TexasHomeBills™ — Texas electricity plans ranked by what they really cost you.
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Oncor electricity plans for EV owners
Updated Oct 10, 2026
Power to Choose data imported · refreshed daily
As of Oct 10, 2026, for a home averaging 1,000 kWh a month plus a 2025 Volkswagen ID.4 Pro driven 500 miles a month (about 149 kWh more a month), the fixed-rate plan with the lowest estimated 12-month cost in Oncor is Sure Saver 12 from Spark Energy: about $131.51 a month on average ($1,578 a year, 12-month term).
On this bill-credit plan the estimate is $8.15 a month lower with the EV than without ($1,676 a year without it): the extra kWh reach the credit threshold in more months. That is the credit, not free charging.
On the lowest-cost plan without a bill credit or minimum-usage fee, True Value 12 from True Power (#2 of 127), the EV adds about $17.43 a month (3.5¢ per mile).
Estimates from Power to Choose prices incl. delivery charges, excl. taxes; seasonal home usage plus the same EV kWh every month. Time-of-use plans are priced separately below. Change the vehicle and miles in the form.Source: TexasHomeBills™ — https://texashomebills.com/electricity/ev/oncor
Oncor delivers the power in Dallas, Fort Worth, Arlington, Plano, Irving, Garland. Pick your vehicle and miles below; every plan shows what the EV adds on that same plan.
Oncor plans without an EV →
Usage we priced: 13,788 kWh/yr (home 12,000 + EV 1,788)
Plan data: PowerToChoose ·
JanFebMarAprMayJunJulAugSepOctNovDec
🔌 EV charging adds about 149 kWh a month (500 miles × 0.298 kWh per mile), spread evenly over the year; all charging at home.
Vehicle: 2025 Volkswagen ID.4 Pro, EPA combined 29.8 kWh/100 mi, measured at the wall (charging losses included). fueleconomy.gov ↗Time-of-use plans are not in this ranking; the EV charging guide prices them separately.
“EV charging” on each plan = its 12-month estimate with the EV minus without the EV.
127 plans ranked. Variable, prepaid, time-of-use and under-6-month plans are hidden unless you tick them — their price can change, depends on when you use power, or ends long before the year does.
Estimates include TDU delivery charges as published on PowerToChoose; taxes and city fees are not included. Always read the EFL before you sign.
“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.
“Bright Nights hours are 11:00 PM to 06:00 AM. Daytime hours are 06:00 AM to 11:00 PM.” EFL ↗
$1,661
7 of 8 overnight hours free · 70% of EV kWh free
about the same
than True Value 12 ($1,661/yr)
2 of 6 time-of-use plans estimated; 4 excluded because the free hours are not clearly stated in the label (3), hourly rates are not in the plan’s Electricity Facts Label (1).
Excluded plans (4)
Sustainable Simply Days - 3Amigo Energy · Oncor — The free hours are not clearly stated in the plan’s Electricity Facts Label (days or times missing), so we do not guess.
Sustainable Days Bundle - 3Just Energy · Oncor — The free hours are not clearly stated in the plan’s Electricity Facts Label (days or times missing), so we do not guess.
OctopusFlexOctopus Energy · Oncor — Time-of-use rates by hour are not published in the plan’s Electricity Facts Label, so we cannot estimate this plan.
Balanced Days Bundle - 3Tara Energy · Oncor — The free hours are not clearly stated in the plan’s Electricity Facts Label (days or times missing), so we do not guess.
Assumed EV charging window: 10 pm – 6 am. A free window that covers N of those 8 hours counts N/8 of the overnight EV kWh as free (free 11 pm – 6 am = 7 of 8); free-weekend plans count 2/7 of the EV kWh (charging spread evenly over the week).
Home usage in the free hours is the share each label itself assumes (35% on free-nights plans, 30% on free weekends). Only the energy charge is free; delivery and base charges are billed. Label times have no time zone; we read them as Texas local time.
Compared with the lowest-cost fixed-rate plan without a bill credit or minimum-usage fee, with the EV charged evenly. Rates are priced for 12 months even if the plan’s term is shorter. Estimates, before taxes, not offers; they do not enter the ranking above.
EV kWh per month = miles per month × kWh per mile ÷ charging efficiency. Vehicle figures are the EPA combined consumption from fueleconomy.gov (U.S. EPA and DOE), retrieved Oct 9, 2026, which is measured at the wall and already includes charging losses, so the charging efficiency is 1.0. With your own kWh per mile (a vehicle-side figure) we divide by 0.90.
The same EV kWh is added to every month (no seasonal driving pattern), and all charging is at home on the household’s plan. The home uses a typical Texas seasonal pattern (more in summer).
Plans are ranked on home + EV usage with our usual method: fixed-rate plans of 6 months or longer, bill credits applied only in months that qualify, Power to Choose prices including delivery charges, taxes not included. Estimates, not offers — check the EFL before you sign. How it works →
Not included: public charging, and any comparison with gasoline (we do not collect gasoline prices). Time-of-use plans are priced separately, in the time-of-use table, and never mixed into the ranking.
Same numbers for apps and AI assistants: the free API and the MCP tool electricity_ev_charging_cost (attribution required). Developers →
Frequently asked questions
What is the cheapest Oncor electricity plan with an EV?
As of Oct 10, 2026, for a home averaging 1,000 kWh a month plus a 2025 Volkswagen ID.4 Pro driven 500 miles a month, the fixed-rate plan with the lowest estimated 12-month cost is Sure Saver 12 from Spark Energy, about $131.51 a month on average (before taxes). Time-of-use plans are not included in this ranking.
Why does the EV lower the estimate on some plans?
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.
Are time-of-use plans included?
Not in the ranking; they are estimated separately in the time-of-use table on this page, for the plans whose free hours are clearly stated in their Electricity Facts Label (2 of 6 in Oncor on Oct 10, 2026).
How to cite
TexasHomeBills™, “Oncor electricity plans for EV owners” (data as of Oct 10, 2026), https://texashomebills.com/electricity/ev/oncor
Free to reuse, quote and republish with attribution: name TexasHomeBills™ and link to this page. Terms of Service →
TexasHomeBills™ — Texas electricity plans ranked by what they really cost you.
Reading time:
Views: 0 Claude: 284 Others: 93
Read by AI & crawlers
Claude284
Others93
Named by what the crawler says it is; look-alikes we detect are counted under Others. Google · Gemini includes Googlebot, Google’s search crawler, whose index Google also uses for its AI features; other search engines and bots are in Others.
