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| Utility | Lowest-cost plan for home + EV | Total a month | EV charging on that plan | Lowest-cost plan without a bill credit | EV adds a month |
|---|---|---|---|---|---|
| Oncor 127 plans ranked |
Sure Saver 12 Spark Energy · 12 mo · Bill credit |
$130.01 $1,560/yr |
−$9.66 without EV $1,676/yr |
True Value 12 True Power · 12 mo · #5 of 127 |
+$33.70 3.4¢/mi |
| CenterPoint 128 plans ranked |
SimpleSaver 12 AP Gas & Electric (TX) · 12 mo · Bill credit |
$133.85 $1,606/yr |
−$18.48 without EV $1,828/yr |
True Value 12 True Power · 12 mo · #5 of 128 |
+$33.30 3.3¢/mi |
| AEP Texas Central 121 plans ranked |
SimpleSaver 12 AP Gas & Electric (TX) · 12 mo · Bill credit |
$126.70 $1,520/yr |
−$19.64 without EV $1,756/yr |
True Value 12 True Power · 12 mo · #5 of 121 |
+$30.88 3.1¢/mi |
| AEP Texas North 123 plans ranked |
SimpleSaver 12 AP Gas & Electric (TX) · 12 mo · Bill credit |
$127.98 $1,536/yr |
−$19.35 without EV $1,768/yr |
True Value 12 True Power · 12 mo · #5 of 123 |
+$31.46 3.1¢/mi |
| TNMP 121 plans ranked |
Speedy 12 Express Energy · 12 mo |
$147.10 $1,765/yr |
+$31.22 without EV $1,391/yr |
Speedy 12 Express Energy · 12 mo · #1 of 121 |
+$31.22 3.1¢/mi |
| Lubbock Power & Light 82 plans ranked |
SimpleSaver 12 AP Gas & Electric (TX) · 12 mo · Bill credit |
$146.12 $1,753/yr |
−$14.55 without EV $1,928/yr |
True Value 12 True Power · 12 mo · #3 of 82 |
+$34.27 3.4¢/mi |
“EV charging” = the plan’s 12-month estimate with the EV minus the same plan without the EV. On bill-credit plans this can be zero or negative: the EV’s extra kWh push more months over the credit threshold, so the plan’s credit is paid in more months. That is the credit, not free charging — the same household might pay less on another plan without the EV. Plans without a bill credit or minimum-usage fee show the plain cost of the extra kWh.
miles × 0.2879 kWh per mile (EPA combined, at the wall).
| Plan | Free hours (as written in the plan’s label) | Est. a year with the EV | vs. best fixed plan |
|---|---|---|---|
| Bright Nights 8 Chariot Energy · 8 mo · Oncor |
Free: every night 11:00 pm – 6:00 am “Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗ |
$1,741 7 of 8 overnight hours free · 70% of EV kWh free |
$115 less a year than True Value 12 ($1,856/yr) |
| Bright Nights 12 Chariot Energy · 12 mo · Oncor |
Free: every night 11:00 pm – 6:00 am “Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗ |
$1,808 7 of 8 overnight hours free · 70% of EV kWh free |
$48 less a year than True Value 12 ($1,856/yr) |
| Bright Nights 8 Chariot Energy · 8 mo · CenterPoint |
Free: every night 11:00 pm – 6:00 am “Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗ |
$1,706 7 of 8 overnight hours free · 70% of EV kWh free |
$135 less a year than True Value 12 ($1,841/yr) |
| Bright Nights 12 Chariot Energy · 12 mo · CenterPoint |
Free: every night 11:00 pm – 6:00 am “Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗ |
$1,801 7 of 8 overnight hours free · 70% of EV kWh free |
$40 less a year than True Value 12 ($1,841/yr) |
| Bright Nights 24 Chariot Energy · 24 mo · CenterPoint |
Free: every night 11:00 pm – 6:00 am “Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗ |
$1,855 7 of 8 overnight hours free · 70% of EV kWh free |
$14 more a year than True Value 12 ($1,841/yr) |
| Bright Nights 36 Chariot Energy · 36 mo · CenterPoint |
Free: every night 11:00 pm – 6:00 am “Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗ |
$1,897 7 of 8 overnight hours free · 70% of EV kWh free |
$56 more a year than True Value 12 ($1,841/yr) |
| Free Weekends-24 Champion Energy Services · 24 mo · CenterPoint |
Free: Saturday and Sunday, all day “Weekend hours are all day Saturday and Sunday, from 12:01 am on Saturday morning to 11:59 pm Sunday night.” EFL ↗ |
$2,286 29% of EV kWh free (weekend share) |
$445 more a year than True Value 12 ($1,841/yr) |
| Bright Nights 8 Chariot Energy · 8 mo · AEP Texas Central |
Free: every night 11:00 pm – 6:00 am “Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗ |
$1,543 7 of 8 overnight hours free · 70% of EV kWh free |
$150 less a year than True Value 12 ($1,693/yr) |
| Bright Nights 12 Chariot Energy · 12 mo · AEP Texas Central |
Free: every night 11:00 pm – 6:00 am “Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗ |
$1,611 7 of 8 overnight hours free · 70% of EV kWh free |
$82 less a year than True Value 12 ($1,693/yr) |
| Bright Nights 24 Chariot Energy · 24 mo · AEP Texas Central |
Free: every night 11:00 pm – 6:00 am “Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗ |
$1,707 7 of 8 overnight hours free · 70% of EV kWh free |
$13 more a year than True Value 12 ($1,693/yr) |
