Hanging Rock Energy Facility
Natural gas power plant in Lawrence County, Ohio. 1,429.8 MW of nameplate capacity across 6 generators, operated by Dynegy Hanging Rock Energy Facility.
Also known as EIA plant 55736
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1,429.8 MWNameplate
- Generators
- 6 operatingEIA-860M, August 2026
- Operating since
- June 2003First generator online
- Operator
- Dynegy Hanging Rock Energy FacilityEIA operator ID 59924
- Grid
- PJMBalancing authority PJM
- Price nodes
- 6 PJM nodesResource nodes with prices
- Location
- Lawrence County, OH38.5731, −82.7833
- EIA plant ID
- 55736EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Hanging Rock Energy Facility produces
Free · EIA-923Net generation, 2025
10.2 TWh
10,201,773 MWh, final
Capacity factor, 2025
81.5%
2024: 72.4%
January to July 2026
5.47 TWh
Provisional
Range, 2015 to 2025
7.8–10.5
TWh a year. Low 2017, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | 386,852 | Not reported | 6 of 12 |
| 2004 | 552,020 | Not reported | 12 of 12 |
| 2005 | 832,250 | Not reported | 12 of 12 |
| 2006 | 1,006,760 | Not reported | 12 of 12 |
| 2007 | 1,625,537 | Not reported | 12 of 12 |
| 2008 | 1,332,941 | Not reported | 12 of 12 |
| 2009 | 2,419,772 | Not reported | 12 of 12 |
| 2010 | 3,288,599 | Not reported | 12 of 12 |
| 2011 | 5,812,786 | 51.5% | 12 of 12 |
| 2012 | 8,522,511 | 75.3% | 12 of 12 |
| 2013 | 6,962,237 | Not reported | 12 of 12 |
| 2014 | 7,951,652 | 70.5% | 12 of 12 |
| 2015 | 9,182,371 | Not reported | 12 of 12 |
| 2016 | 9,716,972 | 85.9% | 12 of 12 |
| 2017 | 7,833,855 | Not reported | 12 of 12 |
| 2018 | 9,286,025 | 74.1% | 12 of 12 |
| 2019 | 9,852,082 | 78.7% | 12 of 12 |
| 2020 | 9,487,656 | 75.5% | 12 of 12 |
| 2021 | 9,510,071 | 75.9% | 12 of 12 |
| 2022 | 9,979,375 | 79.7% | 12 of 12 |
| 2023 | 10,533,130 | 84.1% | 12 of 12 |
| 2024 | 8,326,927 | 72.4% | 11 of 12 |
| 2025 | 10,201,773 | 81.5% | 12 of 12 |
| 2026 (provisional, partial year) | 5,466,941 | 75.1% | 7 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 CAMPDCO₂, 2025
4.52M
US short tons. 2024: 3.95M
SO₂, 2025
23
US short tons
NOx, 2025
265
US short tons
CO₂ per MWh, calculated
0.44 t
About 886 lb per MWh
4 of 4 EPA units reported CO₂ in 2025 (CTG1, CTG2, CTG3, CTG4), matched to EIA plant 55736 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
3,547
million gallons
Consumption, 2024
3,286
million gallons
Source
Ohio River
Surface, Fresh. Induced-draft tower
Watershed stress
Very low/none · 0.115
USGS SUI, HUC12 Pond Run-Ohio River
24 of 24 cooling months report withdrawal. SUI of the source river HUC12 within 3 km. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1GT1 | Natural Gas Fired Combined Cycle | 198.9 | June 2003 |
| 1GT2 | Natural Gas Fired Combined Cycle | 198.9 | June 2003 |
| 1ST | Natural Gas Fired Combined Cycle | 317.1 | June 2003 |
| 2GT1 | Natural Gas Fired Combined Cycle | 198.9 | July 2003 |
| 2GT2 | Natural Gas Fired Combined Cycle | 198.9 | July 2003 |
| 2ST | Natural Gas Fired Combined Cycle | 317.1 | July 2003 |
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 Dynegy Hanging Rock Energy Facility as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Questions about Hanging Rock Energy Facility
How much power does Hanging Rock Energy Facility produce?
Hanging Rock Energy Facility reported 10,201,773 MWh (10.2 TWh) of net generation in 2025, a 81.5% capacity factor on 1,429.8 MW of nameplate capacity. From January to July 2026 it reported 5.47 TWh, which is provisional.
Where is Hanging Rock Energy Facility?
Hanging Rock Energy Facility is in Lawrence County, Ohio, at 38.5731, −82.7833. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Hanging Rock Energy Facility?
EIA-860M for August 2026 lists Dynegy Hanging Rock Energy Facility as the operator (EIA operator ID 59924). The operator is not always the owner.
When did Hanging Rock Energy Facility start operating?
Its first generator began operating in June 2003, according to EIA-860M.
Does InfraMap have power prices for Hanging Rock Energy Facility?
Yes. InfraMap has PJM day-ahead and real-time prices at 6 price nodes linked to Hanging Rock Energy Facility, 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)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- PJM day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page