Friendswood, Texas electricity: TNMP wires, 1 split ZIP code to check
Friendswood sits on TNMP's wires, with a few split ZIP codes. Below: ZIP by ZIP, who can shop, and what plans cost this month.
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: Friendswood homes in ERCOT's competitive data are on TNMP's wires (11,084) and CenterPoint's wires (9,344). 1 of Friendswood's ZIP codes is split, so most addresses can shop, but yours needs a check.
Who delivers electricity in Friendswood?
Outages: TNMP at tnmp.com.
TNMP delivery charges and area · CenterPoint delivery charges and area
Can every address in Friendswood choose an electricity provider?
20,427 of 20,427 Friendswood-addressed competitive homes (100%) are in split ZIP codes (77546), where a neighbor may have a different utility.
2 more utilities (co-op, city-owned or non-ERCOT; EIA 2024) also serve parts of Galveston County · Harris County; no retail choice there unless the utility opted in.
Moving to Friendswood
Local numbers for setting up a home in Friendswood, each checked on the official source. More contacts, and a printable list, are on Friendswood helpful move-in information.
- Water and utility billing: utility billing (start, transfer or stop water service), 281-996-3232.
- Natural gas: CenterPoint Energy: gas customer service (Houston area), 713-659-2111.
- Public schools: Friendswood ISD, Clear Creek ISD.
- Driver license: Texas DPS Driver License Office: League City, 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 Friendswood 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.
Weather and electricity in Friendswood
Typical weather near Friendswood, from the nearest NOAA station with a complete 1991-2020 record: Houston Clover Field, about 3 miles from the city center (station elevation 44 ft). These are normals for that station, not readings at your address. August is the warmest month on average, with a normal daily high of 94°F; January has the coolest average low, 46°F. Average daily highs reach 90°F or more in June to August. No month averages a daily low at or below freezing.
For electricity, the normals point to two seasons that can lift a household's usage: cooling-degree days (a measure of how far each day's mean temperature sits above 65°F) peak in August at 623 for the month, and heating-degree days (below 65°F) peak in January at 321. How much that matters to a bill depends on the home, its insulation, its heating fuel and the household, so use your own usage history, not a regional average, when you compare plans.
| Month | Avg high °F | Avg low °F | Precipitation (in) | Cooling degree-days | Heating degree-days |
|---|---|---|---|---|---|
| Jan | 65 | 46 | 3.6 | 21 | 321 |
| Feb | 68 | 50 | 2.9 | 39 | 201 |
| Mar | 74 | 55 | 2.8 | 94 | 103 |
| Apr | 80 | 62 | 3.7 | 189 | 24 |
| May | 86 | 70 | 5.1 | 396 | 1 |
| Jun | 91 | 75 | 5.2 | 550 | 0 |
| Jul | 93 | 76 | 4.2 | 612 | 0 |
| Aug | 94 | 76 | 5.6 | 623 | 0 |
| Sep | 90 | 72 | 5.4 | 483 | 0 |
| Oct | 83 | 63 | 5.8 | 268 | 17 |
| Nov | 73 | 54 | 4.2 | 83 | 127 |
| Dec | 66 | 48 | 4.7 | 35 | 279 |
Historical weather records for Galveston and Harris counties
Friendswood lies in Galveston and Harris counties. The Texas Railroad Commission's county table lists, for each county:
- Galveston County: a record low of 7°F (1899) and a record high of 106°F (2000), and a regional estimate of 18 consecutive hours as a typical longest freezing or frozen-precipitation period.
- Harris County: a record low of 5°F (1940) and a record high of 111°F (2000), and a regional estimate of 18 consecutive hours as a typical longest freezing or frozen-precipitation period.
These are historical county extremes, not Friendswood's monthly averages and not a forecast; the normals above describe ordinary months.
Reference only: the U.S. Energy Information Administration's 2020 Residential Energy Consumption Survey puts the average Texas household at about 13,440 kWh a year (about 1,120 kWh a month if spread evenly). That is a statewide average for 2020, not Friendswood, and not an estimate for your home. EIA source.
Sources: NOAA NCEI U.S. Climate Normals 1991-2020, station USW00012975; Texas Railroad Commission, Historical Weather Data by County (2022).
What is different about electricity in Friendswood?
- The Census Bureau's July 1, 2025 estimate for Friendswood is 41,319 people, up 0.6% on the 2020 estimates base of 41,061. The largest one-year change was +234 people, from July 2023 to July 2024. (Census)
- The Friendswood mailing area is bigger than the city: ERCOT lists 20,428 competitive homes under the Friendswood postal city, 1.37 for each of the city's 14,948 Census households. (ERCOT, Census)
- Friendswood-addressed homes make up 8.4% of the 242,585 residential meters on TNMP's competitive system. (ERCOT)
- 180 of the 20,703 home meters in Friendswood's main ZIP codes (0.9%) were de-energized on October 5, 2026, typically a vacant unit awaiting its next account. (ERCOT)
- Nearly all Friendswood-addressed competitive homes (20,427) are in one ZIP code, 77546, which it shares with Webster (92 homes). ZIP-wide, ERCOT counts 20,523 competitive meters for 19,508 Census households, a 1.05 ratio. (ERCOT, Census)
- In 77546, the ZIP holding most Friendswood homes, the ACS 2020-2024 survey finds a median household income of $123,756, 24.0% renters and 42.4% of households with $250+ monthly electric bills. (Census)
- Nearby, League City (6 mi) has 0.94 competitive homes per household, while Pearland counts 54,288 on its postal city. (ERCOT, Census)
Friendswood electricity by the numbers
| Measure | Value |
|---|---|
| Population (July 1, 2025 estimate) | 41,319 |
| Population (2020 estimates base) | 41,061 |
| Occupied households (ACS 2020-2024) | 14,948 |
| Active residential meters with a Friendswood address | 20,428 |
| Active business meters with a Friendswood address | 2,467 |
| Residential meters per Census household | 1.37 |
| Delivery utilities (homes) | TNMP 11,084; CenterPoint 9,344 |
| Counties | Galveston, Harris |
| ZIP codes touching Friendswood | 1 |
| Split ZIP codes (flagged below) | 1 |
How we built these numbers. Download: Friendswood ZIP table (CSV).
