Ameren Missouri.
electric power and natural gas utility owned by Ameren Corporation
- Reports this week
- 0
- Active events
- 3
- Connections
- 30
What's happening
Active this week
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Ameren Corp. is based in St. Louis.Some support4 reports
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Ameren Missouri is operating its power grid and adding smart grid technology in various locations across Missouri.Well supported5 reports4 developments inside
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The Sierra Club organized a protest against Ameren Missouri's operations in Missouri.Some support1 report
Earlier this month
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Ameren Missouri operates the state's only commercial nuclear power plant in Callaway County.Some support2 reports
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Bloom Energy purchased a building in Fremont to expand production capacity, while Ameren Missouri is a potential new client.Some support1 report
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Amazon Web Services is establishing a new data center campus in Missouri, alongside agreements made regarding energy and utility costs with Ameren.Some support2 reports
One to three months ago
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CRG is developing a data center facility in Festus, MO, and the project requires power studies from Ameren.Some support1 report
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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
Gone quiet
No new reports in 90+ days-
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
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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.
Explainers that pass through Ameren Missouri
Ameren Missouri is a step on the way to someone elseAround Ameren Missouri this week
News at the entities that move Ameren Missouri most-
Ameren StructuralMorgan Stanley provided analyst targets for Ameren shares.Moves Ameren Missouri
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AEE StructuralAVN Media Network hosted an event featuring AEE and Beau Butler in Las Vegas.Moves Ameren Missouri
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Public Service Commission StructuralJames Green calls for a halt to projects in North Louisiana as he runs for the Public Service Commission.Moves Ameren Missouri
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Amazon.com, Inc. StructuralProcter & Gamble became one of the first customers to use Amazon Supply Chain Services.Moves Ameren Missouri
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Missouri StructuralAARP advocates for voting rights in Missouri, and Gillette voted in the state's primary.Moves Ameren Missouri
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Sierra Club OperationalSierra Club is suing Vantage Data Centers over environmental impacts of a project in Port Washington, requiring DNR review.Moves Ameren Missouri
Connections
The 23 strongest of 30, 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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Missouri Structural
Ameren Missouri operates within the state and is subject to state regulatory oversight and laws.
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Sierra Club Operational
Sierra Club actively opposes Ameren Missouri's projects through criticism, legal action, and protests.
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Cole County Structural
Ameren provides essential power services required for the continued operation of Cole County.
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Amazon Structural
Amazon's operations are structurally dependent on Ameren Missouri's electric grid, involving shared cost arrangements for connection.
Show all 23 connections
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Missouri River Structural
Ameren Missouri operates facilities, such as the Labadie Coal Plant, which are physically located on the Missouri River.
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St. Louis Shared context
Ameren Missouri is headquartered in and serves customers within the St. Louis metropolitan area.
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Donald Trump Operational
The Trump administration's policy decisions, such as repealing the mercury rule, directly impact Ameren Missouri's regulatory environment.
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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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Callaway County Shared context
Ameren Missouri operates a commercial nuclear power plant located within Callaway County.
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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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Festus Transactional
Ameren's power studies are a required service component for the unnamed project initiated by A.
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Mid-Missouri Shared context
Ameren Missouri operates within the geographical service area of Mid-Missouri.
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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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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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Jefferson City Shared context
Ameren operates within the operational context of Jefferson City, including infrastructure and local conditions.
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Bloom Energy Operational
Ameren Missouri is considering Bloom Energy for potential business opportunities.
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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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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 beganOctober 2026
3 events- The Sierra Club organized a protest against Ameren Missouri's operations in Missouri.
- Ameren Missouri operates the state's only commercial nuclear power plant in Callaway County.
- Bloom Energy purchased a building in Fremont to expand production capacity, while Ameren Missouri is a potential new client.
September 2026
1 eventJuly 2026
8 events- Ameren Corp. is based in St. Louis.
- 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.
- 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.
Show 1 earlier month
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.