Duplin Solar I LLC (160 Houston Lane)
Duplin County, North Carolina · EIA plant ID 60599 · Operator: Duplin Solar I, LLC
Nameplate5MWSummer 5 MW
Generators1in service
Net generation2GWh12 mo to Dec 2025
Capacity factor5%solar units, summer MW
Heat rate—thermal plants only
First online2014
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) |
|---|---|---|---|
| 2016 | 9.2 | 21.0% | — |
| 2017 | 9.1 | 20.8% | — |
| 2018 | 8.1 | 18.4% | — |
| 2019 | 8 | 18.3% | — |
| 2020 | 7.1 | 16.2% | — |
| 2021 | 8.2 | 18.7% | — |
| 2022 | 8 | 18.2% | — |
| 2023 | 5.5 | 12.5% | — |
| 2024 | 2.5 | 5.7% | — |
| 2025 | 2.3 | 5.3% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| DPLN | Solar Photovoltaic | PV | 5 | 5 | Jul 2014 | Operating | — | coming soon |
Owner / operator
Operator: Duplin Solar I, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Duplin Solar I, LLC | 100.0% | 5 MW |
Nearby plants
Within 80 km.
| Kenansville Solar 2, LLC | 2 MW | 0.3 km |
| Kenansville Solar Farm, LLC | 5 MW | 1.2 km |
| Kenansville | 2 MW | 5.4 km |
| Warsaw II | 2 MW | 8.4 km |
| Duplin Solar LLC | 5 MW | 10.6 km |
| Kennedy Solar, LLC | 5 MW | 11.7 km |