North Dakota outage planning is a blizzard-and-high-wind continuity problem first, where sparse settlement and long distances can turn essentials into a multi-day case.
North Dakota's outage case is among the most severe on the Plains: high wind, heavy snow, and low-density geography make multi-day continuity more realistic than a short outage script.
Blizzard, High-Wind, and Cold-Weather Continuity
North Dakota's practical outage risk is more severe than a generic winter description suggests. NOAA's outage-relevant record is led by thunderstorm wind, high wind, blizzard, and heavy snow events, which makes cold-weather continuity the central household planning problem even when flood declarations appear more often in the FEMA window.
The county overlap is narrower than in larger states, but it is still enough to anchor the practical outage case. HHS emPOWER counts 7,224 electricity-dependent Medicare beneficiaries statewide, and the public BPI layer is led by Cass, Grand Forks, Burleigh, and Morton. That points to refrigeration, communications, medical continuity, and heating support through a sparse, multi-day winter event.
FEMA DR-4686 covers North Dakota severe winter storm, snowstorm, and straight-line wind impacts from November 2022, within the 2014-2023 federal record.
Source: FEMA DR-4686Evidence trail
These notes trace the editorial claims above back to FEMA, DOE, utility, or other cited records.
FEMA declaration count (13) from OpenFEMA API, deduplicated by disaster number, DR/EM/FM types, 2014-2023; North Dakota's mix in this window includes Flood (6), Severe Storm (3), and Snowstorm (1).
NRI composite score (55.7) from FEMA NRI county layer, population-weighted to state level; top modeled hazards are Winter Weather, Hail, and Ice Storm.
NOAA outage-relevant event mix is led by Thunderstorm Wind (3,791), High Wind (1,916), Blizzard (1,847), and Heavy Snow (1,432), with Cass, Grand Forks, Walsh, and Richland leading county counts.
HHS emPOWER counts 7,224 electricity-dependent Medicare beneficiaries statewide; Cass, Grand Forks, Burleigh, Morton, and Richland are the strongest county anchors in the public BPI layer.
North Dakota Severe Winter Storm, Snowstorm, and Straight-line Winds DR-4686 from FEMA disaster declaration records.
Structured FEMA NRI, HHS emPOWER, NOAA Storm Events, and EIA methodology is documented separately on the methodology page.
NRI's top modeled hazards are Winter Weather, Hail, and Ice Storm, while NOAA's outage-relevant record is led by Thunderstorm Wind, High Wind, Blizzard, and Heavy Snow events..
NOAA storm-event records filtered to outage-relevant event types for North Dakota. Counts reflect historical storm-event assignments, not confirmed utility outages.
Analysis window
2005-01 to 2024-12
Included storm-event records
11,301
Source as of
2026-03
Included exact NOAA event types for North Dakota: Thunderstorm Wind, Tornado, High Wind, Strong Wind, Flash Flood, Flood, Winter Storm, Ice Storm, Freezing Rain, Heavy Snow, Blizzard.
In this filtered NOAA record set for North Dakota, Jun has the highest monthly count (1,975 records) , and Thunderstorm Wind is the leading event type. This chart shows frequency in NOAA records, not how severe a specific outage may be.
66.9% of listed records were matched directly to this county.
66.9% of listed records were matched directly to this county.
38.9% of listed records were matched directly to this county.
57.4% of listed records were matched directly to this county.
64.7% of listed records were matched directly to this county.
55.5% of listed records were matched directly to this county.
With the current North Dakota NWS county crosswalk, mapped forecast zones are effectively 1:1 with counties, and no unresolved forecast zones were present in this state contract.
Direct county match
45.4%
Mapped from forecast zone
54.6%
Not assigned to county ranking
0.0%
Unresolved forecast zones
0
County-level HHS emPOWER counts for electricity-dependent Medicare beneficiaries in North Dakota.
7,224 Medicare beneficiaries in North Dakota have claims associated with electricity-dependent medical equipment. (HHS emPOWER, 2026-03)
County-level HHS emPOWER records for this state. Medicare enrollment data only. 53 counties are included in this state snapshot.
Smaller Medicare base; interpret this percentage with extra caution.
Smaller Medicare base; interpret this percentage with extra caution.
Smaller Medicare base; interpret this percentage with extra caution.
Smaller Medicare base; interpret this percentage with extra caution.
Smaller Medicare base; interpret this percentage with extra caution.
