# Dickinson, 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:** Dickinson homes in ERCOT's competitive data are on TNMP's wires (11,579) and CenterPoint's wires (5,083). 1 of Dickinson's ZIP codes is split, so most addresses can shop, but yours needs a check.

## Moving to Dickinson

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

- **Water and utility billing:** Dickinson water district (Galveston County WCID): customer service, 281-337-1576.
- **Natural gas:** CenterPoint Energy: gas customer service (Houston area), 713-659-2111.
- **Public schools:** Dickinson ISD, Santa Fe ISD.
- **Driver license:** Texas DPS Driver License Office: League City, 512-424-2600.

## Who delivers electricity in Dickinson?
Dickinson homes in ERCOT's competitive data are on TNMP's wires (11,579) and CenterPoint's wires (5,083).

## Can every address in Dickinson choose?
16,656 of 16,656 Dickinson-addressed competitive homes (100%) are in split ZIP codes (77539), where a neighbor may have a different utility.

## What is different about Dickinson?
- Population: 21,419 (2020 base) to 21,908 (July 2025), +2.3%, per Census Vintage 2025 estimates. The largest one-year change was +240 people, from July 2020 to July 2021. (Source: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/cities/totals/sub-est2025_48.csv)
- Mailing addresses stretch past city limits here. 16,662 competitive residential meters use Dickinson as their postal city, while the city itself has 7,722 Census households, a ratio of 2.16. (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/)
- Dickinson-addressed homes make up 6.9% of the 242,585 residential meters on TNMP's competitive system. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- ERCOT's daily files for Oct. 7-18, 2026 show 81 brand-new residential meters across Dickinson's main ZIP codes (81 of them in 77539) and 79 meters going from vacant to active. (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- Dickinson's main ZIP codes: 17,623 active and 1,309 de-energized residential meters (6.9% de-energized, usually empty or between tenants). (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- Nearly all Dickinson-addressed competitive homes (16,656) are in one ZIP code, 77539, which it shares with Texas City (917 homes) and League City (43 homes). ZIP-wide, ERCOT counts 17,623 competitive meters for 17,813 Census households, a 0.99 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/)
- Galveston County context: Dickinson ranks 5 of 11 touching cities and towns for postal-city competitive homes, just behind Friendswood (20,428). (Source: https://www.ercot.com/misapp/GetReports.do?reportTypeId=203)
- In 77539, the ZIP holding most Dickinson homes, the ACS 2020-2024 survey finds a median household income of $89,111, 24.3% renters and 36.9% of households with $250+ monthly electric bills. (Source: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/)
- Nearby, League City (4 mi) has 0.94 competitive homes per household, while League City counts 40,501 on its postal city. (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): 21,908
- Population (2020 estimates base): 21,419
- Occupied households (ACS 2020-2024): 7,722
- Active residential meters with a Dickinson address: 16,662
- Active business meters with a Dickinson address: 1,811
- Residential meters per Census household: 2.16
- Delivery utilities (homes): TNMP 11,579; CenterPoint 5,083
- Counties: Galveston
- ZIP codes touching Dickinson: 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 |
|---|---|---|---|---|---|---|
| 77539 | Dickinson 95%, Texas City 5% | 20% | 17,623 | 17,813 | 0.99 | Split. Near-full coverage. Two delivery utilities: TNMP 12,540, CenterPoint 5,083 homes. 81 new residential meters Oct 7-18, 2026. |
| 77517 | Santa Fe 100% | 1% | 2,699 | 1,899 | 1.42 | Near-full coverage. Mostly outside Dickinson city limits. |

## Business electricity in Dickinson
1,811 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 Dickinson?** Yes, where TNMP or CenterPoint's wires reach the house, which in Dickinson is most of the city: 16,662 homes with a Dickinson mailing address were on the competitive market on October 5, 2026, 2.16 for each Census household. Split ZIP codes for Dickinson: 77539; on those, check the exact address.
**What is the biggest Dickinson ZIP code for electricity customers?** 77539, with 17,623 competitive homes in ERCOT's data (16,656 addressed to Dickinson) against roughly 17,813 Census households, a 0.99 ratio.
**How many businesses in Dickinson are on the competitive electricity market?** Yes, where TNMP delivers: 1,811 Dickinson-addressed business meters are on the competitive market in ERCOT's data, and large accounts can also buy from commercial suppliers directly.
**How do I start electric service at a new Dickinson address?** Confirm the address is on TNMP's wires, then pick a plan and a start date. In 77539, 13.8% of residents moved in the past year (ACS); 79 77539 meters went vacant-to-active Oct. 7-18, 2026.
**Why are there more electric meters than households in Dickinson?** 16,662 Dickinson-addressed meters against 7,722 city households is 2.16 per household: the Dickinson 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 restores power in Dickinson after an outage?** The delivery utility for your street. ERCOT puts Dickinson homes on TNMP (11,579 homes) and CenterPoint (5,083 homes) wires; your retail provider does not run the 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/
- 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/
- 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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