TILLERY
OperatingHydro power plant
- Capacity
- 84 MW
- Primary fuel
- Hydro
- County
- Montgomery County
- Operator
- PROGRESS ENERGY CAROLINAS INC
- Status
- Operating
- Commissioned
- 1928
- EIA plant ID
- 2714
- Generators
- 4
- Technology
- Conventional Hydroelectric
- Net generation (2024)
- 184 GWh
- Capacity factor (2024, EIA nameplate)
- 25%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 35.2067, -80.0646
TILLERY, an 84 MW Hydro power plant in Montgomery County, North Carolina. Operated by PROGRESS ENERGY CAROLINAS INC, commissioned 1928.
How TILLERY compares
With 84 MW of capacity, TILLERY ranks 34th among the 205 operating power plants Bywatts maps in North Carolina and 9th of the 36 operating Hydro plants in the state. It accounts for about 4.4% of North Carolina's operating Hydro capacity and 0.3% of all operating capacity in the state. Nationally it is the 204th-largest of the 1,243 operating Hydro plants in the database. Commissioned in 1928, it is older than 91% of the 183 operating North Carolina plants with a recorded commissioning year. Its operator, PROGRESS ENERGY CAROLINAS INC, runs 13 operating plants in North Carolina totaling 11,962 MW. It shares Montgomery County with 2 other operating plants, TUCKERTOWN and UWHARRIE MOUNTAIN RENEWABLE.
EIA-860 lists 4 generators at the site with 84 MW of nameplate capacity, all conventional hydroelectric technology. Net generation was 184 GWh in 2024 (a 25% capacity factor), up 20% from 2022. Its generators came online between 1928 and 1960.
Grid neighborhood
The closest transmission line found within 10 miles is a 115 kV line owned by DUKE ENERGY PROGRESS - (NC), under 0.1 miles away. Another 7 operating power plants totaling 626 MW sit within 25 miles; the largest is ANSON COUNTY GENERATION FACILITY (344 MW, Natural Gas). Within 50 miles are 2 mapped data centers; the nearest is Carolina Internet / CaroNet in Charlotte, about 48.7 miles away.
Computed by Bywatts from HIFLD power plant and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology
Weather peril exposure
TILLERY is an 84 MW hydro power plant in Montgomery County, NC, operated by PROGRESS ENERGY CAROLINAS INC, commissioned in 1928. Montgomery County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.7 of 5 at the 42nd national percentile. Hurricane is the leading peril, rated Relatively Moderate by FEMA at the 84th 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.
Montgomery County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Relatively Moderate | 84th | 4.4 of 5 | 0.13 |
| Ice storm | Relatively Moderate | 81st | 4.2 of 5 | 1.9 |
| Tornado | Relatively Moderate | 59th | 3.4 of 5 | 0.22 |
| Earthquake | Very Low | 52nd | 3.1 of 5 | <0.01 |
| Strong wind | Relatively Low | 50th | 3.0 of 5 | 1.9 |
| Riverine flooding | Relatively Low | 48th | 2.9 of 5 | 1.2 |
| Wildfire | Very Low | 41st | 2.6 of 5 | <0.01 |
| Hail | Relatively Low | 40th | 2.6 of 5 | 4.3 |
| Lightning | Relatively Low | 33rd | 2.3 of 5 | 49.8 |
| Heat wave | Relatively Low | 27th | 2.1 of 5 | 4.6 |
| Winter weather | Relatively Low | 13th | 1.5 of 5 | 4.8 |
Perils not assessed in Montgomery 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.
| Peril | Why it is not scored |
|---|---|
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Montgomery 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.