Justin, Texas electricity: Oncor wires, 1 split ZIP code to check
Justin is Oncor territory with a few split ZIP codes; this page shows, ZIP by ZIP, who can shop and what plans cost.
Last updated . Written by Power Hopper. Reviewed by Brent Ward, founder, on 2026-10-19. Data as of October 5, 2026 (meters) and October 19, 2026 (plan prices).
In short: Every Justin-addressed home in ERCOT's competitive data is on Oncor's wires (3,859 active residential meters, October 5, 2026). Most Justin addresses can choose a retail provider, but 1 of the ZIP codes below is split, so check your exact address.
Who delivers electricity in Justin?
Outages: Oncor at oncor.com/outages.
Oncor delivery charges and area
Can every address in Justin choose an electricity provider?
Of the 3,858 Justin-addressed competitive homes we can place by ZIP code, 3,858 (100%) are in the split ZIP codes 76247; on those streets, a neighbor may be on a different utility. The ZIP table below marks each one.
EIA’s 2024 data lists 4 other utilities (co-ops, city-owned or outside ERCOT) in the county around Justin; they are named on Denton County. Their customers can’t choose unless the utility opted in.
Moving to Justin
Local numbers for setting up a home in Justin, each checked on the official source. More contacts, and a printable list, are on Justin helpful move-in information.
- Water and utility billing: utility billing (start, transfer or stop water service), 940-648-2541.
- Trash pickup: Waste Connections: trash and recycling, 817-222-2221.
- Natural gas: Atmos Energy: customer service, 888-286-6700.
- Public schools: Northwest ISD.
- Driver license: Texas DPS Driver License Office: Flower Mound, 512-424-2600.
You enter your address on the next screen, and we confirm there whether you can choose an electricity provider at that address.
Have a High Light Bill or Electric Bill?
If your electricity bill in Justin came in higher than you expected, upload or enter it and see whether another plan could lower your electricity costs, or whether staying where you are makes more sense.
What is different about electricity in Justin?
- EIA's 2024 data lists CoServ Electric (Denton County Electric Cooperative) in Denton County; CoServ traces its history to 1937 and describes itself as a member-owned co-op rather than part of the retail-provider market. Source: EIA-861 (2024); CoServ: About.
- Census estimates put Justin at 7,285 residents on July 1, 2025, up 65.6% from a 2020 estimates base of 4,399. Source: Census Bureau.
- ERCOT lists 3,859 competitive residential meters with a Justin mailing address, about 2.1 per Census household in the city (1,842), because the Justin postal area reaches beyond city limits. Source: ERCOT TDSP; Census ACS.
- Justin-addressed business meters number 612 in ERCOT's Oct. 5 extract, one for every 6.3 homes. Source: ERCOT TDSP.
- Among the 36 cities and towns that touch Denton County, Justin ranks 16 by competitive homes on its postal city in ERCOT's data, behind Dallas (535,270). Source: ERCOT TDSP.
Justin electricity by the numbers
| Measure | Value |
|---|---|
| Population (July 1, 2025 estimate) | 7,285 |
| Population (2020 estimates base) | 4,399 |
| Occupied households (ACS 2020-2024) | 1,842 |
| Active residential meters with a Justin address | 3,859 |
| Active business meters with a Justin address | 612 |
| Residential meters per Census household | 2.1 |
| Delivery utilities (homes) | Oncor 3,859 |
| Counties | Denton |
| ZIP codes touching Justin | 1 |
| Split ZIP codes (flagged below) | 1 |
How we built these numbers. Download: Justin ZIP table (CSV).
What do electricity plans cost in Justin right now?
Same-day medians for Oncor’s area (Oncor: 170 listings), delivery included; not a quote.
| Delivery utility | 500 kWh | 1,000 kWh | 2,000 kWh | Delivery charge |
|---|---|---|---|---|
| Oncor | 14.1¢ | 13.4¢ | 13.2¢ | 6.8673¢/kWh + $4.06/mo (effective October 4, 2026; tariff) |
Justin ZIP codes: how much of each is on the competitive market?
Not every address in these ZIP codes has retail choice; check your exact address.
| ZIP | Main postal cities (homes) | ZIP land inside Justin | Competitive homes (ERCOT) | Households (Census) | Ratio | What it means |
|---|---|---|---|---|---|---|
| 76247 | Justin 97%, Dish 2% | 4% | 3,957 | 7,012 | 0.56 | Split. Partial coverage. Mostly outside Justin city limits. |
Split ZIP codes for Justin: 76247.
