# Alvin, Texas electricity: TNMP wires, 1 split ZIP code to check

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

**In short:** Alvin homes in ERCOT's competitive data are on TNMP's wires (15,752) and CenterPoint's wires (6,210). 1 of Alvin's ZIP codes is split, so most addresses can shop, but yours needs a check.

## Moving to Alvin

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

- **Water and utility billing:** utility billing (start, transfer or stop water service), 281-388-4264.
- **Natural gas:** CenterPoint Energy: gas customer service (Houston area), 713-659-2111.
- **Public schools:** Alvin ISD, Angleton ISD.
- **Driver license:** Texas DPS Driver License Office: League City, 512-424-2600.

## Who delivers electricity in Alvin?
Alvin homes in ERCOT's competitive data are on TNMP's wires (15,752) and CenterPoint's wires (6,210).

## Can every address in Alvin choose?
21,962 of 21,962 Alvin-addressed competitive homes (100%) are in split ZIP codes (77511), where a neighbor may have a different utility.

## What is different about Alvin?
- Population: 26,957 (2020 base) to 30,115 (July 2025), +11.7%, per Census Vintage 2025 estimates. The largest one-year change was +985 people, from July 2023 to July 2024. (Source: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv)
- The Alvin mailing area is bigger than the city: ERCOT lists 21,962 competitive homes under the Alvin postal city, 2.1 for each of the city's 10,456 Census 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/)
- Alvin-addressed homes make up 9.1% of the 242,585 residential meters on TNMP's competitive system. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- Alvin is still adding homes: 10 new residential meters in its main ZIP codes during Oct. 7-18, 2026 (most in 77511: 10), plus 42 vacant-to-active switches. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- Alvin's main ZIP codes: 21,973 active and 1,337 de-energized residential meters (5.7% de-energized, usually empty or between tenants). (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- Nearly all Alvin-addressed competitive homes (21,962) are in one ZIP code, 77511. ZIP-wide, ERCOT counts 21,973 competitive meters for 17,866 Census households, a 1.23 ratio. (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/)
- By competitive homes on its postal city, Alvin is number 2 of the 17 cities and towns touching Brazoria County, just behind Pearland (54,288). (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- In 77511, the ZIP holding most Alvin homes, the ACS 2020-2024 survey finds a median household income of $74,939, 28.7% renters and 37.4% of households with $250+ monthly electric bills. (Source: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/)
- Alvin's land splits across 2 main ZIP codes, led by 77511 (67%) and 77583 (29%), per the Census 2020 ZCTA-to-place relationship file. (Source: https://www2.census.gov/geo/docs/maps-data/data/rel2020/zcta520/)
- Of Alvin's six nearest towns, League City has the most competitive homes (40,501, 8 mi away) and League City the fewest per household (0.94). (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/)

## By the numbers
- Population (July 1, 2025 estimate): 30,115
- Population (2020 estimates base): 26,957
- Occupied households (ACS 2020-2024): 10,456
- Active residential meters with an Alvin address: 21,962
- Active business meters with an Alvin address: 3,390
- Residential meters per Census household: 2.1
- Delivery utilities (homes): TNMP 15,752; CenterPoint 6,210
- Counties: Brazoria
- ZIP codes touching Alvin: 2
- Split ZIP codes (flagged below): 1

## Plan prices (median ¢/kWh at 500 / 1,000 / 2,000 kWh)
- TNMP: 16.1 / 15.1 / 14.7; delivery 7.771¢/kWh + $7.56/mo
- CenterPoint: 14 / 13.2 / 13; delivery 6.5333¢/kWh + $4.90/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 |
|---|---|---|---|---|---|---|
| 77583 | Rosharon 100% | 4% | 23,272 | 14,976 | 1.55 | Near-full coverage. 168 new residential meters Oct 7-18, 2026. Mostly outside Alvin city limits. |
| 77511 | Alvin 100% | 11% | 21,973 | 17,866 | 1.23 | Split. Near-full coverage. Two delivery utilities: TNMP 15,762, CenterPoint 6,211 homes. 10 new residential meters Oct 7-18, 2026. |

## Business electricity in Alvin
3,390 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
**Can I choose my electricity provider in Alvin?** Yes, where TNMP or CenterPoint's wires reach the house, which in Alvin is most of the city: 21,962 homes with an Alvin mailing address were on the competitive market on October 5, 2026, 2.1 for each Census household. Split ZIP codes for Alvin: 77511; on those, check the exact address.
**What is the biggest Alvin ZIP code for electricity customers?** ZIP 77511: 21,962 of its 21,973 competitive residential meters use an Alvin address, and the ZIP has about 17,866 Census households (ratio 1.23).
**Can businesses in Alvin choose an electricity provider?** Yes, where TNMP delivers: 3,390 Alvin-addressed business meters are on the competitive market in ERCOT's data, and large accounts can also buy from commercial suppliers directly.
**I'm moving to Alvin. How do I set up electricity?** Start with the address check: TNMP-delivered Alvin homes choose among the plans offered there and set a start date. Turnover is real in 77511, where 8.4% moved in the past year (ACS); ERCOT logged 42 vacant-to-active meters in 77511 Oct. 7-18, 2026.
**Why does my Alvin home have a Rosharon address?** Because ZIP 77583 is mostly addressed to Rosharon: 100% of its 23,272 competitive residential meters use that postal city, and almost none use Alvin. Mailing city isn't city limits; the service address decides the utility.
**Why are there more electric meters than households in Alvin?** 21,962 Alvin-addressed meters against 10,456 city households is 2.1 per household: the Alvin postal area extends past city limits, and new homes get meters before the Census counts them. It doesn't mean every nearby address can choose.

## 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/
- Texas-New Mexico Power (TNMP): https://tnmp.com/
- CenterPoint Energy Houston Electric: https://www.centerpointenergy.com/
- TNMP delivery tariff (effective September 13, 2026): https://tnmp.com/sites/default/files/inline-images/TNMP%20Retail%20Tariff%20%2858964%29.pdf
- CenterPoint delivery tariff (effective October 1, 2026): https://ftp.puc.texas.gov/public/puct-info/industry/electric/rates/tdr/tdu/CenterPoint_Rate_Report.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
- 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
- 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 ACS 2020-2024 5-year, table B25003: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/
- Census 2020 ZCTA-to-place relationship file: https://www2.census.gov/geo/docs/maps-data/data/rel2020/zcta520/
- 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/

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