# Lamesa, Texas electricity: Oncor wires and 3,675 competitive homes

_Updated October 19, 2026. Data: ERCOT Oct 5, 2026; Power to Choose Oct 19, 2026, 7:59 AM CT._

**In short:** ERCOT counts 3,675 active residential meters with a Lamesa address, all on Oncor's wires (October 5, 2026). Nearly every Lamesa address in our data is on Oncor's wires and can pick a retail provider.

## Moving to Lamesa

Local numbers for setting up a home in Lamesa, each checked on the official source. More contacts: https://powerhopper.energy/texas-electricity/lamesa/move-in-information

- **City hall (ask about water service):** City of Lamesa: City Hall (main line), 806-872-2124.
- **Natural gas:** Atmos Energy: customer service, 888-286-6700.
- **Public schools:** Lamesa ISD.
- **Driver license:** Texas DPS Driver License Office: Lamesa, 512-424-2600.

## Who delivers electricity in Lamesa?
ERCOT counts 3,675 active residential meters with a Lamesa address, all on Oncor's wires (October 5, 2026).

## Can every address in Lamesa choose?
No split flag on any ZIP code that holds Lamesa's 3,675 competitive homes; most streets here can shop.

## What is different about Lamesa?
- Lamesa counted about 8,103 residents in the Census Bureau's 2025 estimate, against 8,699 in the 2020 base, a change of -6.9%. The largest one-year change was -193 people, from July 2021 to July 2022. July 1 estimates in between: 8,611 (2021), 8,418 (2022), 8,263 (2023), 8,170 (2024). (Source: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv)
- Lamesa covers 5.1 square miles of land (Census 2025 Gazetteer). That works out to about 1,584 residents and 666 occupied households per square mile of land, with roughly 2.4 residents for every Lamesa household. (Source: https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html, https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv, https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/)
- Oncor share: 0.1% of its 3,564,530 competitive residential meters carry a Lamesa address. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- Move-ins show up as vacant-to-active switches in ERCOT's daily files: 14 of them in the ZIP codes most Lamesa homes use, Oct. 7-18, 2026. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- Vacancy signal: 17.5 percent of residential meters in Lamesa's core ZIP codes were de-energized on October 5, 2026 (778 off, 3,675 on), per ERCOT. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- One ZIP code, 79331, holds almost every Lamesa-addressed competitive home (3,675). Taken whole, 79331 has 0.95 competitive meters per Census household: 3,675 meters, 3,888 households. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203, https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/)
- Lamesa is 1 of 3 on a Dawson County list of cities and towns ranked by postal-city competitive homes; second place is O'Donnell, at 391. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- By the Census Bureau's 2025 estimates, Lamesa is the number 1 city or town by population among the 4 that reach into Dawson County, one place ahead of O'Donnell (741 residents). (Source: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv)
- Electric bills over $250 a month: 26.8 percent of households in 79331, Lamesa's main ZIP code, per the ACS 2020-2024; the same survey puts median household income there at $54,000 and the renter share at 29.7 percent. (Source: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/)

## By the numbers
- Population (July 1, 2025 estimate): 8,103
- Population (2020 estimates base): 8,699
- Occupied households (ACS 2020-2024): 3,409
- Active residential meters with a Lamesa address: 3,675
- Active business meters with a Lamesa address: 1,246
- Residential meters per Census household: 1.08
- Delivery utilities (homes): Oncor 3,675
- Counties: Dawson
- ZIP codes touching Lamesa: 1
- Split ZIP codes (flagged below): 0

## Plan prices (median ¢/kWh at 500 / 1,000 / 2,000 kWh)
- Oncor: 14.1 / 13.4 / 13.2; delivery 6.8673¢/kWh + $4.06/mo

## ZIP codes
**Not every address in these ZIP codes has retail choice; check your exact address.**

| ZIP | Postal cities | Land in city | Competitive homes | Households | Ratio | Notes |
|---|---|---|---|---|---|---|
| 79331 | Lamesa 100% | 1% | 3,675 | 3,888 | 0.95 | Near-full coverage. Mostly outside Lamesa city limits. |

## Business electricity in Lamesa
1,246 active business meters. Power Hopper compares offers from retail electric providers and direct suppliers; for high-consumption businesses we can run a competitive bid. No savings or bidder count is promised. Businesses in Texas retail-choice areas can request a rate review online.

