Slate Reality Check · San Antonio, TX
Slate truck in San Antonio, TX
Winter range, charging cost and how far it goes, worked out for San Antonio's weather, grid and prices.
Winter barely touches range in San Antonio: at a typical January's 52°F, a Slate gets an estimated 199 miles on a charge, within 3% of its 205-mile rating. Charging at home at Texas's average rate (15.9¢/kWh) costs about $57 a month for 38 miles a day, against $165 for a gas Ford Maverick on Texas's gas. On San Antonio's grid (ERCOT All), about the US average, it makes 70% less CO₂ than gas.
Estimated. Almost no one's driving a Slate yet, so these come from 1,548 real drives in other EVs at each temperature (and Recurrent's winter study below freezing), applied to the Slate's rating. They switch to real Slate drives as owners log them.
October rangeEstimated
204mi
At San Antonio's typical October day, 71°F · 35% highway
Winter lowEstimated
198mi
January, 52°F · lows near 41°F
Home chargingEstimated
$57/mo
4.9¢ a mile at 15.9¢/kWh. Gas Ford Maverick: $165/mo
San Antonio's grid
0.73lb CO₂/kWh
ERCOT All (EPA eGRID): about the US average, 70% less CO₂ than gas
San Antonio, season by seasonEstimated
A Slate's range on a full charge, averaged over each season's months (30-year normal temperatures), at 35% highway.
Winter Dec–Feb · 54°F
About its rating · coldest week 198 mi
200mi
Spring Mar–May · 70°F
About its rating
204mi
Summer Jun–Aug · 84°F
About its rating
205mi
Fall Sep–Nov · 71°FNow
About its rating
204mi
A Slate's range through a San Antonio yearEstimated
Each month at San Antonio's 30-year normal temperature, 35% highway. No day of the year averages below freezing.
How far it goes from San Antonio, on real roadsEstimated
In October, from a full charge with 10% in reserve: about 92 mi out and back, 183 mi one way (January: 179 mi). Dots are DC fast chargers by network.
Fast charging around San Antonio
PlugLog's map of every public charger. Tesla-only Superchargers aren't counted.
- 54DC fast chargers within 25 mi
- 2.8 mito the nearest
- ChargePoint61 in reach
- Tesla Supercharger55
- EVgo46
- EV Connect18
- Shell Recharge13
Road trips in October, about, by road: Austin (92 mi) one way on a charge; Houston (237 mi) with one fast stop.
Questions San Antonio drivers ask
How far can a Slate go in a San Antonio winter?
San Antonio's winters are mild: about 199 miles on a typical January day (52°F) and about the same in the coldest week (around January 2, 52°F), estimated from real EV drives at those temperatures. That's within 3% of its 205-mile rating.
How much does it cost to charge a Slate in San Antonio?
About $57 a month at home for 38 miles a day, at Texas's average home electricity rate of 15.9¢/kWh: about 4.9¢ a mile. A gas Ford Maverick on Texas's average gas ($3.70 a gallon) costs about $165 a month for the same driving.
Can I charge a Slate on a regular 120 V outlet in San Antonio?
At 38 miles a day, yes, all year: a 120 V outlet adds about 49 miles in 12 hours even in San Antonio's coldest week, and about 50 on an average day.
Is it greener to drive electric on San Antonio's grid?
Yes. San Antonio's grid (ERCOT All) is about the US average, and a Slate charged on it makes 70% less CO₂ than a gas Ford Maverick.
Check it for your own address
Your street, your daily miles, any temperature on the knob.
Slate Reality Check near San Antonio
Sources: temperatures, 30-year normals (NOAA 1991–2020) at San Antonio International Airport, TX; home electricity, EIA (Texas, July 2026); gas, EIA weekly (Texas); grid CO₂, EPA eGRID 2023; cold-weather range, PlugLog's real drives and Recurrent's winter study (Nov 2025); chargers, Open Charge Map and PlugLog. Updated Oct 22, 2026.