What do electricity plans cost in Friendswood right now?
Same-day medians for TNMP’s area (TNMP: 166; CenterPoint: 173 listings), delivery included; not a quote.
Friendswood 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 | Friendswood homes | Land in Friendswood | Postal cities | Competitive homes (ERCOT) | Households (Census) | Ratio | What it means |
|---|---|---|---|---|---|---|---|
| 77546 | 20,427 | 74% | Friendswood 100% | 20,523 | 19,508 | 1.05 | Split. Near-full coverage. Two delivery utilities: TNMP 11,087, CenterPoint 9,436 homes. |
Split ZIP codes for Friendswood: 77546.
Homes, renters and electric bills in Friendswood’s ZIP codes
$250+ monthly electric bills peak in 77546 (42.4% of households).
| ZIP | Friendswood homes | Median income | Renters | 5+ units | $250+ bills | Built 2020+ | New meters | Vacant to active |
|---|---|---|---|---|---|---|---|---|
| 77546 | 20,427 | $123,756 | 24.0% | 8.2% | 42.4% | 1.4% | 0 | 9 |
ACS 2020-2024 by ZCTA; meters: ERCOT daily files, Oct 7-18, 2026.
How do towns near Friendswood compare?
| Town (2,000+ people) | Miles | Competitive homes | Per household | Utility | Status |
|---|---|---|---|---|---|
| Webster | 5 mi | 12,856 | 2.15 | CenterPoint | Most addresses can choose |
| League City | 6 mi | 40,501 | 0.94 | TNMP | Most addresses can choose |
| Alvin | 6 mi | 21,962 | 2.10 | TNMP | Most addresses can choose |
| Nassau Bay | 7 mi | 0 | n/a | CenterPoint | Most addresses can choose |
| Pearland | 8 mi | 54,288 | 1.22 | CenterPoint | Most addresses can choose |
| Dickinson | 10 mi | 16,662 | 2.16 | TNMP | Most addresses can choose |
Business electricity in Friendswood
Friendswood business meters: 2,467 (8.3 homes per business meter); large non-residential meters in Friendswood’s main ZIP codes: 4 (ERCOT, October 5, 2026).
We compare retail providers and direct suppliers and can bid out high-consumption accounts, but we can’t promise savings or how many suppliers will bid. Businesses in Texas retail-choice areas can request a rate review online.
How do I compare electricity plans in Friendswood?
ZIP first, then your address; read each plan’s Electricity Facts Label before choosing.
Common questions about electricity in Friendswood
Is Friendswood deregulated for electricity?
Most Friendswood homes can. ERCOT's October 5, 2026 extract has 20,428 Friendswood-addressed homes on TNMP's competitive system, compared with 14,948 households in the Census survey. Split ZIP codes for Friendswood: 77546; on those, check the exact address.
What is the biggest Friendswood ZIP code for electricity customers?
ZIP 77546: 20,427 of its 20,523 competitive residential meters use a Friendswood address, and the ZIP has about 19,508 Census households (ratio 1.05).
How many businesses in Friendswood are on the competitive electricity market?
Yes, where TNMP delivers: 2,467 Friendswood-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 Friendswood. How do I set up electricity?
Confirm the address is on TNMP's wires, then pick a plan and a start date. In 77546, 9.6% of residents moved in the past year (ACS); 9 77546 meters went vacant-to-active Oct. 7-18, 2026.
Why are there more electric meters than households in Friendswood?
20,428 Friendswood-addressed meters against 14,948 city households is 1.37 per household: the Friendswood 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.
Where do I report a Friendswood power outage?
The delivery utility for your street. ERCOT puts Friendswood homes on TNMP (11,084 homes) and CenterPoint (9,344 homes) wires; your retail provider does not run the lines.
Where to next?
Up: TNMP area · CenterPoint area · Galveston County · Harris County
Nearest town pages: League City · Alvin · Pearland · Dickinson · Manvel · Pasadena · South Houston · Deer Park
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)
- Texas-New Mexico Power (TNMP)
- CenterPoint Energy Houston Electric
- TNMP delivery tariff (effective September 13, 2026)
- CenterPoint delivery tariff (effective October 1, 2026)
BJW Ventures LLC d/b/a Power Hopper | PUCT BR260201. PUCT registration is not an endorsement.