Electric Consumer

Editor: Katerine G., Editor & Data Researcher · Research & publishing: Electric Consumer Editorial Team · Data retrieved · Sources named on this page: EIA-861, EPA eGRID, Census ACS, DOE LEAD, OpenFEMA NFIP · How we got these numbers · Report an error

Electric companies in Rockwall County, Texas

Rockwall County, TX ranks 1st of 254 Texas counties for the newest homes (median year built 2005). Rockwall County, TX has 116,931 residents. Rockwall County, TX: 2 utilities listed by EIA. Oncor Electric Delivery Company LLC delivers power to 3,477,215 home accounts in Texas at 5.19 cents per kWh for delivery alone, and you choose only the supplier.

Households in Rockwall County can pick a supplier. See how to compare suppliers.

Rockwall County, TX on the map

Rockwall County, TX and nearby counties, shaded by storm eventsRockwallCollinDallasKaufmanHuntEllis

Rockwall County, TX darker: more storm events

Electric utilities in Rockwall County, TX

Utility listed for Rockwall County, TXTypeHome accounts in Texas
Oncor Electric Delivery Company LLC in Rockwall County, TXInvestor Owned3,477,215
Farmers Electric Coop, Inc in Rockwall County, TXCooperative84,006

Oncor Electric Delivery Company LLC delivers power here and bills delivery only, so no plan price exists; you choose only the supplier. Which listed company serves your street depends on the address.

Housing and heating in Rockwall County, TX

Rockwall County, TX: 3,127 of 41,426 homes were built before 1980 and 27,035 in 2000 or later. Rockwall County, TX has 35,410 detached houses, 3,303 homes in 5+ unit buildings, 1,371 mobile homes, and 6,890 of 39,513 households rent.

Age of homes in Rockwall County, TX

% of homes by decade built, Rockwall County, TX

  1. 0pre-40
  2. 040s
  3. 150s
  4. 160s
  5. 570s
  6. 1380s
  7. 1490s
  8. 3100s
  9. 2710s
  10. 720+

Heating fuel in Rockwall County, TX

% of homes by main fuel, Rockwall County

  • Electricity53.7
  • Utility gas40.4
  • Propane5.0
Rockwall County, TX housing against Texas counties
Rockwall County, TXValueState medianGapRank (1 = highest)
Rockwall County, TX, median year built20051981+24 years1 of 254
Rockwall County, TX, built before 19807.5%48.9%-41.4 points254 of 254
Rockwall County, TX, built 2000 or later65.3%23.8%+41.4 points1 of 254
Rockwall County, TX, detached houses85.5%73.4%+12.1 points24 of 254
Rockwall County, TX, apartments in 5+ unit buildings8.0%3.7%+4.3 points63 of 254
Rockwall County, TX, mobile homes3.3%14.1%-10.8 points243 of 254
Rockwall County, TX, renter households17.4%25.5%-8.1 points235 of 254
Rockwall County, TX, median home value$386,000$158,050+$227,9509 of 250
Rockwall County, TX, median gross rent a month$1,899$928+$9711 of 246
Rockwall County, TX, people per household2.942.59+0.3530 of 254

Facts about Rockwall County, TX

Residents of Rockwall County, TX, ACS 2023
116,93139 of 254 Texas counties
Households in Rockwall County, TX
39,5132.96 people each
Owner-occupied homes in Rockwall County, TX
82.6%32,623 owner and 6,890 renter households
Median household income in Rockwall County, TX
$124,9171 of 253 Texas counties
Housing units in Rockwall County, TX
41,4261,913 vacant or seasonal, 4.6% of the units
Homes heated by electricity in Rockwall County, TX
53.7%21,230 homes, 176 of 254 Texas counties
Utilities listed for Rockwall County, TX
21 with a home price: Farmers Electric Coop, Inc
ZIP areas touching Rockwall County, TX
475032 to 75189
Outage-linked storm events in Rockwall County, TX
67NWS storm events, 2015 to 2025
Homes built before 1980 in Rockwall County, TX
7.5%median year built 2005
Flood claims in Rockwall County, TX
31NFIP 2015 to 2025, $1.3M paid
Home energy burden in Rockwall County, TX
2.0%$2,351 a year on electricity (DOE LEAD)

Electricity price since 2015 in Rockwall County, TX

Rockwall County, TX has no price series of its own. Rockwall County, TX: the Texas average was 11.56 ¢/kWh in 2015. Rockwall County, TX: 14.94 ¢ in 2024, 29% up. Rockwall County, TX: against 30% up for the U.S. average.