| Bright Nights 36 Chariot Energy · 36 mo · AEP Texas Central |
Free: every night 11:00 pm – 6:00 am “Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗ |
$1,734 7 of 8 overnight hours free · 70% of EV kWh free |
$41 more a year than True Value 12 ($1,693/yr) |
| Free Weekends-24 Champion Energy Services · 24 mo · AEP Texas Central |
Free: Saturday and Sunday, all day “Weekend hours are all day Saturday and Sunday, from 12:01 am on Saturday morning to 11:59 pm Sunday night.” EFL ↗ |
$2,038 29% of EV kWh free (weekend share) |
$344 more a year than True Value 12 ($1,693/yr) |
| Bright Nights 8 Chariot Energy · 8 mo · AEP Texas North |
Free: every night 11:00 pm – 6:00 am “Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗ |
$1,555 7 of 8 overnight hours free · 70% of EV kWh free |
$170 less a year than True Value 12 ($1,724/yr) |
| Bright Nights 36 Chariot Energy · 36 mo · AEP Texas North |
Free: every night 11:00 pm – 6:00 am “Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗ |
$1,745 7 of 8 overnight hours free · 70% of EV kWh free |
$21 more a year than True Value 12 ($1,724/yr) |
| Bright Nights 8 Chariot Energy · 8 mo · TNMP |
Free: every night 11:00 pm – 6:00 am “Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗ |
$1,942 7 of 8 overnight hours free · 70% of EV kWh free |
$177 more a year than Speedy 12 ($1,765/yr) |
| Bright Nights 12 Chariot Energy · 12 mo · TNMP |
Free: every night 11:00 pm – 6:00 am “Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗ |
$2,024 7 of 8 overnight hours free · 70% of EV kWh free |
$258 more a year than Speedy 12 ($1,765/yr) |
| Free Weekends-24 Champion Energy Services · 24 mo · TNMP |
Free: Saturday and Sunday, all day “Weekend hours are all day Saturday and Sunday, from 12:01 am on Saturday morning to 11:59 pm Sunday night.” EFL ↗ |
$2,500 29% of EV kWh free (weekend share) |
$734 more a year than Speedy 12 ($1,765/yr) |
| Bright Nights 8 Chariot Energy · 8 mo · Lubbock Power & Light |
Free: every night 11:00 pm – 6:00 am “Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗ |
$1,696 7 of 8 overnight hours free · 70% of EV kWh free |
$143 less a year than True Value 12 ($1,839/yr) |
| Bright Nights 12 Chariot Energy · 12 mo · Lubbock Power & Light |
Free: every night 11:00 pm – 6:00 am “Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗ |
$1,737 7 of 8 overnight hours free · 70% of EV kWh free |
$103 less a year than True Value 12 ($1,839/yr) |
| Bright Nights 24 Chariot Energy · 24 mo · Lubbock Power & Light |
Free: every night 11:00 pm – 6:00 am “Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗ |
$1,819 7 of 8 overnight hours free · 70% of EV kWh free |
$21 less a year than True Value 12 ($1,839/yr) |
| Bright Nights 36 Chariot Energy · 36 mo · Lubbock Power & Light |
Free: every night 11:00 pm – 6:00 am “Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗ |
$1,927 7 of 8 overnight hours free · 70% of EV kWh free |
$88 more a year than True Value 12 ($1,839/yr) |
| Free Weekends-24 Champion Energy Services · 24 mo · Lubbock Power & Light |
Free: Saturday and Sunday, all day “Weekend hours are all day Saturday and Sunday, from 12:01 am on Saturday morning to 11:59 pm Sunday night.” EFL ↗ |
$2,128 29% of EV kWh free (weekend share) |
$288 more a year than True Value 12 ($1,839/yr) |
22 of 47 time-of-use plans estimated; 25 excluded because the free hours are not clearly stated in the label (15), hourly rates are not in the plan’s Electricity Facts Label (6), the label’s prices could not be reproduced (4).
About 288 kWh for 1,000 miles a month, from its EPA combined consumption of 28.8 kWh per 100 miles (fueleconomy.gov), which is measured at the wall and includes charging losses. 500 miles: about 144 kWh; 1,500 miles: about 432 kWh.
As of Oct 11, 2026, about $30.88–$34.27 a month for 1,000 miles (3.1–3.4¢ per mile) on the lowest-cost fixed-rate plan without a bill credit or minimum-usage fee in each of the 6 Texas utilities, for a home averaging 1,000 kWh a month. TexasHomeBills™ estimate: the plan’s 12-month cost with the EV minus without, before taxes.
Bill-credit plans subtract a fixed credit in months when usage is above a threshold. EV charging can push more months over it, so the credit is paid more often and the 12-month total can fall. The extra electricity is not free; the credit just applies more often.
TexasHomeBills is independent. Not affiliated with or endorsed by the PUCT, the EPA or any automaker. Estimates, not offers.
TexasHomeBills™, “Charging a 2025 Tesla Model Y Long Range AWD at home in Texas” (data as of Oct 11, 2026), https://texashomebills.com/electricity/ev/vehicle/tesla-model-y-long-range-awd
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