NARROWS

Operating

Hydro power plant

Capacity
109 MW
Primary fuel
Hydro
County
Stanly County
Operator
ALCOA POWER GENERATING INC YADKIN DIV
Status
Operating
Commissioned
1917
EIA plant ID
54894
Generators
4
Technology
Conventional Hydroelectric
Net generation (2024)
488 GWh
Capacity factor (2024, EIA nameplate)
51%
Data vintage
EIA-860 2024 final; EIA-923 2022-2024 final
Coordinates
35.4190, -80.0916

See it on the map

NARROWS, a 109 MW Hydro power plant in Stanly County, North Carolina. Operated by ALCOA POWER GENERATING INC YADKIN DIV, commissioned 1917.

How NARROWS compares

With 109 MW of capacity, NARROWS ranks 30th among the 205 operating power plants Bywatts maps in North Carolina and 6th of the 36 operating Hydro plants in the state. It accounts for about 5.7% of North Carolina's operating Hydro capacity and 0.4% of all operating capacity in the state. Nationally it is the 165th-largest of the 1,243 operating Hydro plants in the database. Commissioned in 1917, it is older than 98% of the 183 operating North Carolina plants with a recorded commissioning year. Its operator, ALCOA POWER GENERATING INC YADKIN DIV, runs 4 operating plants in North Carolina totaling 215 MW. It shares Stanly County with 3 other operating plants, including FALLS and ALBEMARLE PRIME POWER PARK.

EIA-860 lists 4 generators at the site with 109 MW of nameplate capacity, all conventional hydroelectric technology. Net generation was 488 GWh in 2024 (a 51% capacity factor), up 15% from 2022. Its generators came online between 1917 and 1924.

Grid neighborhood

The closest transmission line found within 10 miles is a 100 kV line, under 0.1 miles away. Another 6 operating power plants totaling 196 MW sit within 25 miles; the largest is TILLERY (84 MW, Hydro).

Computed by Bywatts from HIFLD power plant and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology

Weather peril exposure

NARROWS is a 109 MW hydro power plant in Stanly County, NC, operated by ALCOA POWER GENERATING INC YADKIN DIV, commissioned in 1917. Stanly County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.3 of 5 at the 32nd national percentile. Ice storm is the leading peril, rated Relatively High by FEMA at the 85th percentile.

The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a hydro plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.

2.3 of 5Modeled catastrophe exposure
ModerateExposure band
Ice stormLeading peril
Relatively LowFEMA county risk rating

Stanly County hazard ratings

PerilFEMA ratingNational percentilePeril scoreEvents per year
Ice stormRelatively High85th4.4 of 52.1
HurricaneRelatively Low76th4.1 of 50.11
Riverine floodingRelatively Low67th3.7 of 52.1
EarthquakeRelatively Low58th3.3 of 5<0.01
TornadoRelatively Moderate48th2.9 of 50.19
Strong windRelatively Moderate40th2.6 of 52.3
HailRelatively Low39th2.5 of 54.4
LightningRelatively Low34th2.3 of 550.5
Heat waveRelatively Low26th2.0 of 54.4
WildfireVery Low22nd1.9 of 5<0.01
Winter weatherRelatively Low9th1.4 of 54.9

Perils not assessed in Stanly County

These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.

PerilWhy it is not scored
Coastal floodingFEMA rating is "Not Applicable" for this county

Model hail, wind and flood exposure for Stanly County in the weather risk calculator

Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.

Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.