GRANITE RELIABLE POWER

Operating

Wind power plant

Capacity: 99 MW
Primary fuel: Wind
County: Coos County
Operator: GRANITE RELIABLE POWER
Status: Operating
Commissioned: 2012
EIA plant ID: 58004
Generators: 1
Technology: Onshore Wind Turbine
Net generation (2024): 189 GWh
Capacity factor (2024, EIA nameplate): 22%
Data vintage: EIA-860 2024 final; EIA-923 2022-2024 final
Coordinates: 44.7044, -71.2925

GRANITE RELIABLE POWER, a 99 MW Wind power plant in Coos County, New Hampshire. Operated by GRANITE RELIABLE POWER, commissioned 2012.

How GRANITE RELIABLE POWER compares

With 99 MW of capacity, GRANITE RELIABLE POWER ranks 9th among the 59 operating power plants Bywatts maps in New Hampshire and is the largest of the 3 operating Wind plants in the state. It accounts for about 58% of New Hampshire's operating Wind capacity and 2.1% of all operating capacity in the state. Nationally it is the 261st-largest of the 708 operating Wind plants in the database. Commissioned in 2012, it is newer than 94% of the 58 operating New Hampshire plants with a recorded commissioning year. It shares Coos County with 9 other operating plants, including BERLIN GORHAM and DG WHITEFIELD LLC.

EIA-860 lists 1 generator at the site with 99 MW of nameplate capacity, all onshore wind turbine technology. Net generation was 189 GWh in 2024 (a 22% capacity factor), down 8% from 2022.

Grid neighborhood

The closest transmission line found within 10 miles is a 115 kV line owned by PUBLIC SERVICE CO OF NH, under 0.1 miles away. Another 8 operating power plants totaling 87 MW sit within 25 miles; the largest is BERLIN GORHAM (30 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

GRANITE RELIABLE POWER is a 99 MW wind power plant in Coos County, NH, operated by GRANITE RELIABLE POWER, commissioned in 2012. Coos County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.6 of 5 at the 16th national percentile. Riverine flooding is the leading peril, rated Relatively Moderate by FEMA at the 96th percentile.

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

1.6 of 5Modeled catastrophe exposure

LowExposure band

Riverine floodingLeading peril

Relatively LowFEMA county risk rating

Coos County hazard ratings

Peril	FEMA rating	National percentile	Peril score	Events per year
Riverine flooding	Relatively Moderate	96th	4.8 of 5	2.4
Lightning	Relatively Low	82nd	4.3 of 5	18.7
Hurricane	Relatively Low	81st	4.2 of 5	0.05
Ice storm	Relatively Moderate	77th	4.1 of 5	0.25
Winter weather	Relatively High	76th	4.1 of 5	24.1
Earthquake	Very Low	48th	2.9 of 5	<0.01
Strong wind	Relatively Low	8th	1.3 of 5	0.39
Tornado	Very Low	7th	1.3 of 5	0.12
Hail	Very Low	4th	1.1 of 5	0.90
Wildfire	Very Low	3rd	1.1 of 5	<0.01
Heat wave	Very Low	2nd	1.1 of 5	0.31

Perils not assessed in Coos 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 Coos 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.