Electric companies in Sussex County, Delaware
Sussex County in Delaware has 247,799 residents and 3 utilities listed by EIA.
Households in Sussex County can pick a supplier. How to compare.
Sussex County on the map
Sussex County darker: more storm events
Electric utilities in Sussex County
| Utility listed for Sussex County, DE | Type | Home accounts in Delaware |
|---|---|---|
| Delaware Electric Cooperative in Sussex County, DE | Cooperative | 104,839 |
| City of Milford in Sussex County, DE | Municipal | 7,169 |
| Delmarva Power in Sussex County, DE | Investor Owned | 301,950 |
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.
ZIP codes in Sussex County
- 19930
- 19931
- 19933
- 19939
- 19940
- 19941
- 19944
- 19945
- 19947
- 19950
- 19951
- 19956
- 19958
- 19960
- 19963
- 19966
- 19967
- 19968
- 19970
- 19971
- 19973
- 19975
Facts about Sussex County
- Residents of Sussex County, DE, ACS 2023
- 247,7992 of 3 Delaware counties
- Households in Sussex County, DE
- 103,2132.40 people each
- Owner-occupied homes in Sussex County, DE
- 81.3%83,879 owner and 19,334 renter households
- Median household income in Sussex County, DE
- $78,1622 of 3 Delaware counties
- Housing units in Sussex County, DE
- 147,90444,691 vacant or seasonal, 30.2% of the units
- Homes heated by electricity in Sussex County, DE
- 51.8%53,441 homes, 1 of 3 Delaware counties
- Utilities listed for Sussex County, DE
- 33 with a home price: Delaware Electric Cooperative, City of Milford, Delmarva Power
- ZIP areas touching Sussex County, DE
- 2219930 to 19975
- Outage-linked storm events in Sussex County, DE
- 254NWS storm events, 2015 to 2025
- Homes built before 1980 in Sussex County, DE
- 24.7%median year built 1999
- Flood claims in Sussex County, DE
- 350NFIP 2015 to 2025, $2.8M paid
- Home energy burden in Sussex County, DE
- 2.6%$1,548 a year on electricity (DOE LEAD)
Outage risk in Sussex County
Sussex County, DE, NWS storm events 2015 to 2025: 254 in all, 102.5 per 100,000 residents of 247,799, rank 2 of 3 Delaware counties. Property damage in Sussex County, DE: $124K, with 4 direct injuries or deaths.
Events by year in Sussex County, DE
events a year, Sussex County, DE
- 35'15
- 17'16
- 11'17
- 10'18
- 34'19
- 47'20
- 23'21
- 28'22
- 17'23
- 9'24
- 23'25
Events by type
| Sussex County, DE | FEMA | Score | Rank | Events | Peak | Damage |
|---|---|---|---|---|---|---|
| Sussex County, DE, thunderstorm and high wind | Relatively High | 85.6 | 2 of 3 | 214 | 2020 (42) | $124K |
| Sussex County, DE, tornado | Relatively Low | 63.4 | 3 of 3 | 9 | 2019 (2) | $0 |
| Sussex County, DE, hurricane and tropical storm | Relatively High | 97.2 | 1 of 3 | 4 | 2020 (4) | $0 |
| Sussex County, DE, ice storm | Relatively Moderate | 82.1 | 2 of 3 | 0 | none | $0 |
| Sussex County, DE, winter storm and heavy snow | Very High | 96.7 | 2 of 3 | 21 | 2015 (6) | $0 |
| Sussex County, DE, heat wave | Relatively Moderate | 89.4 | 2 of 3 | 6 | 2015 (3) | $0 |
Housing and heating in Sussex County
Sussex County, DE: 36,519 of 147,904 homes were built before 1980 and 71,183 in 2000 or later. Sussex County, DE has 96,595 detached houses, 12,817 homes in 5+ unit buildings, 19,715 mobile homes, and 19,334 of 103,213 households rent.
Age of homes in Sussex County, DE
% of homes by decade built, Sussex County, DE
- 4pre-40
- 240s
- 450s
- 460s
- 1070s
- 1380s
- 1590s
- 2500s
- 1910s
- 420+
Heating fuel in Sussex County, DE
| Sussex County, DE | Value | State median | Gap | Rank |
|---|---|---|---|---|
| Sussex County, DE, median year built | 1999 | 1993 | +6 years | 1 of 3 |
| Sussex County, DE, built before 1980 | 24.7% | 34.8% | -10.1 points | 3 of 3 |
| Sussex County, DE, built 2000 or later | 48.1% | 39.6% | +8.6 points | 1 of 3 |
| Sussex County, DE, detached houses | 65.3% | 64.9% | +0.4 points | 1 of 3 |
| Sussex County, DE, apartments in 5+ unit buildings | 8.7% | 11.6% | -2.9 points | 3 of 3 |
| Sussex County, DE, mobile homes | 13.3% | 10.7% | +2.7 points | 1 of 3 |
| Sussex County, DE, renter households | 18.7% | 29.0% | -10.3 points | 3 of 3 |
| Sussex County, DE, median home value | $353,300 | $329,800 | +$23,500 | 1 of 3 |
| Sussex County, DE, median gross rent a month | $1,221 | $1,285 | -$64 | 3 of 3 |
| Sussex County, DE, people per household | 2.37 | 2.50 | -0.13 | 3 of 3 |
Cost of living with electricity in Sussex County
Sussex County, DE: electricity $1,548 a year per home (DOE LEAD), all home energy $2,469, 2.6% of $96,013 income. 99,858 households in Sussex County, DE spend about $154.6 million a year on electricity and $246.5 million on all home energy. Lower-income homes in Sussex County, DE ($24,320 a year) spend 9.3% of income, 3.6 times the all-home figure.
