Winfield — Plant Summary
- EIA Plant ID
- 6562
- Capacity
- 24.5 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Putnam, WV
- Operating Since
- 1938
- Generators
- 3
- Operator
- Appalachian Power Co
- Parent Company
- American Electric Power Company
- Annual Generation
- 84,415 MWh
- Capacity Factor
- 39.2%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- RFC
Winfield
OperatingHydro
Ranked #7 of 15 Hydro plants in WV#443 of 1454 nationally
24.5 MW Hydro operating in Putnam, WV — PJM Interconnection, LLC
EIAGEMWD
24.5 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1938
Operating Since
Location
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Appalachian Power Co | Appalachian Power | — |
| Owner(s) | Appalachian Power Co | American Electric Power Company | — |
| Status | Operating | — | — |
Ownership Chain
About
The Winfield hydroelectric plant is located in Putnam County, West Virginia. The plant, which began operating in 1938, has a total capacity of 24.5 MW across three generators utilizing conventional hydroelectric technology. It is owned by American Electric Power Company and operated by Appalachian Power Co. The primary fuel source is water (WAT).
In the most recent year of reported generation, Winfield produced 84,415 MWh, achieving a capacity factor of 39.2%. The plant operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. Winfield is ranked as the 7th largest hydroelectric plant out of 15 in West Virginia, and 448th out of 1464 nationally. Financial data indicates an installed cost of $1,184.94 per kW.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
69 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
9.7K MWh
Latest Month
84.4K MWh
Annual Generation
39.2%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$1,398/kW
Installed Cost
$13.2/MWh
Operating Cost
Appalachian Power Company
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
PJM
LMP Node
WINFIELD4 KV WI1
Pricing Hub
AEP-DAYTON HUB
Location Type
Generation Node
Node Source
Curated node match
News & Articles (10)Beta
Hazards·wildfire
Overnight fire breaks out at John Amos Power Plant
WINFIELD, W.Va. (WOWK) — A fire broke out at a power plant in Winfield early Sunday morning. According to Winfield Volunteer Fire Department...
John Amos Power Plant (operator)Winfield (other)
WOWK 13 News·1 weeks ago
Hazards·wildfire
Early morning fire destroys building at John Amos Power Plant
A fire broke out in a building at the John Amos Power Plant in Winfield on Sunday morning, firefighters said.
John Amos Power Plant (operator)Winfield (other)
WCHS·1 weeks ago
Hazards·wildfire
Fire on John Amos Power Plant property
WINFIELD, W.Va. — An investigation is underway after a Sunday morning fire inside an external building at the John Amos Power Plant in...
John Amos Power Plant (operator)Winfield (other)
WV MetroNews·1 weeks ago
Hazards·wildfire
Overnight Fire Breaks Out at John Amos Power Plant
A fire broke out around 5 a.m. on Sunday at the John Amos Power Plant in Winfield, West Virginia. According to the Winfield Volunteer Fire...
John Amos Power Plant (operator)Winfield (other)
National Today·1 weeks ago
Last updated 2026-03-15
View all 10 articles