Electric companies in Carroll County, Maryland
Carroll County, MD ranks 4 of 23 Maryland counties for damaging wind risk, FEMA score 94.3. Carroll County in Maryland has 174,318 residents and 2 utilities listed by EIA.
Households in Carroll County can pick a supplier. How to compare.
Carroll County on the map
Carroll County darker: more storm events
Electric utilities in Carroll County
| Utility listed for Carroll County, MD | Type | Home accounts in Maryland |
|---|---|---|
| The Potomac Edison Company in Carroll County, MD | Investor Owned | 256,568 |
| Baltimore Gas & Electric Co in Carroll County, MD | Investor Owned | 1,214,100 |
Plans from retail suppliers are not in public data, so no plan prices are shown. The listed utilities deliver the power, and which one serves your street depends on the address.
Outage risk in Carroll County
Carroll County, MD, NWS storm events 2015 to 2025: 228 in all, 130.8 per 100,000 residents of 174,318, rank 10 of 23 Maryland counties. Property damage in Carroll County, MD: $49.8M, with 4 direct injuries or deaths.
Events by year in Carroll County, MD
events a year, Carroll County, MD
- 10'15
- 12'16
- 10'17
- 16'18
- 42'19
- 19'20
- 29'21
- 27'22
- 29'23
- 13'24
- 21'25
Events by type
| Carroll County, MD | FEMA | Score | Rank | Events | Peak | Damage |
|---|---|---|---|---|---|---|
| Carroll County, MD, thunderstorm and high wind | Relatively High | 94.3 | 4 of 23 | 192 | 2019 (36) | $37.7M |
| Carroll County, MD, tornado | Relatively Low | 36.4 | 10 of 23 | 7 | 2024 (3) | $12.1M |
| Carroll County, MD, hurricane and tropical storm | Relatively Low | 77.0 | 21 of 23 | 0 | none | $0 |
| Carroll County, MD, ice storm | Relatively Low | 31.0 | 21 of 23 | 0 | none | $0 |
| Carroll County, MD, winter storm and heavy snow | Relatively High | 85.9 | 9 of 23 | 22 | 2021 (4) | $0 |
| Carroll County, MD, heat wave | Relatively Low | 75.2 | 12 of 23 | 7 | 2019 (3) | $0 |
Facts about Carroll County
- Residents of Carroll County, MD, ACS 2023
- 174,3188 of 23 Maryland counties
- Households in Carroll County, MD
- 63,4872.75 people each
- Owner-occupied homes in Carroll County, MD
- 83.9%53,237 owner and 10,250 renter households
- Median household income in Carroll County, MD
- $115,8767 of 23 Maryland counties
- Housing units in Carroll County, MD
- 66,1672,680 vacant or seasonal, 4.1% of the units
- Homes heated by electricity in Carroll County, MD
- 50.0%31,729 homes, 14 of 23 Maryland counties
- Utilities listed for Carroll County, MD
- 22 with a home price: The Potomac Edison Company, Baltimore Gas & Electric Co
- ZIP areas touching Carroll County, MD
- 1321048 to 21797
- Outage-linked storm events in Carroll County, MD
- 228NWS storm events, 2015 to 2025
- Homes built before 1980 in Carroll County, MD
- 43.9%median year built 1983
- Flood claims in Carroll County, MD
- 30NFIP 2015 to 2025, $339K paid
- Home energy burden in Carroll County, MD
- 1.9%$1,542 a year on electricity (DOE LEAD)
Bill and heat pump calculator, Carroll County
Compare Carroll County with its neighbours
- Howard County sits 22 miles south of Carroll County, MD with 333,916 residents, 249 storm events, median home built 1989, energy burden 1.4%, income $146,982.
- Frederick County sits 22 miles west of Carroll County, MD with 280,341 residents, 352 storm events, median home built 1990, energy burden 1.6%, income $120,458.
- Baltimore County sits 27 miles southeast of Carroll County, MD with 849,586 residents, 438 storm events, median home built 1973, energy burden 2.0%, income $90,904.
- Montgomery County sits 34 miles south of Carroll County, MD with 1,057,586 residents, 558 storm events, median home built 1980, energy burden 1.4%, income $128,733.
- Prince George's County sits 48 miles south of Carroll County, MD with 955,584 residents, 295 storm events, median home built 1977, energy burden 2.0%, income $100,708.
Cost of living with electricity in Carroll County
Carroll County, MD: electricity $1,542 a year per home (DOE LEAD), all home energy $2,549, 1.9% of $130,568 income. 63,318 households in Carroll County, MD spend about $97.6 million a year on electricity and $161.4 million on all home energy. Lower-income homes in Carroll County, MD ($28,705 a year) spend 6.4% of income, 3.3 times the all-home figure.
Energy burden in Carroll County, MD
| Carroll County, MD | Homes | Income | Power | Gas | Other | Burden |
|---|---|---|---|---|---|---|
| Carroll County, MD, all households | 63,318 | $130,568 | $1,542 | $419 | $588 | 1.9% |
| Carroll County, MD, lower income | 13,784 | $28,705 | $1,161 | $152 | $525 | 6.4% |
| Carroll County, MD, owners | 52,580 | $146,779 | $1,688 | $489 | $644 | 1.9% |
| Carroll County, MD, renters | 10,738 | $51,190 | $828 | $76 | $311 | 2.4% |
Housing and heating in Carroll County
Carroll County, MD: 29,016 of 66,167 homes were built before 1980 and 13,025 in 2000 or later. Carroll County, MD has 51,140 detached houses, 4,737 homes in 5+ unit buildings, 535 mobile homes, and 10,250 of 63,487 households rent.
