Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/6140
EIA plant 6140
Monroe City · Ralls · MO
Clarence Cannon
Operated by USCE-St Louis District
Published location
Where is Clarence Cannon?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
39.524791, -91.643969
Open the interactive map ↗Map data © OpenStreetMap contributors
Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
Equipment mix
Operating capacity by technology
Grouped from this plant’s represented generator records. Use the MO plant index for regional peers.
See the evidence
Electricity output across the year
Monthly net generation shows the seasonal shape of this plant's represented output. A negative value is retained when the source reports net consumption.
1344
24,060
31,606
42,298
539,296
615,630
79,292
818,948
94,060
102,106
11102
12-26
MWh net generation · 2024 final edition · EIA 923 represented operating rows. 12 of 12 supplied rows shown; 0 missing values omitted. Months with no reported numeric value are omitted, not treated as zero.
Read the chart as a table
| Record | MWh net generation |
|---|---|
| 1 | 344 |
| 2 | 4,060 |
| 3 | 1,606 |
| 4 | 2,298 |
| 5 | 39,296 |
| 6 | 15,630 |
| 7 | 9,292 |
| 8 | 18,948 |
| 9 | 4,060 |
| 10 | 2,106 |
| 11 | 102 |
| 12 | -26 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 344 MWh |
| 2 | 4,060 MWh |
| 3 | 1,606 MWh |
| 4 | 2,298 MWh |
| 5 | 39,296 MWh |
| 6 | 15,630 MWh |
| 7 | 9,292 MWh |
| 8 | 18,948 MWh |
| 9 | 4,060 MWh |
| 10 | 2,106 MWh |
| 11 | 102 MWh |
| 12 | -26 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 2 | Hydroelectric Pumped Storage | WAT | 31 | OP |
| 1 | Conventional Hydroelectric | WAT | 27 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
6140
Sector
Electric Utility
Water source
Mark Twain Lake
Data edition
2024-final
Use this record
Questions this evidence can answer
01What exactly is this record?
Use the name, place, date and identifiers above to confirm that you have the right Clarence Cannon power plant: capacity and generation | PowerPlantFacts record.
02What does the evidence establish?
Read the reported values with their units, coverage dates and source notes. Keep observed facts separate from estimates or interpretation.
03What should I verify next?
Follow the primary-source links and check the limitations before using this evidence for a decision, comparison or citation.
A closer look at Clarence Cannon
Variation in the published months
Across 11 numeric monthly generation entries, 5 has the highest recorded value (39,296 MWh) and 11 the lowest (102 MWh). Their difference is 39,194 MWh. Missing months have not been treated as zero.
Generator capacity in different operating conditions
| Generator ID | Technology | Nameplate MW | Summer MW | Winter MW | Minimum load MW |
|---|---|---|---|---|---|
| 1 | Conventional Hydroelectric | 27.0 | 27.0 | 27.0 | 27.0 |
| 2 | Hydroelectric Pumped Storage | 31.0 | 31.0 | 31.0 | 31.0 |
EIA-860 2024 final source. Ratings describe capacity, not actual generation or availability. Missing ratings are not zero.
Source: US Energy Information Administration Form EIA-860 2024 plant and operable-generator workbooks; archive 2024. US EIA-authored information is generally public domain; cite EIA, preserve third-party exceptions, changes and no-endorsement context. Source-specific derived data.