Rockwall County, TX: a 1,096 kWh month at the Texas price. Rockwall County, TX: $127 in 2015, $164 in 2024. Rockwall County, TX: $1,965 a year, 1.6% of the $124,917 median income.

Rockwall: 10 yearly prices
YearTexas averageRockwall: Gap to U.S. average
2015, Rockwall11.56-1.09
2016, Rockwall10.99-1.56
2017, Rockwall11.01-1.88
2018, Rockwall11.20-1.67
2019, Rockwall11.76-1.25
2020, Rockwall11.71-1.44
2021, Rockwall12.11-1.55
2022, Rockwall13.76-1.28
2023, Rockwall14.46-1.54
2024, Rockwall14.94-1.54

Rockwall County, TX: EIA-861 home prices, 2015 to 2024, not a Rockwall County, TX price.

CSV

Cost of living with electricity in Rockwall County, TX

Rockwall County, TX: electricity $2,351 a year per home (DOE LEAD), all home energy $2,984, 2.0% of $148,665 income. 37,881 households in Rockwall County, TX spend about $89.1 million a year on electricity and $113.0 million on all home energy. Lower-income homes in Rockwall County, TX ($19,860 a year) spend 11.4% of income, 5.7 times the all-home figure.

Energy burden in Rockwall County, TX

% of income on energy, Rockwall County, TX

  • All households2.0
  • Lower income11.4
  • Owners2.0
  • Renters2.2
  • Texas counties2.2
Rockwall County, TX home energy cost by household group
Rockwall County, TXHomesIncomePowerGasOtherBurden
Rockwall County, TX, all households37,881$148,665$2,351$619$142.0%
Rockwall County, TX, lower income3,711$19,860$1,797$454$711.4%
Rockwall County, TX, owners31,503$162,814$2,524$690$162.0%
Rockwall County, TX, renters6,378$78,776$1,497$265$12.2%

Outage risk in Rockwall County, TX

Rockwall County, TX, NWS storm events 2015 to 2025: 67 in all, 57.3 per 100,000 residents of 116,931, rank 146 of 254 Texas counties. Property damage in Rockwall County, TX: $12.5M.

Events by year in Rockwall County, TX

events a year, Rockwall County, TX

  1. 4'15
  2. 1'16
  3. 1'17
  4. 0'18
  5. 9'19
  6. 5'20
  7. 7'21
  8. 8'22
  9. 14'23
  10. 12'24
  11. 6'25

Events by type

events by type, Rockwall County, TX

  • Heat wave47
  • Thunderstorm and high wind10
  • Tornado5
  • Winter storm and heavy snow4
  • Ice storm1
Rockwall County, TX outage-linked hazards
Rockwall County, TXFEMAScoreRankEventsPeakDamage
Rockwall County, TX, thunderstorm and high windRelatively Moderate74.466 of 254102022 (2)$1.2M
Rockwall County, TX, tornadoRelatively High93.732 of 25452019 (3)$11.3M
Rockwall County, TX, hurricane and tropical stormVery Low34.0168 of 2500none$0
Rockwall County, TX, ice stormRelatively Low54.6108 of 25412023 (1)$0
Rockwall County, TX, winter storm and heavy snowRelatively Low32.2157 of 25442015 (2)$6K
Rockwall County, TX, heat waveRelatively Moderate90.137 of 254472023 (12)$0

Flood claims and flood insurance in Rockwall County, TX

Rockwall County, TX: 31 NFIP flood claims in 2015 to 2025, $1.3M paid, median paid claim $20,007.

158 of 33,711 residential structures in Rockwall County, TX carry an NFIP contract. 182 NFIP policies of any type were in force in Rockwall County, TX on 8 Sep 2026. Rockwall County, TX lists 7 repetitive-loss properties.

Rockwall County, TX: claims history, not an outage count.

Flood claims by year in Rockwall County, TX

flood claims a year, Rockwall County, TX

  1. 7'15
  2. <5'16
  3. <5'17
  4. 10'18
  5. 0'19
  6. 0'20
  7. 0'21
  8. <5'22
  9. <5'23
  10. <5'24
  11. <5'25
Rockwall County, TX flood claims and flood insurance
Rockwall County, TXValueMedian countyRank (1 = highest)
Rockwall County, TX, claims 2015-202531—91 of 140
Rockwall County, TX, paid 2015-2025$1.3M—80 of 140
Rockwall County, TX, median paid claim$20,007——
Rockwall County, TX, claims per 1,000 homes0.92.9114 of 140
Rockwall County, TX, homes with flood insurance0.5%0.7%147 of 222
Rockwall County, TX, policies in force182——
Rockwall County, TX, repetitive-loss properties7——

Rockwall County, TX: OpenFEMA NFIP, claims as of 8 Sep 2026, insured share as of 3 Aug 2026; counts under 5 are hidden.

