Boyds Mill Hydro
Greenville County, South Carolina · EIA plant ID 3253 · Operator: Northbrook Carolina Hydro LLC
Nameplate1MWSummer 1 MW
Generators2in service
Net generation3GWh12 mo to Dec 2025
Capacity factor27%hydro units, summer MW
Heat rate—thermal plants only
First online1996
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), hydro 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) |
|---|---|---|---|
| 2001 | 4.6 | 37.2% | — |
| 2002 | 2.8 | 22.9% | — |
| 2005 | 4.5 | 37.0% | — |
| 2006 | 2.6 | 21.6% | — |
| 2007 | 2.1 | 17.2% | — |
| 2008 | 1.8 | 14.7% | — |
| 2009 | 3.1 | 25.1% | — |
| 2010 | 2.6 | 20.9% | — |
| 2011 | 1.6 | 13.4% | — |
| 2012 | 2.1 | 17.4% | — |
| 2013 | 5.3 | 42.8% | — |
| 2014 | 4.1 | 33.7% | — |
| 2015 | 2.3 | 19.0% | — |
| 2016 | 2.3 | 18.7% | — |
| 2017 | 2.6 | 21.4% | — |
| 2018 | 4.3 | 34.9% | — |
| 2019 | 5.5 | 44.7% | — |
| 2020 | 4.9 | 40.2% | — |
| 2021 | 4.3 | 35.3% | — |
| 2022 | 3.5 | 28.7% | — |
| 2023 | 3.8 | 30.6% | — |
| 2024 | 3.7 | 30.4% | — |
| 2025 | 3.4 | 27.5% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| 1 | Conventional Hydroelectric | HY | 0.7 | 0.7 | Dec 1996 | Operating | — | coming soon |
| 2 | Conventional Hydroelectric | HY | 0.7 | 0.7 | Dec 1996 | Operating | — | coming soon |
Owner / operator
Operator: Northbrook Carolina Hydro LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Northbrook Carolina Hydro LLC | 100.0% | 1 MW |
Nearby plants
Within 80 km.
| Ware Shoals Hydro Project | 6 MW | 6.5 km |
| Honea Path | 3 MW | 15.3 km |
| Hollidays Bridge Hydro | 4 MW | 18 km |
| Berry Road Solar | 2 MW | 23.6 km |
| Beaverdam Renewable Energy Center | 41 MW | 26.2 km |
| W S Lee | 955 MW | 27.1 km |