Electric companies in Lewis and Clark County, Montana
Lewis and Clark County, MT ranks 4th of 56 Montana counties for winter weather risk, FEMA score 98.1. Lewis and Clark County, MT has 72,580 residents. Lewis and Clark County, MT: 1 utility listed by EIA. Lewis and Clark County, MT: home electricity prices of 14.23 cents per kWh.
Lewis and Clark County, MT on the map
Lewis and Clark County, MT darker: more storm events
Outage risk in Lewis and Clark County, MT
Lewis and Clark County, MT, NWS storm events 2015 to 2025: 300 in all, 413.3 per 100,000 residents of 72,580, rank 7 of 56 Montana counties. Property damage in Lewis and Clark County, MT: $501K.
Events by year in Lewis and Clark County, MT
events a year, Lewis and Clark County, MT
- 0'15
- 1'16
- 9'17
- 1'18
- 2'19
- 3'20
- 0'21
- 52'22
- 82'23
- 83'24
- 67'25
Events by type
| Lewis and Clark County, MT | FEMA | Score | Rank | Events | Peak | Damage |
|---|---|---|---|---|---|---|
| Lewis and Clark County, MT, thunderstorm and high wind | Relatively Low | 21.2 | 10 of 56 | 197 | 2024 (60) | $1K |
| Lewis and Clark County, MT, tornado | Very Low | 8.9 | 20 of 56 | 0 | none | $0 |
| Lewis and Clark County, MT, ice storm | Very Low | 15.7 | 17 of 56 | 1 | 2025 (1) | $0 |
| Lewis and Clark County, MT, winter storm and heavy snow | Very High | 98.1 | 4 of 56 | 95 | 2023 (40) | $500K |
| Lewis and Clark County, MT, heat wave | Very Low | 35.4 | 12 of 56 | 0 | none | $0 |
Lewis and Clark County, MT, no score or events: hurricane and tropical storm.
Facts about Lewis and Clark County, MT
- Residents of Lewis and Clark County, MT, ACS 2023
- 72,5806 of 56 Montana counties
- Households in Lewis and Clark County, MT
- 30,6552.37 people each
- Owner-occupied homes in Lewis and Clark County, MT
- 69.7%21,363 owner and 9,292 renter households
- Median household income in Lewis and Clark County, MT
- $74,5434 of 56 Montana counties
- Housing units in Lewis and Clark County, MT
- 33,8373,182 vacant or seasonal, 9.4% of the units
- Homes heated by electricity in Lewis and Clark County, MT
- 24.9%7,643 homes, 17 of 56 Montana counties
- Utilities listed for Lewis and Clark County, MT
- 11 with a home price: NorthWestern Energy LLC
- Home price in Lewis and Clark County, MT
- 14.23 ¢/kWhNorthWestern Energy LLC
- ZIP areas touching Lewis and Clark County, MT
- 1159410 to 59648
- Outage-linked storm events in Lewis and Clark County, MT
- 300NWS storm events, 2015 to 2025
- Homes built before 1980 in Lewis and Clark County, MT
- 47.7%median year built 1982
- Flood claims in Lewis and Clark County, MT
- 40NFIP 2015 to 2025, $178K paid
- Home energy burden in Lewis and Clark County, MT
- 2.3%$1,071 a year on electricity (DOE LEAD)
Electricity price since 2015 in Lewis and Clark County, MT
NorthWestern Energy LLC charged Lewis and Clark County, MT homes 11.81 ¢/kWh in 2015. Lewis and Clark County, MT: 14.23 ¢ in 2024, 20% up. Lewis and Clark County, MT: against 16% up for the Montana average.
Lewis and Clark County, MT: a 852 kWh month at that price. Lewis and Clark County, MT: $101 in 2015, $121 in 2024. Lewis and Clark County, MT: $1,455 a year, 2.0% of the $74,543 median income.
