Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/59745
EIA plant 59745
Tewksbury · Middlesex · MA
Leominster (MA)-South Street-R&D
Operated by South Street Solar, LLC
Published location
Where is Leominster (MA)-South Street-R&D?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
42.606184, -71.177223
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 MA 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.
155
2236
3245
4300
5359
6372
7351
8346
9299
10294
11220
12118
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 | 55 |
| 2 | 236 |
| 3 | 245 |
| 4 | 300 |
| 5 | 359 |
| 6 | 372 |
| 7 | 351 |
| 8 | 346 |
| 9 | 299 |
| 10 | 294 |
| 11 | 220 |
| 12 | 118 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 55 MWh |
| 2 | 236 MWh |
| 3 | 245 MWh |
| 4 | 300 MWh |
| 5 | 359 MWh |
| 6 | 372 MWh |
| 7 | 351 MWh |
| 8 | 346 MWh |
| 9 | 299 MWh |
| 10 | 294 MWh |
| 11 | 220 MWh |
| 12 | 118 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 1 | Solar Photovoltaic | SUN | 2.9 | OP |
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Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
59745
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 Leominster (MA)-South Street-R&D 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 Leominster (MA)-South Street-R&D
Variation in the published months
Across 12 numeric monthly generation entries, 6 has the highest recorded value (372 MWh) and 1 the lowest (55 MWh). Their difference is 317 MWh. Missing months have not been treated as zero.