Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/78
EIA plant 78
Juneau · Juneau · AK
Snettisham
Operated by Alaska Electric Light & Power Co.
Published location
Where is Snettisham?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
58.141500, -133.737000
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 AK 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.
138,166
233,305
331,047
426,847
525,687
623,229
720,296
819,911
919,808
1024,365
1133,940
1236,081
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 | 38,166 |
| 2 | 33,305 |
| 3 | 31,047 |
| 4 | 26,847 |
| 5 | 25,687 |
| 6 | 23,229 |
| 7 | 20,296 |
| 8 | 19,911 |
| 9 | 19,808 |
| 10 | 24,365 |
| 11 | 33,940 |
| 12 | 36,081 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 38,166 MWh |
| 2 | 33,305 MWh |
| 3 | 31,047 MWh |
| 4 | 26,847 MWh |
| 5 | 25,687 MWh |
| 6 | 23,229 MWh |
| 7 | 20,296 MWh |
| 8 | 19,911 MWh |
| 9 | 19,808 MWh |
| 10 | 24,365 MWh |
| 11 | 33,940 MWh |
| 12 | 36,081 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 3 | Conventional Hydroelectric | WAT | 31 | OP |
| 1 | Conventional Hydroelectric | WAT | 23.6 | OP |
| 2 | Conventional Hydroelectric | WAT | 23.6 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
78
Sector
Electric Utility
Water source
Long Lake And Crater 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 Snettisham 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 Snettisham
Variation in the published months
Across 12 numeric monthly generation entries, 1 has the highest recorded value (38,166 MWh) and 9 the lowest (19,808 MWh). Their difference is 18,358 MWh. Missing months have not been treated as zero.
Reading the MW column
In the 3 numeric rows displayed in this table, MW ranges from 23.6 (1, 2) to 31 (3). The difference is 7.4 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 ID | Technology | Nameplate MW | Summer MW | Winter MW | Minimum load MW |
|---|---|---|---|---|---|
| 1 | Conventional Hydroelectric | 23.6 | 23.5 | 23.5 | 2.0 |
| 2 | Conventional Hydroelectric | 23.6 | 23.5 | 23.5 | 2.0 |
| 3 | Conventional Hydroelectric | 31.0 | 31.0 | 31.0 | 3.0 |
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.