Lewis and Clark: 10 yearly prices
| Year | NorthWestern Energy LLC, Lewis and Clark County, MT | Lewis and Clark: Gap to Montana average | Lewis and Clark: Gap to U.S. average |
|---|---|---|---|
| 2015, Lewis and Clark | 11.81 | +0.93 | -0.84 |
| 2016, Lewis and Clark | 11.77 | +0.83 | -0.78 |
| 2017, Lewis and Clark | 11.76 | +0.81 | -1.13 |
| 2018, Lewis and Clark | 11.73 | +0.77 | -1.14 |
| 2019, Lewis and Clark | 12.01 | +0.88 | -1.00 |
| 2020, Lewis and Clark | 12.16 | +0.92 | -0.99 |
| 2021, Lewis and Clark | 12.14 | +0.92 | -1.52 |
| 2022, Lewis and Clark | 12.43 | +1.10 | -2.61 |
| 2023, Lewis and Clark | 14.61 | +2.07 | -1.39 |
| 2024, Lewis and Clark | 14.23 | +1.57 | -2.25 |
Lewis and Clark County, MT: EIA-861 home prices, 2015 to 2024, not a Lewis and Clark County, MT price.
CSVElectric utilities in Lewis and Clark County, MT
| Utility listed for Lewis and Clark County, MT | Type | Home price ¢/kWh | Yearly bill at 852 kWh | Share of Lewis and Clark County, MT median income of $74,543 |
|---|---|---|---|---|
| NorthWestern Energy LLC in Lewis and Clark County, MT | Investor Owned | 14.23 | $1,455 | 1.95% |
Prices are statewide utility averages, not a county price.
Bill and heat pump calculator, Lewis and Clark County, MT
Compare Lewis and Clark County, MT with its neighbours
- Teton County sits 24 miles north of Lewis and Clark County, MT, with 6,291 residents against 72,580 there, 232 storm events against 300, median home built 1961 against 1982, energy burden 4.3% against 2.3%, income $67,766 against $74,543.
- Powell County sits 45 miles south of Lewis and Clark County, MT, with 7,029 residents against 72,580 there, 128 storm events against 300, median home built 1965 against 1982, energy burden 3.5% against 2.3%, income $63,432 against $74,543.
- Pondera County sits 60 miles north of Lewis and Clark County, MT, with 6,012 residents against 72,580 there, 328 storm events against 300, median home built 1964 against 1982, energy burden 4.0% against 2.3%, income $53,500 against $74,543.
- Jefferson County sits 87 miles south of Lewis and Clark County, MT, with 12,501 residents against 72,580 there, 46 storm events against 300, median home built 1989 against 1982, energy burden 2.9% against 2.3%, income $76,576 against $74,543.
- Granite County sits 86 miles southwest of Lewis and Clark County, MT, with 3,419 residents against 72,580 there, 178 storm events against 300, median home built 1977 against 1982, energy burden 4.5% against 2.3%, income $54,646 against $74,543.
Cost of living with electricity in Lewis and Clark County, MT
Lewis and Clark County, MT: electricity $1,071 a year per home (DOE LEAD), all home energy $2,093, 2.3% of $91,151 income. 30,281 households in Lewis and Clark County, MT spend about $32.4 million a year on electricity and $63.4 million on all home energy. Lower-income homes in Lewis and Clark County, MT ($19,618 a year) spend 8.1% of income, 3.5 times the all-home figure.
Energy burden in Lewis and Clark County, MT
| Lewis and Clark County, MT | Homes | Income | Power | Gas | Other | Burden |
|---|---|---|---|---|---|---|
| Lewis and Clark County, MT, all households | 30,281 | $91,151 | $1,071 | $864 | $158 | 2.3% |
| Lewis and Clark County, MT, lower income | 6,524 | $19,618 | $786 | $662 | $130 | 8.1% |
| Lewis and Clark County, MT, owners | 21,354 | $109,590 | $1,265 | $1,111 | $209 | 2.4% |
| Lewis and Clark County, MT, renters | 8,927 | $47,042 | $609 | $272 | $35 | 1.9% |
Housing and heating in Lewis and Clark County, MT
Lewis and Clark County, MT: 16,130 of 33,837 homes were built before 1980 and 9,284 in 2000 or later. Lewis and Clark County, MT has 22,448 detached houses, 2,869 homes in 5+ unit buildings, 3,344 mobile homes, and 9,292 of 30,655 households rent.