## Questions
**Is Lamesa deregulated for electricity?** Yes, where Oncor's wires reach the house, which in Lamesa is most of the city: 3,675 homes with a Lamesa mailing address were on the competitive market on October 5, 2026, 1.08 for each Census household. No Lamesa ZIP code carries a split flag, but only an address lookup is certain.
**Which Lamesa ZIP code has the most homes on the competitive market?** 79331. It holds 3,675 Lamesa-addressed competitive homes; counting every address in the ZIP, ERCOT has 3,675 meters for roughly 3,888 households, a 0.95 ratio.
**How much is electricity in Lamesa right now?** On October 19, 2026, the median fixed-rate Power to Choose listing on Oncor's wires was 13.4¢ per kWh at 1,000 kWh a month (170 listings); Oncor's delivery charge of 6.8673¢ per kWh plus $4.06 a month is included. A median is not a quote.
**How do I start electric service at a new Lamesa address?** Start with the address check: Oncor-delivered Lamesa homes choose among the plans offered there and set a start date. Turnover is real in 79331, where 23.0% moved in the past year (ACS); ERCOT logged 14 vacant-to-active meters in 79331 Oct. 7-18, 2026.
**How many households in Lamesa can shop for electricity?** ERCOT's October 5, 2026 extract lists 3,675 competitive residential meters with a Lamesa mailing address and 1,246 business meters; ACS 2020-2024: 3,409 occupied Lamesa households.
**Where do I report a Lamesa power outage?** Call Oncor (oncor.com/outages), the wires utility for Lamesa's 3,675 competitive homes; a retail provider can't fix lines.

## Sources
- ERCOT TDSP ESIID Extract (report 203): full extract as of Oct 5, 2026; daily files Oct 7-18, 2026: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203
- Census ACS 2020-2024 5-year estimates (B25003 households, B01003 population): https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/
- Census Vintage 2025 city and town population estimates: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv
- Census 2020 ZCTA-to-place and ZCTA-to-county relationship files: https://www2.census.gov/geo/docs/maps-data/data/rel2020/zcta520/
- EIA-861 (2024) utility service territories by county: https://www.eia.gov/electricity/data/eia861/
- PUCT Power to Choose residential offer export, Oct 19, 2026, 7:59 AM CT: https://www.powertochoose.org/en-us/Plan/ExportToCsv
- PUCT: Choosing an Electric Plan: https://www.puc.texas.gov/consumer-help/electricity/electric-plan/
- PUCT broker directory (BR260201): https://www.puc.texas.gov/industry/electric/directories/brk/alpha_brk/
- Oncor Electric Delivery: https://www.oncor.com/
- Oncor delivery tariff (effective October 4, 2026): https://interchange.puc.texas.gov/Documents/59249_105_1676040.PDF
- Census Bureau Vintage 2025 city and town population estimates: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv
- Census Bureau 2025 Gazetteer Files, Texas places (land and water area): https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html
- Census Bureau Vintage 2025 city and town population estimates: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv
- Census ACS 2020-2024 5-year, table B25003: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/
- ERCOT TDSP ESIID Extract (report 203), Oct 5, 2026: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203
- ERCOT daily TDSP ESIID Extract files, Oct 7-18, 2026, via Power Hopper's Oct 18 ZIP study: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203
- ERCOT TDSP ESIID Extract (report 203), Oct 5, 2026: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203
- ERCOT TDSP ESIID Extract (report 203), Oct 5, 2026: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203
- Census ACS 2020-2024 5-year, table B25003: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/
- ERCOT TDSP ESIID Extract (report 203), Oct 5, 2026: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203
- Census Bureau Vintage 2025 city and town population estimates: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv
- Census ACS 2020-2024 5-year, table B25003: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/

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