Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/50987
EIA plant 50987
Twin Falls · Twin Falls · ID
Rock Creek I
Operated by Shorock Hydro Inc
Published location
Where is Rock Creek I?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
42.632483, -114.538769
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.
1489
2445
3536
4988
51,162
6977
71,093
81,161
91,188
101,172
11765
12619
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 | 489 |
| 2 | 445 |
| 3 | 536 |
| 4 | 988 |
| 5 | 1,162 |
| 6 | 977 |
| 7 | 1,093 |
| 8 | 1,161 |
| 9 | 1,188 |
| 10 | 1,172 |
| 11 | 765 |
| 12 | 619 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 489 MWh |
| 2 | 445 MWh |
| 3 | 536 MWh |
| 4 | 988 MWh |
| 5 | 1,162 MWh |
| 6 | 977 MWh |
| 7 | 1,093 MWh |
| 8 | 1,161 MWh |
| 9 | 1,188 MWh |
| 10 | 1,172 MWh |
| 11 | 765 MWh |
| 12 | 619 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| GEN1 | Conventional Hydroelectric | WAT | 2.1 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
50987
Sector
IPP Non-CHP
Water source
Rock Creek
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 Rock Creek I 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 Rock Creek I
Variation in the published months
Across 12 numeric monthly generation entries, 9 has the highest recorded value (1,188 MWh) and 2 the lowest (445 MWh). Their difference is 743 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 | 2.1 | 2.0 | 1.0 | 0.2 |
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.