Homes, renters and electric bills in Justin’s ZIP codes
Among Justin’s main ZIP codes, 76247 has the largest share of households paying $250 or more a month for electricity (35.2%); 76247 has the newest housing (29.6% built in 2020 or later).
| ZIP | Renter households | Moved in the past year | Electric bill $250+/month | Built 2020 or later | New meters Oct 7-18, 2026 |
|---|---|---|---|---|---|
| 76247 | 16.4% | 12.6% | 35.2% | 29.6% | 3 |
How do towns near Justin compare?
Within about 28 miles; whole-place estimates.
| Town | Population | Distance | Delivery utility | Status | Competitive homes (postal city) |
|---|---|---|---|---|---|
| Northlake | 12,036 | 3 mi | — | Few or none can choose | 13 |
| Ponder | 2,863 | 6 mi | Oncor | Most addresses can choose | 1,142 |
| Roanoke | 10,931 | 7 mi | Oncor | Most addresses can choose | 4,634 |
| Argyle | 6,372 | 8 mi | Oncor | Partly | 1,120 |
| Haslet | 5,267 | 9 mi | Oncor | Partly | 653 |
| Westlake | 2,057 | 9 mi | Oncor | Partly | 0 |
Business electricity in Justin
ERCOT lists 612 active business meters with a Justin address, about one for every 6.3 homes, and 4 meters in ERCOT’s large non-residential class across Justin’s main ZIP codes.
Power Hopper compares offers from retail electric providers and direct suppliers for businesses. For high-consumption businesses, we can run a competitive bid so more than one supplier prices the same usage. We can’t promise savings or how many suppliers will bid. In-person business electricity consultations are available in the AllianceTexas / North Fort Worth area.
How do I compare electricity plans in Justin?
ZIP first, then your address; read each plan’s Electricity Facts Label before choosing.
Common questions about electricity in Justin
Is Justin deregulated for electricity?
For most addresses, yes: 3,859 homes with a Justin mailing address are on the competitive market in ERCOT's October 5, 2026 data, against 1,842 Census households in the city. 1 of the ZIP codes touching Justin is split (76247), so check your exact address.
What is the biggest Justin ZIP code for electricity customers?
76247. ERCOT lists 3,957 competitive residential meters there, 3,858 with a Justin address, against about 7,012 Census households in the ZIP (ratio 0.56).
Can businesses in Justin choose an electricity provider?
Yes, on Oncor's wires. ERCOT lists 612 active business meters with a Justin address, one for every 6.3 homes. Larger accounts can also buy from suppliers that sell directly to commercial customers; Power Hopper can run a competitive bid for high-consumption businesses, though we can't promise savings or how many suppliers will bid.
Why are there more electric meters than households in Justin?
ERCOT counts 3,859 competitive residential meters with a Justin mailing address, about 2.1 for every Census household in the city (1,842). The Justin postal area is bigger than the city, and new homes get a meter before the Census survey counts them. It does not mean every Justin-area address can choose; check yours.
Who do I call in Justin when the power goes out?
Oncor, which delivers to all 3,859 Justin-addressed homes in ERCOT's competitive data, not your retail provider. oncor.com/outages. Co-op members call their co-op.
Where to next?
Up: Oncor area · Denton County
Nearest town pages: Northlake · Roanoke · Haslet · Trophy Club · Keller · Saginaw · North Richland Hills · Grapevine
Compare plans · Moving · High bill · Texas rates · Areas without retail choice · Methodology
Sources
- ERCOT TDSP ESIID Extract (report 203): full extract as of Oct 5, 2026; daily files Oct 7-18, 2026
- Census ACS 2020-2024 5-year estimates (B25003 households, B01003 population)
- Census Vintage 2025 city and town population estimates
- Census 2020 ZCTA-to-place and ZCTA-to-county relationship files
- EIA-861 (2024) utility service territories by county
- PUCT Power to Choose residential offer export, Oct 19, 2026, 7:59 AM CT
- PUCT: Choosing an Electric Plan
- PUCT broker directory (BR260201)
- Oncor Electric Delivery
- Oncor delivery tariff (effective October 4, 2026)
- CoServ: About (history: Denton County Electric Cooperative, founded 1937; 400,000+ combined electric and gas meters by Dec. 2020)
BJW Ventures LLC d/b/a Power Hopper | PUCT BR260201. PUCT registration is not an endorsement.