Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/56476
EIA plant 56476
Antioch · Contra Costa · CA
Gateway Generating Station
Operated by Pacific Gas & Electric Co.
Published location
Where is Gateway Generating Station?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
38.017500, -121.758700
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 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.
1383,939
2298,384
30
4190,026
561,906
6154,665
7310,741
8282,545
9210,476
10318,424
11311,734
12344,111
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 | 383,939 |
| 2 | 298,384 |
| 3 | 0 |
| 4 | 190,026 |
| 5 | 61,906 |
| 6 | 154,665 |
| 7 | 310,741 |
| 8 | 282,545 |
| 9 | 210,476 |
| 10 | 318,424 |
| 11 | 311,734 |
| 12 | 344,111 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 383,939 MWh |
| 2 | 298,384 MWh |
| 3 | 0 MWh |
| 4 | 190,026 MWh |
| 5 | 61,906 MWh |
| 6 | 154,665 MWh |
| 7 | 310,741 MWh |
| 8 | 282,545 MWh |
| 9 | 210,476 MWh |
| 10 | 318,424 MWh |
| 11 | 311,734 MWh |
| 12 | 344,111 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| C | Natural Gas Fired Combined Cycle | NG | 213.3 | OP |
| A | Natural Gas Fired Combined Cycle | NG | 203.2 | OP |
| B | Natural Gas Fired Combined Cycle | NG | 203.2 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
56476
Sector
Electric Utility
Water source
Municipality
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 Gateway Generating Station 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 Gateway Generating Station
Variation in the published months
Across 12 numeric monthly generation entries, 1 has the highest recorded value (383,939 MWh) and 3 the lowest (0 MWh). Their difference is 383,939 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 203.2 (A, B) to 213.3 (C). The difference is 10.1 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 |
|---|---|---|---|---|---|
| A | Natural Gas Fired Combined Cycle | 203.2 | 177.0 | 181.4 | 75.0 |
| B | Natural Gas Fired Combined Cycle | 203.2 | 177.0 | 181.4 | 75.0 |
| C | Natural Gas Fired Combined Cycle | 213.3 | 209.4 | 223.0 | 55.0 |
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.