MWPowerPlantFacts

Data last collected:

EIA plant 8902

Boulder City · Mohave · AZ

Hoover Dam (AZ)

Operated by U S Bureau of Reclamation

Annual generation1,411,517 MWhSum of represented EIA-923 rows
Fuel codesWATCodes retained from EIA records
Grid contextWestern Area Power Administration - Desert Southwest RegionBalancing authority or NERC region

Published location

Where is Hoover Dam (AZ)?

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

36.015510, -114.738006

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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 Hydroelectric1,039.4 MW represented

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

184,897
288,172
3165,993
4159,929
5173,212
6174,870
7147,755
8121,481
9106,554
10106,229
1153,770
1228,655

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
184,897
288,172
3165,993
4159,929
5173,212
6174,870
7147,755
8121,481
9106,554
10106,229
1153,770
1228,655

2024 monthly net generation

MonthNet generation
184,897 MWh
288,172 MWh
3165,993 MWh
4159,929 MWh
5173,212 MWh
6174,870 MWh
7147,755 MWh
8121,481 MWh
9106,554 MWh
10106,229 MWh
1153,770 MWh
1228,655 MWh

Operating generators

IDTechnologyFuelMWStatus
A1Conventional HydroelectricWAT130OP
A2Conventional HydroelectricWAT130OP
A3Conventional HydroelectricWAT130OP
A4Conventional HydroelectricWAT130OP
A6Conventional HydroelectricWAT130OP
A7Conventional HydroelectricWAT130OP
A5Conventional HydroelectricWAT127OP
A9Conventional HydroelectricWAT68.5OP
A8Conventional HydroelectricWAT61.5OP
A0Conventional HydroelectricWAT2.4OP

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Similar-capacity plants in the same state

Identity, technology and limitations
EIA plant ID
8902
Sector
Electric Utility
Water source
Lake Mead Colorado 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 Hoover Dam (AZ) 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 Hoover Dam (AZ)

Variation in the published months

Across 12 numeric monthly generation entries, 6 has the highest recorded value (174,870 MWh) and 12 the lowest (28,655 MWh). Their difference is 146,215 MWh. Missing months have not been treated as zero.

Reading the MW column

In the 10 numeric rows displayed in this table, MW ranges from 2.4 (A0) to 130 (A1, A2, A3). The difference is 127.6 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
A0Conventional Hydroelectric2.42.72.70.7
A1Conventional Hydroelectric130.0130.0130.039.0
A2Conventional Hydroelectric130.0130.0130.039.0
A3Conventional Hydroelectric130.0130.0130.039.0
A4Conventional Hydroelectric130.0130.0130.039.0
A5Conventional Hydroelectric127.0127.0127.038.1
A6Conventional Hydroelectric130.0130.0130.039.0
A7Conventional Hydroelectric130.0130.0130.039.0
A8Conventional Hydroelectric61.561.561.518.5
A9Conventional Hydroelectric68.568.568.520.6

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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