Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/1588
EIA plant 1588
Charlestown · Middlesex · MA
Mystic Generating Station
Operated by Constellation Mystic Power LLC
Published location
Where is Mystic 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.
42.390800, -71.067500
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.
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.
1385,790
2334,671
3549,510
40
50
60
70
MWh net generation · 2024 final edition · EIA 923 represented operating rows. 7 of 7 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 | 385,790 |
| 2 | 334,671 |
| 3 | 549,510 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 385,790 MWh |
| 2 | 334,671 MWh |
| 3 | 549,510 MWh |
| 4 | 0 MWh |
| 5 | 0 MWh |
| 6 | 0 MWh |
| 7 | 0 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
1588
Sector
IPP Non-CHP
Water source
NA
Data edition
2024-final
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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 Mystic 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 Mystic Generating Station
Variation in the published months
Across 7 numeric monthly generation entries, 3 has the highest recorded value (549,510 MWh) and 4, 5, 6, 7 the lowest (0 MWh). Their difference is 549,510 MWh. Missing months have not been treated as zero.