Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/66507
EIA plant 66507
Tonica · LaSalle · IL
Briscoe 1A
Operated by 7th Road Solar 1, LLC (Briscoe 1A)
Published location
Where is Briscoe 1A?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
41.207028, -89.031736
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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 IL 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.
1156
2315
3351
4371
5505
6495
7468
8499
9451
10400
11164
12124
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 | 156 |
| 2 | 315 |
| 3 | 351 |
| 4 | 371 |
| 5 | 505 |
| 6 | 495 |
| 7 | 468 |
| 8 | 499 |
| 9 | 451 |
| 10 | 400 |
| 11 | 164 |
| 12 | 124 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 156 MWh |
| 2 | 315 MWh |
| 3 | 351 MWh |
| 4 | 371 MWh |
| 5 | 505 MWh |
| 6 | 495 MWh |
| 7 | 468 MWh |
| 8 | 499 MWh |
| 9 | 451 MWh |
| 10 | 400 MWh |
| 11 | 164 MWh |
| 12 | 124 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| BR1A | Solar Photovoltaic | SUN | 2 | OP |
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Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
66507
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 Briscoe 1A 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 Briscoe 1A
Variation in the published months
Across 12 numeric monthly generation entries, 5 has the highest recorded value (505 MWh) and 12 the lowest (124 MWh). Their difference is 381 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 |
|---|---|---|---|---|---|
| BR1A | 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.