Brownfield & Retired Power Plant Sites in Missouri
39 catalogued brownfield and retired-generation sites in Missouri, listed by former capacity. Each carries an existing utility-scale grid interconnection that a new datacenter load may be able to re-use.
At a glance
What kinds of former sites are in Missouri?
By former use, the list includes 17 oil, 10 natural gas, 9 coal, 2 Superfund, 1 brownfield. Recorded retirement dates run from September 2003 to October 2024, with 19 retirements in 2015 or later. 39 of 39 sites with a measured distance sit within 2 miles of a transmission substation.
How does Missouri compare with other states?
Missouri ranks 17th of 50 states and DC by number of brownfield and retired-generation sites, out of 2,085 nationally. By recorded capacity (4,574 MW) it ranks 21st, against 289,280 MW across all states. The state also has 3,413 scored datacenter candidate sites, 12 of them classed as brownfield sites, averaging 55.7 on the 0–100 DC Readiness scale.
Where in Missouri are these sites?
- Macon County · 4
- Jackson County · 3
- St Francois County · 3
- St Louis County · 2
- Greene County · 2
- Boone County · 2
- Cape Girardeau County · 2
- Dunklin County · 2
- Jefferson County · 1
- Henry County · 1
- Jasper County · 1
- Stoddard County · 1
- Clay County · 1
- Platte County · 1
- Saline County · 1
- Adair County · 1
- Livingston County · 1
- Callaway County · 1
- Grundy County · 1
- Scott County · 1
- Daviess County · 1
- Bates County · 1
- Linn County · 1
- Carroll County · 1
All brownfield and retired plant sites in Missouri
| Site | Former use | Capacity | Retired | County |
|---|---|---|---|---|
| Rush Island | coal | 1,242 MW | 2024-10-01 | Jefferson |
| Meramec | coal | 1,041 MW | 2022-12-01 | St Louis |
| Montrose | coal | 564 MW | 2018-12-01 | Henry |
| Sibley | coal | 524 MW | 2018-12-01 | Jackson |
| James River Power Station | gas | 253 MW | 2020-12-01 | Greene |
| Asbury | coal | 232 MW | 2020-03-01 | Jasper |
| Blue Valley | gas | 176 MW | 2020-06-01 | Jackson |
| Essex | gas | 108 MW | — | Stoddard |
| Grand Avenue | gas | 83 MW | 2003-12-01 | Jackson |
| Howard Bend | oil | 47 MW | 2015-02-01 | St Louis |
| Missouri City | coal | 46 MW | 2016-01-01 | Clay |
| Columbia (MO) | coal | 39 MW | 2019-12-01 | Boone |
| Kansas City International | gas | 36 MW | 2020-12-01 | Platte |
| Viaduct | gas | 31 MW | 2011-09-01 | Cape Girardeau |
| Marshall (MO) | coal | 27 MW | 2016-12-01 | Saline |
| Main Street (MO) | oil | 15 MW | 2010-10-01 | Greene |
| Kirksville | gas | 15 MW | 2018-01-01 | Adair |
| Chillicothe | coal | 14 MW | 2004-03-01 | Livingston |
| Kennett | gas | 12 MW | 2019-12-01 | Dunklin |
| Macon | oil | 10 MW | 2018-04-01 | Macon |
| Sub 3 Generating Station | oil | 7 MW | 2023-05-01 | Macon |
| MU Combined Heat and Power Plant | gas | 6 MW | 2023-10-01 | Boone |
| Jefferson Street Substation | oil | 6 MW | 2012-03-01 | St Francois |
| Fulton (MO) | oil | 5 MW | 2012-05-01 | Callaway |
| Trenton Diesel | oil | 4 MW | 2011-09-01 | Grundy |
| Coleman | oil | 4 MW | 2011-06-01 | Scott |
| Walton Street Substation | oil | 4 MW | 2012-03-01 | St Francois |
| La Plata | oil | 4 MW | 2012-03-01 | Macon |
| Sub 2 Generating Station | oil | 4 MW | 2023-05-01 | Macon |
| Gallatin #2 | oil | 4 MW | 2003-09-01 | Daviess |
| Oronogo-Duenweg Mining Belt Superfund Solar Site | superfund | 2 MW | — | — |
| Jackson (MO) | oil | 2 MW | 2006-01-01 | Cape Girardeau |
| Elm Street Substation Generators | oil | 2 MW | 2012-03-01 | St Francois |
| Butler Municipal Power Plant | oil | 1 MW | 2020-07-01 | Bates |
| Malden | oil | 1 MW | 2013-02-01 | Dunklin |
| Marceline | oil | 1 MW | 2006-12-01 | Linn |
| Carrollton | gas | 1 MW | 2005-08-01 | Carroll |
| Busy Bee's Laundry | brownfield | 1 MW | — | — |
| Armour Road | superfund | 0 MW | — | — |
Frequently asked questions
How many retired power plants are in Missouri?
GridCensus lists 36 retired power plant sites in Missouri from EIA-860 retirement records. 35 have a recorded retirement date, 19 of them in 2015 or later.
What is the largest retired power plant or brownfield site in Missouri?
Rush Island in Festus is the largest by recorded capacity, at 1,242 MW. It is followed by Meramec (1,041 MW) and Montrose (564 MW).
Which power plant in Missouri retired most recently?
Rush Island has the latest recorded retirement date in the state, October 2024, with 1,242 MW of capacity.
Which county in Missouri has the most brownfield and retired plant sites?
Macon County has the most, with 4, followed by Jackson County with 3.
How many EPA brownfield sites in Missouri have completed cleanup?
3 of the 3 EPA-tracked sites listed for Missouri are recorded as cleanup complete.
Looking for a specific record? The directory lists every brownfield site, A to Z.
More on Missouri, and states with similar counts
- Datacenter candidate sites in Missouri· 3,413 sites
- Electric substations in Missouri· 74 named
- Brownfield candidate sites nationwide
- Brownfield sites by state
- Brownfield sites in North Carolina· 41 sites
- Brownfield sites in Georgia· 37 sites
- Brownfield sites in Indiana· 45 sites
- Brownfield sites in Louisiana· 37 sites
About this data
Source: EIA-860 retired generating units and EPA RE-Powering America's Land contaminated-site records, as published March 6, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Brownfield and retired power plant sites in Missouri”, https://gridcensus.com/brownfield-sites/missouri (data as of March 6, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for brownfield sites in Missouri is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.