EV Charger Installation in Flower Mound, TX: Permit, Utility & Panel Guide
What it takes to add a home charger in Flower Mound: who issues the permit, what your utility offers, which code edition applies, and what the age of Flower Mound's homes says about panel size. Each local fact links to the page it came from.
How much does EV charger installation cost in Flower Mound, TX?
$500 to $1,500 when the panel has room for one more 240V circuit. A full service upgrade, when the service is too small, typically adds $2,000 to $4,500.
It depends on the house. Flower Mound's homes are a mix (median year built 1997; 5% before 1980, 39% since 2000), so there is no safe assumption either way. Read the main breaker size, then run a load calculation. Run the load calculation for $49.99 before you pay for the bigger job.
NEC References:
- NEC Article 220
- NEC 625.40
- NEC 625.41
Last updated: October 10, 2026
Flower Mound: the local facts
- Electric utility
- Most of Flower Mound is in Oncor's delivery area with retail choice; some addresses are served by CoServ, a member-owned co-op. Your bill tells you which.source
- Permit
- The Town requires an electrical permit before work begins, filed through eTRAKiT.source
- Electrical code
- The Town enforces the 2023 NEC for homes and businesses.source
- Who can do the work
- Texas (TDLR) requires a licensed electrician working for a licensed electrical contractor to add a new circuit. The homeowner exemption is narrow and does not cover running a 240V charger circuit.source
- Home-charging programs
CoServ Summer Savings rate (CoServ members only): May to October: 7.87 cents per kWh off-peak and 20.23 cents from 3pm to 8pm (October 2026 rates). Overnight charging lands in the off-peak window. CoServ lists no charger rebate.source
Programs open and close. Confirm on the program page before you count on one.
How old the homes are
- Median year built
- 1997
- Built before 1980
- 5%
- Built 2000 or later
- 39%
It is a mixed housing stock, so there is no safe assumption: an older home may have a 100A service and a newer one usually has 150A to 200A. The label on the main breaker settles it.
Flower Mound, TX, all 28,789 housing units; 82% owner-occupied. Source: U.S. Census Bureau, ACS 2024 5-year estimates (tables B25034, B25035, B25003).
Local facts checked October 10, 2026.
What the job costs, by what your panel needs
The charger circuit is the same job everywhere. What changes the price is whether your panel and service can carry it. These are the four outcomes, from the most common to the least:
| If the load calculation shows | The job | Typical cost |
|---|---|---|
| Room on the panel and the service | Circuit addition | $500–$1,500 |
| Service has room, panel has no spaces | Sub-panel | $800–$2,000 |
| Panel is worn out or unsafe, service is fine | Panel replacement | $1,500–$4,000 |
| Service is too small for the added load | Full service upgrade | typically $2,000 to $4,500 |
Which row you land in is a load calculation, not a guess from the house's age. NEC Article 220 adds up what the home can draw, including the new charger circuit, and the total is compared with the service rating. NEC 625.40 requires the charger to have its own branch circuit, and 625.41 sizes its breaker at 125% of the charger's maximum load, which is why a 48A charger lands on a 60A breaker.
Can your panel handle an EV charger?
Find out in minutes with a professional NEC Article 220 load calculation. J.D. Power found only 28% of EV owners needed one — even though 65% were told they did (ESFI). Skip the $300 electrician visit.
Do I need a permit for an EV charger in Flower Mound, TX?
The Town requires an electrical permit before work begins, filed through eTRAKiT.
Source: Checked October 10, 2026
Jason Walls
Electrician · EVITP Certified · KY Electrical License EE642643
NEC Article 220 Specialist · ChargeRight Founder
"I built ChargeRight because I was tired of seeing homeowners pay $2,000 to $4,500 for panel upgrades that a $49.99 load calculation would have shown they didn't need. The math doesn't lie. Every homeowner deserves to see it before they write a check."
Frequently asked questions
How much does EV charger installation cost in Flower Mound, TX?
It depends on what the panel needs. A circuit addition ($500–$1,500) covers a home whose panel has room. If it does not: a sub-panel ($800–$2,000), a panel replacement ($1,500–$4,000), or a full service upgrade (typically $2,000 to $4,500). A $49.99 ChargeRight assessment runs the NEC Article 220 load calculation that tells you which one your home needs.
Will my Flower Mound home need a panel upgrade for an EV charger?
It depends on the house. Flower Mound's homes are a mix (median year built 1997; 5% before 1980, 39% since 2000), so there is no safe assumption either way. Read the main breaker size, then run a load calculation.
Do I need a permit for an EV charger in Flower Mound, TX?
The Town requires an electrical permit before work begins, filed through eTRAKiT.
Are there EV charger rebates in Flower Mound, TX?
CoServ Summer Savings rate (CoServ members only): May to October: 7.87 cents per kWh off-peak and 20.23 cents from 3pm to 8pm (October 2026 rates). Overnight charging lands in the off-peak window. CoServ lists no charger rebate. Programs open and close, so confirm on the program page before you count on one.
Who can install an EV charger in Flower Mound, TX?
Texas (TDLR) requires a licensed electrician working for a licensed electrical contractor to add a new circuit. The homeowner exemption is narrow and does not cover running a 240V charger circuit.