Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/10735
EIA plant 10735
Boise · Ada · ID
Barber Dam
Operated by Barber Pool Hydro LLC
Published location
Where is Barber Dam?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
43.561001, -116.121269
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 ID 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.
1209
2155
3338
41,149
51,106
61,025
7854
8753
9595
10277
11136
12141
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 | 209 |
| 2 | 155 |
| 3 | 338 |
| 4 | 1,149 |
| 5 | 1,106 |
| 6 | 1,025 |
| 7 | 854 |
| 8 | 753 |
| 9 | 595 |
| 10 | 277 |
| 11 | 136 |
| 12 | 141 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 209 MWh |
| 2 | 155 MWh |
| 3 | 338 MWh |
| 4 | 1,149 MWh |
| 5 | 1,106 MWh |
| 6 | 1,025 MWh |
| 7 | 854 MWh |
| 8 | 753 MWh |
| 9 | 595 MWh |
| 10 | 277 MWh |
| 11 | 136 MWh |
| 12 | 141 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| GEN1 | Conventional Hydroelectric | WAT | 4.1 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
10735
Sector
IPP Non-CHP
Water source
Boise 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 Barber Dam 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 Barber Dam
Variation in the published months
Across 12 numeric monthly generation entries, 4 has the highest recorded value (1,149 MWh) and 11 the lowest (136 MWh). Their difference is 1,013 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 |
|---|---|---|---|---|---|
| GEN1 | Conventional Hydroelectric | 4.1 | 4.0 | 4.0 | 0.1 |
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.