Age of homes in Lewis and Clark County, MT
% of homes by decade built, Lewis and Clark County, MT
- 13pre-40
- 440s
- 750s
- 660s
- 1870s
- 1280s
- 1390s
- 1300s
- 1310s
- 220+
Heating fuel in Lewis and Clark County, MT
| Lewis and Clark County, MT | Value | State median | Gap | Rank (1 = highest) |
|---|---|---|---|---|
| Lewis and Clark County, MT, median year built | 1982 | 1974 | +8 years | 11 of 56 |
| Lewis and Clark County, MT, built before 1980 | 47.7% | 59.1% | -11.4 points | 45 of 56 |
| Lewis and Clark County, MT, built 2000 or later | 27.4% | 17.2% | +10.2 points | 15 of 56 |
| Lewis and Clark County, MT, detached houses | 66.3% | 76.3% | -10.0 points | 51 of 56 |
| Lewis and Clark County, MT, apartments in 5+ unit buildings | 8.5% | 3.9% | +4.5 points | 11 of 56 |
| Lewis and Clark County, MT, mobile homes | 9.9% | 11.7% | -1.8 points | 40 of 56 |
| Lewis and Clark County, MT, renter households | 30.3% | 26.9% | +3.4 points | 22 of 56 |
| Lewis and Clark County, MT, median home value | $358,200 | $214,750 | +$143,450 | 11 of 56 |
| Lewis and Clark County, MT, median gross rent a month | $1,062 | $801 | +$261 | 7 of 56 |
| Lewis and Clark County, MT, people per household | 2.31 | 2.35 | -0.04 | 33 of 56 |
Flood claims and flood insurance in Lewis and Clark County, MT
Lewis and Clark County, MT: 40 NFIP flood claims in 2015 to 2025, $178K paid, median paid claim $5,192.
176 of 29,914 residential structures in Lewis and Clark County, MT carry an NFIP contract. 195 NFIP policies of any type were in force in Lewis and Clark County, MT on 8 Sep 2026. Lewis and Clark County, MT lists 5 repetitive-loss properties.
Lewis and Clark County, MT: claims history, not an outage count.
Flood claims by year in Lewis and Clark County, MT
flood claims a year, Lewis and Clark County, MT
- 0'15
- 0'16
- 0'17
- 38'18
- <5'19
- 0'20
- 0'21
- 0'22
- 0'23
- <5'24
- 0'25
| Lewis and Clark County, MT | Value | Median county | Rank (1 = highest) |
|---|---|---|---|
| Lewis and Clark County, MT, claims 2015-2025 | 40 | — | 2 of 11 |
| Lewis and Clark County, MT, paid 2015-2025 | $178K | — | 7 of 11 |
| Lewis and Clark County, MT, median paid claim | $5,192 | — | — |
| Lewis and Clark County, MT, claims per 1,000 homes | 1.3 | 1.0 | 4 of 11 |
| Lewis and Clark County, MT, homes with flood insurance | 0.6% | 0.4% | 9 of 45 |
| Lewis and Clark County, MT, policies in force | 195 | — | — |
| Lewis and Clark County, MT, repetitive-loss properties | 5 | — | — |
Lewis and Clark County, MT: OpenFEMA NFIP, claims as of 8 Sep 2026, insured share as of 3 Aug 2026; counts under 5 are hidden.
Lewis and Clark County, MT: flood claims by state, flood hub.
Climate and electric heating in Lewis and Clark County, MT
Lewis and Clark County, MT totals 8,762 heating degree days and 112 cooling degree days a year (1991-2020 normal).
