Emerald Gardens PKI, LLC
Fairfield County, Connecticut · EIA plant ID 66429 · Operator: Emerald Gardens PKI, LLC
Nameplate2MWSummer 2 MW
Generators2in service
Net generation2GWh12 mo to Dec 2025
Capacity factor14%solar units, summer MW
Heat rate—thermal plants only
First online2021
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), solar units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2022 | 2.7 | 19.4% | — |
| 2023 | 2.2 | 15.6% | — |
| 2024 | 2.1 | 15.1% | — |
| 2025 | 2 | 14.5% | — |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| EPKI1 | Solar Photovoltaic | PV | 0.8 | 0.8 | Oct 2021 | Operating | — | coming soon |
| EPKI2 | Solar Photovoltaic | PV | 0.8 | 0.8 | Oct 2021 | Operating | — | coming soon |
Owner / operator
Operator: Emerald Gardens PKI, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| EG1 PKI Holdings, LLC | 100.0% | 2 MW |
Nearby plants
Within 80 km.
| Sikorsky Aircraft CHP | 10 MW | 3.1 km |
| Digital Fairfield | retired | 4 km |
| Milford Power Project | 578 MW | 5.6 km |
| Derby Hydro | 9 MW | 6.1 km |
| Derby Fuel Cell | 14 MW | 6.2 km |
| GenConn Devon LLC | 242 MW | 6.9 km |