MWPowerPlantFacts

Data last collected:

EIA plant 533

Gantt · Covington · AL

McWilliams

Operated by PowerSouth Energy Cooperative

Annual generation2,898,570 MWhSum of represented EIA-923 rows
Fuel codesNGCodes retained from EIA records
Grid contextSouthern Company Services, Inc. - TransBalancing authority or NERC region

Published location

Where is McWilliams?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

31.400255, -86.476449

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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

TechnologyNatural Gas Fired Combined Cycle654 MW represented

Grouped from this plant’s represented generator records. Use the AL plant index for regional peers.

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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.

1234,465
2162,138
3218,989
496,258
5167,649
6279,162
7338,157
8363,603
9313,166.01
10122,648
11346,844
12255,491

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
Electricity output across the year — MWh net generation
RecordMWh net generation
1234,465
2162,138
3218,989
496,258
5167,649
6279,162
7338,157
8363,603
9313,166.01
10122,648
11346,844
12255,491

2024 monthly net generation

MonthNet generation
1234,465 MWh
2162,138 MWh
3218,989 MWh
496,258 MWh
5167,649 MWh
6279,162 MWh
7338,157 MWh
8363,603 MWh
9313,166 MWh
10122,648 MWh
11346,844 MWh
12255,491 MWh

Operating generators

IDTechnologyFuelMWStatus
VAN3Natural Gas Fired Combined CycleNG177OP
VAN1Natural Gas Fired Combined CycleNG165OP
VAN2Natural Gas Fired Combined CycleNG165OP
4Natural Gas Fired Combined CycleNG107OP
3Natural Gas Fired Combined CycleNG25OP
1Natural Gas Fired Combined CycleNG7.5OP
2Natural Gas Fired Combined CycleNG7.5OP

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Similar-capacity plants in the same state

Identity, technology and limitations
EIA plant ID
533
Sector
Electric Utility
Water source
Conecuh River
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 McWilliams 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?

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A closer look at McWilliams

Variation in the published months

Across 12 numeric monthly generation entries, 8 has the highest recorded value (363,603 MWh) and 4 the lowest (96,258 MWh). Their difference is 267,345 MWh. Missing months have not been treated as zero.

Reading the MW column

In the 7 numeric rows displayed in this table, MW ranges from 7.5 (1, 2) to 177 (VAN3). The difference is 169.5 in the column's stated units. This summary covers the displayed rows and retains the table's period and scope.

Generator capacity in different operating conditions

Generator IDTechnologyNameplate MWSummer MWWinter MWMinimum load MW
1Natural Gas Fired Combined Cycle7.58.08.02.5
2Natural Gas Fired Combined Cycle7.58.08.02.5
3Natural Gas Fired Combined Cycle25.015.015.05.0
4Natural Gas Fired Combined Cycle107.0109.0121.06.0
VAN1Natural Gas Fired Combined Cycle165.0168.0203.090.0
VAN2Natural Gas Fired Combined Cycle165.0168.0203.090.0
VAN3Natural Gas Fired Combined Cycle177.0174.0186.060.0

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.

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