Energy burden in Sussex County, DE
| Sussex County, DE | Homes | Income | Power | Gas | Other | Burden |
|---|---|---|---|---|---|---|
| Sussex County, DE, all households | 99,858 | $96,013 | $1,548 | $710 | $211 | 2.6% |
| Sussex County, DE, lower income | 27,973 | $24,320 | $1,531 | $527 | $209 | 9.3% |
| Sussex County, DE, owners | 81,325 | $107,378 | $1,610 | $796 | $221 | 2.5% |
| Sussex County, DE, renters | 18,533 | $46,144 | $1,273 | $332 | $165 | 3.8% |
Flood claims and flood insurance in Sussex County
Sussex County, DE: 350 NFIP flood claims in 2015 to 2025, $2.8M paid, median paid claim $5,407.
15,126 of 119,460 residential structures in Sussex County, DE carry an NFIP contract. 21,783 NFIP policies of any type were in force in Sussex County, DE on 8 Sep 2026. Sussex County, DE lists 304 repetitive-loss properties, 23 of them severe repetitive loss.
Sussex County, DE: claims history, not an outage count.
Flood claims by year in Sussex County, DE
flood claims a year, Sussex County, DE
- 34'15
- 141'16
- 10'17
- 22'18
- 20'19
- 17'20
- 44'21
- 11'22
- 22'23
- 11'24
- 18'25
| Sussex County, DE | Value | Median county | Rank |
|---|---|---|---|
| Sussex County, DE, claims 2015-2025 | 350 | — | 1 of 3 |
| Sussex County, DE, paid 2015-2025 | $2.8M | — | 2 of 3 |
| Sussex County, DE, median paid claim | $5,407 | — | — |
| Sussex County, DE, claims per 1,000 homes | 2.9 | 1.3 | 1 of 3 |
| Sussex County, DE, homes with flood insurance | 12.7% | 1.3% | 1 of 3 |
| Sussex County, DE, policies in force | 21,783 | — | — |
| Sussex County, DE, repetitive-loss properties | 304 | — | — |
Sussex County, DE: OpenFEMA NFIP, claims as of 8 Sep 2026, insured share as of 3 Aug 2026; counts under 5 are hidden.
Sussex County: flood claims by state, flood hub.
Analyst note on Sussex County
Sussex County, DE touches 22 ZIP areas, 19930 to 19975, about 11,264 residents each. 53,441 of the 103,213 homes in Sussex County, DE heat with electricity. Sussex County, DE counts 247,799 residents in 103,213 households.
Household income in Sussex County, DE is $78,162; 83,879 of its 103,213 households own. Sussex County, DE has 147,904 housing units, 44,691 (30.2%) vacant or seasonal, and 19,334 rented homes. Sussex County, DE logged 254 storm events for its 247,799 residents.
The median home in Sussex County, DE dates from 1999. Homes in Sussex County, DE pay $1,548 a year for electricity.
Bill and heat pump calculator, Sussex County
Compare Sussex County with its neighbours
- Kent County sits 34 miles north of Sussex County, DE with 185,043 residents, 147 storm events, median home built 1993, energy burden 3.0%, income $72,872.
- New Castle County sits 71 miles north of Sussex County, DE with 573,030 residents, 281 storm events, median home built 1975, energy burden 2.0%, income $89,901.
Delaware: home prices since 2001, planned plants. 6 MW planned in this county.
Questions on Sussex County
Sussex County, DE: what do homes pay for electricity?
No single price in Sussex County, DE: 3 utilities deliver power and homes pick a plan. Delaware average 16.57 cents per kWh, $151 a month at 911 kWh.
Sussex County, DE: how many homes heat with electricity?
Sussex County, DE: 53,441 of 103,213 occupied homes, 51.8%, rank 1 of 3.
Sussex County, DE: median household income?
$78,162 in Sussex County, DE, rank 2 of 3; 247,799 residents, 103,213 households.
Sussex County, DE: outage-linked storms since 2015?
Sussex County, DE: 254 NWS events, peak year 2020.
Sussex County, DE: flood insurance claims since 2015?
Sussex County, DE: 350 NFIP flood claims, $2.8M paid, 2.9 per 1,000 homes, 12.7% of homes insured.
How old are the homes in Sussex County, DE?
Sussex County, DE: median home built 1999; 24.7% predate 1980, 65.3% detached, 8.7% in 5+ unit buildings.
Sussex County, DE: share of income for energy?
Sussex County, DE homes spend $1,548 a year on electricity, $2,469 on all energy: 2.6% of $96,013; 9.3% for lower incomes.