Constellation Energy Generation, LLC — Interconnection Portfolio
Constellation Energy Generation, LLC is associated with 6 tracked interconnection projects representing 2,683 MW of requested capacity.
Entity resolution: this developer rolls up 5 source organization name(s) that were auto-matched into a single canonical cluster. Attribution is inferred from source records and may include related special-purpose entities.
6Projects
4Active
2Operational
0Withdrawn
2,683 MWRequested capacity
1Markets
Capacity by technology
| Technology | Projects | Requested capacity |
|---|---|---|
| Other | 2 | 1,432 MW |
| Nuclear | 4 | 1,251 MW |
Portfolio by market
| Market | Projects |
|---|---|
| PJM | 4 |
Geographic footprint
| State | Projects |
|---|---|
| Illinois | 3 |
| Pennsylvania | 1 |
| Texas | 1 |
| New York | 1 |
Projects
| Project | Queue ID | Technology | Capacity | Status | Location |
|---|---|---|---|---|---|
| STP Unit2 High Pressure Turbine Upgrade | 27INR0557 | Other | 1,336.5 MW | operational | Matagorda, Texas |
| PJM Queue Project AH1-695 — Nuclear in Dauphin, Pennsylvania | AH1-695 | Nuclear | 859.0 MW | active | Dauphin, Pennsylvania |
| PJM Queue Project AH1-714 — Nuclear in Lasalle, Illinois | AH1-714 | Nuclear | 174.1 MW | active | Lasalle, Illinois |
| PJM Queue Project AH1-698 — Nuclear in Will, Illinois | AH1-698 | Nuclear | 130.0 MW | active | Will, Illinois |
| Ginna Uprate Project | 0143 | Other | 95.0 MW | operational | Wayne, New York |
| PJM Queue Project AH1-702 — Nuclear in Ogle, Illinois | AH1-702 | Nuclear | 88.0 MW | active | Ogle, Illinois |
Recent material changes
| Observed | Project | Field | Old | New |
|---|---|---|---|---|
| 2026-08-31 | STP Unit2 High Pressure Turbine Upgrade | phase | SS Started, FIS Started, No IA | SS Completed, FIS Started, No IA |
| 2026-08-31 | STP Unit2 High Pressure Turbine Upgrade | operational_date | — | 2027-04-23 |
| 2026-08-31 | STP Unit2 High Pressure Turbine Upgrade | proposed_online_date | 2027-04-23 | — |
| 2026-08-31 | STP Unit2 High Pressure Turbine Upgrade | status | active | operational |
Explore related data
Source last checked2026-07-31
Data last materially changed2026-10-12
Page data generated2026-10-12
Provenance: ERCOT — Generation Interconnection Status (GIS) report; Lawrence Berkeley National Laboratory — Queued Up interconnection dataset; New York ISO — interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
Monitor Constellation Energy Generation, LLC's portfolio across all markets.
Start tracking with interXdata