For heating, Lewis and Clark County, MT is the 18th coldest of 56 counties in Montana: 8,762 against a median of 8,470. For cooling, Lewis and Clark County, MT is the 43rd hottest: 112 against a median of 268.
Lewis and Clark County, MT: winter dominates, by 8,650 heating degree days over cooling.
Lewis and Clark County, MT: the 2016-2025 mean was 8,591 heating degree days, near the 8,762 normal (-2%).
In Lewis and Clark County, MT, 24.9% of 30,655 homes heat with electricity; the other 75.1% use another main heating fuel.
| Lewis and Clark County, MT | Value | MT median county | Lewis and Clark County, MT, rank (1 = highest) |
|---|---|---|---|
| Lewis and Clark County, MT, heating degree days, 1991-2020 normal | 8,762 | 8,470 | 18 of 56 |
| Lewis and Clark County, MT, heating degree days, 2016-2025 mean | 8,591 | 8,302 | 19 of 56 |
| Lewis and Clark County, MT, cooling degree days, 1991-2020 normal | 112 | 268 | 43 of 56 |
| Lewis and Clark County, MT, cooling degree days, 2016-2025 mean | 146 | 314 | 44 of 56 |
| Lewis and Clark County, MT, electric heating, ACS 2019-2023 | 24.9% | 19.8% | 17 of 56 |
Lewis and Clark County, MT: ACS B25040, 30,655 homes; NOAA nClimDiv, retrieved 7 Oct 2026.
Analyst note on Lewis and Clark County, MT
Lewis and Clark County, MT counts 72,580 residents in 30,655 households. Household income in Lewis and Clark County, MT is $74,543; 21,363 of its 30,655 households own. Lewis and Clark County, MT touches 11 ZIP areas, 59410 to 59648, about 6,598 residents each.
7,643 of the 30,655 homes in Lewis and Clark County, MT heat with electricity. Lewis and Clark County, MT has 33,837 housing units, 3,182 (9.4%) vacant or seasonal, and 9,292 rented homes. Lewis and Clark County, MT logged 300 storm events for its 72,580 residents.
The median home in Lewis and Clark County, MT dates from 1982. Homes in Lewis and Clark County, MT pay $1,071 a year for electricity.
Cities in Lewis and Clark County, MT
- Helena electricity rates33,126 residents
ZIP codes in Lewis and Clark County, MT
- 59410
- 59601
- 59602
- 59623
- 59625
- 59633
- 59635
- 59636
- 59639
- 59640
- 59648
Montana: home prices since 2001, planned plants. 7 MW planned in this county.
Questions on Lewis and Clark County, MT
Lewis and Clark County, MT: what do homes pay for electricity?
Lewis and Clark County, MT homes paid 14.23 cents per kWh in 2024 across 1 listed utility: $121 a month at 852 kWh, 1.95% of Lewis and Clark County, MT income.
Lewis and Clark County, MT: how many homes heat with electricity?
Lewis and Clark County, MT: 7,643 of 30,655 occupied homes, 24.9%, rank 17 of 56.
Lewis and Clark County, MT: median household income?
$74,543 in Lewis and Clark County, MT, rank 4 of 56; 72,580 residents, 30,655 households.
Lewis and Clark County, MT: outage-linked storms since 2015?
Lewis and Clark County, MT: 300 NWS events, peak year 2024.
Lewis and Clark County, MT: flood insurance claims since 2015?
Lewis and Clark County, MT: 40 NFIP flood claims, $178K paid, 1.3 per 1,000 homes, 0.6% of homes insured.
How old are the homes in Lewis and Clark County, MT?
Lewis and Clark County, MT: median home built 1982; 47.7% predate 1980, 66.3% detached, 8.5% in 5+ unit buildings.
Lewis and Clark County, MT: share of income for energy?
Lewis and Clark County, MT homes spend $1,071 a year on electricity, $2,093 on all energy: 2.3% of $91,151; 8.1% for lower incomes.