Byllesby 2
Hydro power plant in Carroll County, Virginia. 21.6 MW of nameplate capacity across 4 generators, operated by Appalachian Power Co.
Also known as Byllesby Hydro #2 · EIA plant 3773
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 21.6 MWNameplate
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- January 1912First generator online
- Operator
- Appalachian Power CoEIA operator ID 733
- Grid
- PJMBalancing authority PJM
- Price nodes
- 4 PJM nodesResource nodes with prices
- Location
- Carroll County, VA36.7858, −80.9333
- EIA plant ID
- 3773EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Byllesby 2 produces
Free · EIA-923Net generation, 2025
2.13 GWh
2,126 MWh, final
Capacity factor, 2025
1.1%
2024: 10.0%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
2.1–66.5
GWh a year. Low 2025, high 2019
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 37,848 | Not reported | 12 of 12 |
| 2001 | 36,948 | Not reported | 12 of 12 |
| 2002 | 40,241 | Not reported | 12 of 12 |
| 2003 | 82,288 | Not reported | 12 of 12 |
| 2004 | 44,005 | Not reported | 12 of 12 |
| 2005 | 61,963 | Not reported | 12 of 12 |
| 2006 | 45,503 | Not reported | 12 of 12 |
| 2007 | 38,919 | Not reported | 12 of 12 |
| 2008 | 27,268 | Not reported | 12 of 12 |
| 2009 | 54,287 | Not reported | 12 of 12 |
| 2010 | 28,237 | 14.9% | 12 of 12 |
| 2011 | 41,731 | 22.1% | 12 of 12 |
| 2012 | 46,877 | 24.7% | 12 of 12 |
| 2013 | 3,374 | 1.8% | 12 of 12 |
| 2014 | 10,757 | Not reported | 12 of 12 |
| 2015 | 43,042 | 22.7% | 12 of 12 |
| 2016 | 42,097 | 22.2% | 12 of 12 |
| 2017 | 48,330 | 25.5% | 12 of 12 |
| 2018 | 53,416 | 28.2% | 12 of 12 |
| 2019 | 66,494 | 35.1% | 12 of 12 |
| 2020 | 56,394 | 29.7% | 12 of 12 |
| 2021 | 35,952 | 19.0% | 12 of 12 |
| 2022 | 52,387 | 27.7% | 12 of 12 |
| 2023 | 22,854 | 12.1% | 12 of 12 |
| 2024 | 18,942 | 10.0% | 12 of 12 |
| 2025 | 2,126 | 1.1% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · PJMEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 5.4 | January 1912 |
| 2 | Conventional Hydroelectric | 5.4 | January 1912 |
| 3 | Conventional Hydroelectric | 5.4 | January 1912 |
| 4 | Conventional Hydroelectric | 5.4 | January 1912 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Appalachian Power Co as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Byllesby 2
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Questions about Byllesby 2
How much power does Byllesby 2 produce?
Byllesby 2 reported 2,126 MWh (2.13 GWh) of net generation in 2025, a 1.1% capacity factor on 21.6 MW of nameplate capacity.
Where is Byllesby 2?
Byllesby 2 is in Carroll County, Virginia, at 36.7858, −80.9333. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Byllesby 2?
EIA-860M for August 2026 lists Appalachian Power Co as the operator (EIA operator ID 733). The operator is not always the owner.
When did Byllesby 2 start operating?
Its first generator began operating in January 1912, according to EIA-860M.
Does InfraMap have power prices for Byllesby 2?
Yes. InfraMap has PJM day-ahead and real-time prices at 4 price nodes linked to Byllesby 2, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- PJM day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page