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EIA plant 7135

Morrilton · Conway · AR

Whillock

Operated by Arkansas Electric Coop Corp

Annual generation139,251 MWhSum of represented EIA-923 rows
Fuel codesWATCodes retained from EIA records
Grid contextMidcontinent Independent Transmission System Operator, Inc..Balancing authority or NERC region

Published location

Where is Whillock?

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

35.127591, -92.790273

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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

TechnologyConventional Hydroelectric32.4 MW represented

Grouped from this plant’s represented generator records. Use the AR 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.

116,746
215,077
315,407
415,966
57,215
617,926
711,445
810,661
94,849
102,829
1110,343
1210,787

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
116,746
215,077
315,407
415,966
57,215
617,926
711,445
810,661
94,849
102,829
1110,343
1210,787

2024 monthly net generation

MonthNet generation
116,746 MWh
215,077 MWh
315,407 MWh
415,966 MWh
57,215 MWh
617,926 MWh
711,445 MWh
810,661 MWh
94,849 MWh
102,829 MWh
1110,343 MWh
1210,787 MWh

Operating generators

IDTechnologyFuelMWStatus
1Conventional HydroelectricWAT10.8OP
2Conventional HydroelectricWAT10.8OP
3Conventional HydroelectricWAT10.8OP

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Similar-capacity plants in the same state

Identity, technology and limitations
EIA plant ID
7135
Sector
Electric Utility
Water source
Arkansas River
Data edition
2024-final

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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 Whillock power plant: capacity and generation | PowerPlantFacts record.

02What does the evidence establish?

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03What should I verify next?

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A closer look at Whillock

Variation in the published months

Across 12 numeric monthly generation entries, 6 has the highest recorded value (17,926 MWh) and 10 the lowest (2,829 MWh). Their difference is 15,097 MWh. Missing months have not been treated as zero.

Generator capacity in different operating conditions

Generator IDTechnologyNameplate MWSummer MWWinter MWMinimum load MW
1Conventional Hydroelectric10.86.06.01.0
2Conventional Hydroelectric10.86.06.01.0
3Conventional Hydroelectric10.85.05.01.0

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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