Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/236
EIA plant 236
Alta · Placer · CA
Drum 2
Operated by Pacific Gas & Electric Co.
Published location
Where is Drum 2?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
39.257388, -120.767046
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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
Grouped from this plant’s represented generator records. Use the CA 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.
118,920
225,114
36,264
41,459
5961
6182
74,921
826,069
97,824
1022,688
1118,909
1215,249
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 | 18,920 |
| 2 | 25,114 |
| 3 | 6,264 |
| 4 | 1,459 |
| 5 | 961 |
| 6 | 182 |
| 7 | 4,921 |
| 8 | 26,069 |
| 9 | 7,824 |
| 10 | 22,688 |
| 11 | 18,909 |
| 12 | 15,249 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 18,920 MWh |
| 2 | 25,114 MWh |
| 3 | 6,264 MWh |
| 4 | 1,459 MWh |
| 5 | 961 MWh |
| 6 | 182 MWh |
| 7 | 4,921 MWh |
| 8 | 26,069 MWh |
| 9 | 7,824 MWh |
| 10 | 22,688 MWh |
| 11 | 18,909 MWh |
| 12 | 15,249 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 5 | Conventional Hydroelectric | WAT | 53.1 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
236
Sector
Electric Utility
Water source
Bear 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 Drum 2 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 Drum 2
Variation in the published months
Across 12 numeric monthly generation entries, 8 has the highest recorded value (26,069 MWh) and 6 the lowest (182 MWh). Their difference is 25,887 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 |
|---|---|---|---|---|---|
| 5 | Conventional Hydroelectric | 53.1 | 49.5 | 49.5 | 0.0 |
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.