Age of homes in Carroll County, MD
% of homes by decade built, Carroll County, MD
- 11pre-40
- 240s
- 550s
- 860s
- 1870s
- 1880s
- 1890s
- 1300s
- 510s
- 120+
Heating fuel in Carroll County, MD
| Carroll County, MD | Value | State median | Gap | Rank |
|---|---|---|---|---|
| Carroll County, MD, median year built | 1983 | 1983 | +0 years | 11 of 23 |
| Carroll County, MD, built before 1980 | 43.9% | 45.2% | -1.3 points | 14 of 23 |
| Carroll County, MD, built 2000 or later | 19.7% | 21.8% | -2.1 points | 18 of 23 |
| Carroll County, MD, detached houses | 77.3% | 70.6% | +6.6 points | 6 of 23 |
| Carroll County, MD, apartments in 5+ unit buildings | 7.2% | 11.5% | -4.3 points | 19 of 23 |
| Carroll County, MD, mobile homes | 0.8% | 2.7% | -1.9 points | 20 of 23 |
| Carroll County, MD, renter households | 16.1% | 27.4% | -11.2 points | 22 of 23 |
| Carroll County, MD, median home value | $406,400 | $367,300 | +$39,100 | 7 of 23 |
| Carroll County, MD, median gross rent a month | $1,370 | $1,370 | +$0 | 12 of 23 |
| Carroll County, MD, people per household | 2.68 | 2.57 | +0.11 | 8 of 23 |
Flood claims and flood insurance in Carroll County
Carroll County, MD: 30 NFIP flood claims in 2015 to 2025, $339K paid, median paid claim $10,727.
177 of 59,125 residential structures in Carroll County, MD carry an NFIP contract. 196 NFIP policies of any type were in force in Carroll County, MD on 8 Sep 2026. Carroll County, MD lists 10 repetitive-loss properties.
Carroll County, MD: claims history, not an outage count.
Flood claims by year in Carroll County, MD
flood claims a year, Carroll County, MD
- <5'15
- 0'16
- 0'17
- 11'18
- <5'19
- <5'20
- 6'21
- 0'22
- 0'23
- <5'24
- <5'25
| Carroll County, MD | Value | Median county | Rank |
|---|---|---|---|
| Carroll County, MD, claims 2015-2025 | 30 | — | 20 of 23 |
| Carroll County, MD, paid 2015-2025 | $339K | — | 21 of 23 |
| Carroll County, MD, median paid claim | $10,727 | — | — |
| Carroll County, MD, claims per 1,000 homes | 0.5 | 1.9 | 22 of 23 |
| Carroll County, MD, homes with flood insurance | 0.3% | 1.2% | 24 of 24 |
| Carroll County, MD, policies in force | 196 | — | — |
| Carroll County, MD, repetitive-loss properties | 10 | — | — |
Carroll County, MD: OpenFEMA NFIP, claims as of 8 Sep 2026, insured share as of 3 Aug 2026; counts under 5 are hidden.
Carroll County: flood claims by state, flood hub.
Analyst note on Carroll County
Carroll County, MD counts 174,318 residents in 63,487 households. Carroll County, MD touches 13 ZIP areas, 21048 to 21797, about 13,409 residents each. Household income in Carroll County, MD is $115,876; 53,237 of its 63,487 households own.
31,729 of the 63,487 homes in Carroll County, MD heat with electricity. Carroll County, MD has 66,167 housing units, 2,680 (4.1%) vacant or seasonal, and 10,250 rented homes. Carroll County, MD logged 228 storm events for its 174,318 residents.
The median home in Carroll County, MD dates from 1983. Homes in Carroll County, MD pay $1,542 a year for electricity.
Cities in Carroll County
- Eldersburg electricity rates30,626 residents
ZIP codes in Carroll County
- 21048
- 21074
- 21102
- 21104
- 21157
- 21158
- 21757
- 21771
- 21776
- 21784
- 21787
- 21791
- 21797
Maryland: home prices since 2001, planned plants.
Questions on Carroll County
Carroll County, MD: what do homes pay for electricity?
No single price in Carroll County, MD: 2 utilities deliver power and homes pick a plan. Maryland average 17.86 cents per kWh, $166 a month at 929 kWh.
Carroll County, MD: how many homes heat with electricity?
Carroll County, MD: 31,729 of 63,487 occupied homes, 50.0%, rank 14 of 23.
Carroll County, MD: median household income?
$115,876 in Carroll County, MD, rank 7 of 23; 174,318 residents, 63,487 households.
Carroll County, MD: outage-linked storms since 2015?
Carroll County, MD: 228 NWS events, peak year 2019.
Carroll County, MD: flood insurance claims since 2015?
Carroll County, MD: 30 NFIP flood claims, $339K paid, 0.5 per 1,000 homes, 0.3% of homes insured.
How old are the homes in Carroll County, MD?
Carroll County, MD: median home built 1983; 43.9% predate 1980, 77.3% detached, 7.2% in 5+ unit buildings.
Carroll County, MD: share of income for energy?
Carroll County, MD homes spend $1,542 a year on electricity, $2,549 on all energy: 1.9% of $130,568; 6.4% for lower incomes.