Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/58787
EIA plant 58787
Hauppauge · Suffolk · NY
Dennison
Operated by CD US Solar MT1 LLC
Published location
Where is Dennison?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
40.763056, -73.323611
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 NY 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.
141
270
3128
4158
5234
6280
7229
8195
9197
10186
11117
1285
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 | 41 |
| 2 | 70 |
| 3 | 128 |
| 4 | 158 |
| 5 | 234 |
| 6 | 280 |
| 7 | 229 |
| 8 | 195 |
| 9 | 197 |
| 10 | 186 |
| 11 | 117 |
| 12 | 85 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 41 MWh |
| 2 | 70 MWh |
| 3 | 128 MWh |
| 4 | 158 MWh |
| 5 | 234 MWh |
| 6 | 280 MWh |
| 7 | 229 MWh |
| 8 | 195 MWh |
| 9 | 197 MWh |
| 10 | 186 MWh |
| 11 | 117 MWh |
| 12 | 85 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| DNN1 | Solar Photovoltaic | SUN | 2 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
58787
Sector
IPP Non-CHP
Water source
Unavailable
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 Dennison 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 Dennison
Variation in the published months
Across 12 numeric monthly generation entries, 6 has the highest recorded value (280 MWh) and 1 the lowest (41 MWh). Their difference is 239 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 |
|---|---|---|---|---|---|
| DNN1 | Solar Photovoltaic | 2.0 | 2.0 | 2.0 | Not supplied |
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.