6, 2026.Some support1 report
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Ameren Missouri is seeking rate increase approval from the Public Service Commission.Some support1 report
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New electric service rates became effective for Ameren and Ameren Missouri on August 1, 2025.Some support2 reports
Gone quiet
No new reports in 90+ days-
Amazon's project in Missouri requires a new bridge over a railway line and involves Ameren Missouri for electric grid connection.Some support1 report
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Ameren Missouri, a segment of Ameren, faced competition from rival NextEra Energy on June 16, 2026.Some support1 report
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Ameren Missouri partnered with United Way of Greater St. Louis to provide assistance and donations to the community.Some support1 report
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Ameren Missouri is a subsidiary of Ameren Corporation.Well supported8 reports
No events began in the chosen period. Widen it, or reset.
Around Ameren Missouri this week
News at the entities that move Ameren Missouri most-
Ameren StructuralAmeren and TXNM Energy are being compared as utilities companies.Moves Ameren Missouri
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Public Service Commission StructuralDavid McCormick filed formal complaints regarding poor service quality and is undergoing investigation by the Public Service Commission.Moves Ameren Missouri
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Amazon.com, Inc. StructuralAmundi increased its stock holding in Amazon.com, Inc. on September 28, 2026.Moves Ameren Missouri
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Missouri Shared contextKash Patel is confirmed as the FBI Director, while former deputy director Andrew Bailey returns to Missouri.Moves Ameren Missouri
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Sierra Club OperationalThe Sierra Club is active in protecting public lands in the US while facing political challenges and threats from the Trump administration, which are being reported by outlets like NPR.Moves Ameren Missouri
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Amazon StructuralNvidia is expanding its platform deployment across major cloud providers, including Google Cloud and Microsoft Azure.Moves Ameren Missouri
Connections
The 19 strongest of 26, analyzed from the reporting. The bars show how strongly a change on one side reaches the other.-
Ameren Structural
Ameren Missouri functions as a subsidiary segment of Ameren Corporation, providing electric generation and distribution services.
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AEE Structural
Ameren Missouri is a subsidiary of Ameren Corporation.
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Public Service Commission Structural
The Public Service Commission formally regulates Ameren Missouri, requiring commission approval for utility rate increases.
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Amazon.com, Inc. Structural
Amazon.com receives services from Ameren Missouri that cover 100% of its electric service costs.
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Cole County Structural
Ameren provides essential power services required for the continued operation of Cole County.
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Sierra Club Operational
Sierra Club is actively opposing Ameren Missouri's proposed gas plant project through organized criticism.
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Amazon Structural
Amazon's operations are structurally dependent on Ameren Missouri's electric grid, involving shared cost arrangements for connection.
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Festus Transactional
Ameren's power studies are a required service component for the unnamed project initiated by A.
Show all 19 connections
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Mid-Missouri Shared context
Ameren Missouri operates within the geographical service area of Mid-Missouri.
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Moberly Shared context
Ameren Missouri operates within the geographical context of Moberly, specifically by introducing smart grid technology.
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Evergy Shared context
Both companies operate as investor-owned utilities subject to regulatory requirements regarding large-load tariffs.
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Missouri Shared context
Ameren Missouri operates as a regulated utility company within the geographical and legal boundaries of the State of Missouri.
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South Carolina Mentioned together
A single snapshot links the two entities via a competitive label regarding gas turbine costs in South Carolina.
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St. Louis Shared context
Ameren Missouri is located in and serves customers within the St. Louis metropolitan area.
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Ed Bryant Operational
A is involved in a council that is currently studying Ameren's rate proposal, indicating a functional regulatory interaction.
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St. Charles County Shared context
Ameren Missouri plans to build a new gas plant within the jurisdiction of St. Charles County.
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Jefferson City Shared context
Ameren operates within the operational context of Jefferson City, including infrastructure and local conditions.
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Arkansas Shared context
Ameren Missouri is mentioned in the context of cost-competitive solar/storage projects operating within Arkansas.
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Amazon Web Services Operational
AWS utilizes Ameren Missouri's services under agreements concerning energy and utility costs.
History
Events by the month they beganSeptember 2026
1 eventJuly 2026
8 events- Ameren Missouri is operating its power grid and adding smart grid technology in various locations across Missouri.
- Sierra Club criticized Ameren's plan to build a new gas plant, noting that solar/storage projects in Arkansas are becoming cost-competitive, while gas turbine costs in South Carolina have doubled.
- Ameren Missouri operates under the oversight of the Public Service Commission while operating in Missouri.
- Ameren Corp. is based in St. Louis.
- Severe thunderstorms caused widespread power outages in Mid-Missouri on July 6, 2026.
- Power outages due to storms affecting Ameren's service area in Mid-Missouri, specifically impacting Cole County.
- Power outages affected Ameren Missouri customers in Moniteau County on July 6, 2026.
- Ameren Missouri is seeking rate increase approval from the Public Service Commission.
June 2026
6 events- Amazon Web Services is establishing a new data center campus in Missouri, alongside agreements made regarding energy and utility costs with Ameren.
- New electric service rates became effective for Ameren and Ameren Missouri on August 1, 2025.
- Amazon's project in Missouri requires a new bridge over a railway line and involves Ameren Missouri for electric grid connection.
- Ameren Missouri, a segment of Ameren, faced competition from rival NextEra Energy on June 16, 2026.
- Ameren Missouri partnered with United Way of Greater St. Louis to provide assistance and donations to the community.
- Ameren Missouri is a subsidiary of Ameren Corporation.