# Seabrook, Texas electricity: CenterPoint wires and 9,699 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 9,699 active residential meters with a Seabrook address, all on CenterPoint's wires (October 5, 2026). Nearly every Seabrook address in our data is on CenterPoint's wires and can pick a retail provider.

## Moving to Seabrook

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

- **Water and utility billing:** utility billing (start, transfer or stop water service), 281-291-5675.
- **Trash pickup:** WM (Waste Management): trash and recycling, 800-800-5804.
- **Natural gas:** CenterPoint Energy: gas customer service (Houston area), 713-659-2111.
- **Public schools:** Barbers Hill ISD, Clear Creek ISD.
- **Driver license:** Texas DPS Driver License Office: League City, 512-424-2600.

## Who delivers electricity in Seabrook?
ERCOT counts 9,699 active residential meters with a Seabrook address, all on CenterPoint's wires (October 5, 2026).

## Can every address in Seabrook choose?
No split flag on any ZIP code that holds Seabrook's 9,699 competitive homes; most streets here can shop.

## What is different about Seabrook?
- Seabrook counted about 13,974 residents in the Census Bureau's 2025 estimate, against 13,627 in the 2020 base, a change of +2.5%. The largest one-year change was +207 people, from July 2021 to July 2022. July 1 estimates in between: 13,576 (2021), 13,783 (2022), 13,826 (2023), 13,928 (2024). (Source: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv)
- Seabrook covers 4.9 square miles of land and 15.9 square miles of water (Census 2025 Gazetteer). That works out to about 2,848 residents and 1,219 occupied households per square mile of land, with roughly 2.3 residents for every Seabrook 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/)
- Mailing addresses stretch past city limits here. 9,699 competitive residential meters use Seabrook as their postal city, while the city itself has 5,981 Census households, a ratio of 1.62. (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/)
- CenterPoint share: 0.4% of its 2,585,110 competitive residential meters carry a Seabrook address. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- On October 5, 2026, ERCOT showed 105 home meters switched off (de-energized) in the ZIP codes most Seabrook homes use, against 10,964 switched on; that 0.9 percent is mostly vacant houses and apartments between occupants. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- One ZIP code, 77586, holds almost every Seabrook-addressed competitive home (9,699); it also carries 1,265 El Lago addresses. Taken whole, 77586 has 1.10 competitive meters per Census household: 10,964 meters, 9,948 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/)
- Among the 22 cities and towns that reach into Harris County, Seabrook places 15 for competitive homes on its postal city; the next one up is Deer Park, at 12,045. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- By the Census Bureau's 2025 estimates, Seabrook is the number 17 city or town by population among the 34 that reach into Harris County, one place ahead of Webster (12,507 residents). (Source: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv)
- Mailing cities on the 10,964 competitive home meters in 77586, Seabrook's main ZIP code: Seabrook 9,699, El Lago 1,265. A mailing city is not a city limit, so the service address, not the postal name, settles which utility serves a home. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- Apartments matter most in 77586: the ACS 2020-2024 puts 21.0 percent of its homes in buildings of five or more units, more than any other Seabrook core ZIP. Tenants there usually open their own electricity account. (Source: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/)
- Electric bills over $250 a month: 31.1 percent of households in 77586, Seabrook's main ZIP code, per the ACS 2020-2024; the same survey puts median household income there at $114,057 and the renter share at 25.7 percent. (Source: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/)
- La Porte, 6 miles from Seabrook, has the most competitive homes nearby (16,000); El Lago has the fewest per household, still 1.02. (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): 13,974
- Population (2020 estimates base): 13,627
- Occupied households (ACS 2020-2024): 5,981
- Active residential meters with a Seabrook address: 9,699
- Active business meters with a Seabrook address: 1,000
- Residential meters per Census household: 1.62
- Delivery utilities (homes): CenterPoint 9,699
- Counties: Harris, Chambers, Galveston
- ZIP codes touching Seabrook: 1
- Split ZIP codes (flagged below): 0

## Plan prices (median ¢/kWh at 500 / 1,000 / 2,000 kWh)
- 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 |
|---|---|---|---|---|---|---|
| 77586 | Seabrook 88%, El Lago 12% | 46% | 10,964 | 9,948 | 1.1 | Near-full coverage.  |

## Business electricity in Seabrook
1,000 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 Seabrook residents pick their own electric company?** Most Seabrook homes can. ERCOT's October 5, 2026 extract has 9,699 Seabrook-addressed homes on CenterPoint's competitive system, compared with 5,981 households in the Census survey. No Seabrook ZIP code carries a split flag, but only an address lookup is certain.
**Where do most Seabrook electricity customers live?** 77586. It holds 9,699 Seabrook-addressed competitive homes; counting every address in the ZIP, ERCOT has 10,964 meters for roughly 9,948 households, a 1.10 ratio.
**What do Seabrook electricity plans cost per kWh?** On October 19, 2026, the median fixed-rate Power to Choose listing on CenterPoint's wires was 13.2¢ per kWh at 1,000 kWh a month (173 listings); CenterPoint's delivery charge of 6.5333¢ per kWh plus $4.90 a month is included. A median is not a quote.
**I'm moving to Seabrook. How do I set up electricity?** Confirm the address is on CenterPoint's wires, then pick a plan and a start date. In 77586, 13.5% of residents moved in the past year (ACS); 4 meters in 77586 went vacant-to-active Oct. 7-18, 2026.
**Why are there more electric meters than households in Seabrook?** 9,699 Seabrook-addressed meters against 5,981 city households is 1.62 per household: the Seabrook 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.
**Who do I call in Seabrook when the power goes out?** Call CenterPoint (centerpointenergy.com/outage), the wires utility for Seabrook's 9,699 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/
- CenterPoint Energy Houston Electric: https://www.centerpointenergy.com/
- 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
- 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
- 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 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
- 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 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/

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