Counties with higher concentrations may face elevated community-level demand for backup power during outages. This does not indicate individual medical necessity.
Limitations: Reflects Medicare beneficiaries with claims associated with electricity-dependent medical equipment. Does not capture non-Medicare or uninsured populations. HHS masks cells from 1 to 10 as 11.
The GeneratorChecker Backup Priority Index is a county shortlist for backup planning, combining historically frequent outage-relevant storm activity with larger county counts of electricity-dependent Medicare beneficiaries. It is planning context, not a forecast or an outage guarantee.
BPI version
v1.0
Analysis window
2005-01 to 2024-12
Matched counties
53
Counties qualify for the public BPI only when both signals land at or above the 80th percentile within the state. The shortlist excludes low-base medical counties and counties with less than 30% direct NOAA county matching.
Qualifying counties shown on the page: 5.
Percentiles are computed within North Dakota only and are not comparable across states.
1. CASS
County FIPS 38017
At-risk Medicare count
1,056
Storm-event records
507
Direct NOAA county match
66.9%
2. GRAND FORKS
County FIPS 38035
At-risk Medicare count
502
Storm-event records
495
Direct NOAA county match
66.9%
3. BURLEIGH
County FIPS 38015
At-risk Medicare count
803
Storm-event records
282
Direct NOAA county match
63.1%
4. MORTON
County FIPS 38059
At-risk Medicare count
324
Storm-event records
331
Direct NOAA county match
64.7%
5. RICHLAND
County FIPS 38077
At-risk Medicare count
192
Storm-event records
366
Direct NOAA county match
57.4%
Treat multi-day winter continuity as the base case, then size for food, communications, and medical loads before adding anything optional.
Keep heating-system support, communications, and medical essentials online during a winter outage.
Load
1189W
Target
24h
Minimum
46,900 Wh
This assumes your home uses a fuel-fired heating system that still depends on blower power. It does not imply a portable power station can replace electric space heating.
Size this scenario in calculatorAdd refrigeration for a longer blizzard or high-wind outage where snow, drifting, and distance slow restoration.
Load
1396W
Target
48h
Minimum
110,100 Wh
This is the more realistic North Dakota case for maintaining food, communications, and medical continuity through a multi-day winter event.
Size this scenario in calculatorCritical Note: No single portable power station in our database covers the full 24-hour baseline at this load (46,900 Wh target vs. 6,144 Wh max in our current database). Use solar recharge, load rotation, or expandable systems for longer events.
Letting flood recency define the problem when North Dakota's stronger planning signal is blizzard and high-wind continuity.
Treating North Dakota like Minnesota with fewer people instead of recognizing the harsher low-density restoration pattern.
Sizing for a short outage window when snow, wind, and distance can make runtime the main problem.
A 1,500W space heater drains a power station in 1-2 hours. Here's the honest math on battery-powered heating, plus smarter alternatives that actually work.
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From CPAP to oxygen concentrators, here is a practical checklist for keeping medical equipment running during power outages. Includes sizing math and emergency contacts.
Composite score: 55.7 / 100
Rating: Relatively Moderate
Top modeled hazards: Winter Weather, Hail, Ice Storm
Hurricane score: 0.0
Winter Weather score: 93.8
Wildfire score: 65.3
Total (2014-2023): 13
Most recent: 2023-07-05 Flood
| Type | Count |
|---|---|
| Flood | 6 |
| Biological | 3 |
| Severe Storm | 3 |
| Snowstorm | 1 |
Required Wh = (Total Load W × Target Hours / Inverter Derate) × Safety Factor
Inverter derate: 0.70 (30% real-world loss)
Safety factor: 1.15
Rounding: Up to nearest 100 Wh
North Dakota has an NRI composite risk score of 55.7 (Relatively Moderate), with 13 federal declarations from 2014 to 2023. NRI's top modeled hazards are Winter Weather, Hail, and Ice Storm, while NOAA's outage-relevant record is led by Thunderstorm Wind, High Wind, Blizzard, and Heavy Snow events..
For the primary scenario on this page (24-hour heating-support essential), the estimated minimum is 46,900 Wh for a 24-hour target. Refine this in the calculator with your actual devices.
NRI is a modeled risk index based on hazard exposure, vulnerability, and expected loss. FEMA declarations reflect federally declared incidents. They answer different questions — use both signals together for planning.
Planning around a short weather event when North Dakota outages can become a longer blizzard-and-wind continuity problem. See the common mistakes section above for more state-specific pitfalls.