Rockwall County, TX: flood claims by state, flood hub.

Climate and electric heating in Rockwall County, TX

Rockwall County, TX totals 2,377 heating degree days and 2,480 cooling degree days a year (1991-2020 normal).

For heating, Rockwall County, TX is the 106th coldest of 254 counties in Texas: 2,377 against a median of 2,226. For cooling, Rockwall County, TX is the 124th hottest: 2,480 against a median of 2,472.

Rockwall County, TX sits between climates, 103 degree days separate heating and cooling.

Rockwall County, TX averaged 2,712 cooling degree days in 2016-2025 against a 2,480 normal, 9% more.

Rockwall County, TX: 53.7% of 39,513 homes heat with electricity; 46.3% use gas, oil, wood or something else.

Rockwall County, TX

  • Heating degree days, 2,377 vs 2,226107
  • Cooling degree days, 2,480 vs 2,472100
  • Electric heat, 53.7% vs 63.5%85
  • TX median county100
Rockwall County, TX: degree days, electric heat
Rockwall County, TXValueTX median countyRockwall County, TX, rank (1 = highest)
Rockwall County, TX, heating degree days, 1991-2020 normal2,3772,226106 of 254
Rockwall County, TX, heating degree days, 2016-2025 mean2,1442,023107 of 254
Rockwall County, TX, cooling degree days, 1991-2020 normal2,4802,472124 of 254
Rockwall County, TX, cooling degree days, 2016-2025 mean2,7122,708126 of 254
Rockwall County, TX, electric heating, ACS 2019-202353.7%63.5%175 of 254

Rockwall County, TX: ACS B25040, 39,513 homes; NOAA nClimDiv, retrieved 7 Oct 2026.

Analyst note on Rockwall County, TX

Household income in Rockwall County, TX is $124,917; 32,623 of its 39,513 households own. Rockwall County, TX counts 116,931 residents in 39,513 households. 21,230 of the 39,513 homes in Rockwall County, TX heat with electricity.

Rockwall County, TX touches 4 ZIP areas, 75032 to 75189, about 29,233 residents each. Rockwall County, TX has 41,426 housing units, 1,913 (4.6%) vacant or seasonal, and 6,890 rented homes. Rockwall County, TX logged 67 storm events for its 116,931 residents.

The median home in Rockwall County, TX dates from 2005. Homes in Rockwall County, TX pay $2,351 a year for electricity.

Bill and heat pump calculator, Rockwall County, TX

Compare Rockwall County, TX with its neighbours

Cities in Rockwall County, TX

ZIP codes in Rockwall County, TX

Texas: home prices since 2001, planned plants.

Questions on Rockwall County, TX

Rockwall County, TX: what do homes pay for electricity?

No single price in Rockwall County, TX: 2 utilities deliver power and homes pick a plan. Texas average 14.94 cents per kWh, $164 a month at 1,096 kWh.

Rockwall County, TX: how many homes heat with electricity?

Rockwall County, TX: 21,230 of 39,513 occupied homes, 53.7%, rank 176 of 254.

Rockwall County, TX: median household income?

$124,917 in Rockwall County, TX, rank 1 of 253; 116,931 residents, 39,513 households.

Rockwall County, TX: outage-linked storms since 2015?

Rockwall County, TX: 67 NWS events, peak year 2023.

Rockwall County, TX: flood insurance claims since 2015?

Rockwall County, TX: 31 NFIP flood claims, $1.3M paid, 0.9 per 1,000 homes, 0.5% of homes insured.

How old are the homes in Rockwall County, TX?

Rockwall County, TX: median home built 2005; 7.5% predate 1980, 85.5% detached, 8.0% in 5+ unit buildings.

Rockwall County, TX: share of income for energy?

Rockwall County, TX homes spend $2,351 a year on electricity, $2,984 on all energy: 2.0% of $148,665; 11.4% for lower incomes.

Primary sources for Rockwall County, TX

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Rockwall County, TX ranks 1st of 254 Texas counties for the newest homes (median year built 2005).