Slate Reality Check · Charleston, SC
Slate truck in Charleston, SC
Winter range, charging cost and how far it goes, worked out for Charleston's weather, grid and prices.
Winter barely touches range in Charleston: at a typical January's 51°F, a Slate gets an estimated 198 miles on a charge, within 4% of its 205-mile rating. Charging at home at South Carolina's average rate (15.5¢/kWh) costs about $56 a month for 38 miles a day, about a third of the $172 a gas Ford Maverick costs on the Lower Atlantic's gas. And Charleston's grid (SERC Virginia/Carolina), 23% cleaner than the US average, makes it 76% 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 Charleston's typical October day, 69°F · 35% highway
Winter lowEstimated
197mi
January, 51°F · lows near 43°F
Home chargingEstimated
$56/mo
4.8¢ a mile at 15.5¢/kWh. Gas Ford Maverick: $172/mo
Charleston's grid
0.59lb CO₂/kWh
SERC Virginia/Carolina (EPA eGRID): 23% cleaner than the US, 76% less CO₂ than gas
Charleston, 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 · 53°F
About its rating · coldest week 197 mi
199mi
Spring Mar–May · 66°F
About its rating
203mi
Summer Jun–Aug · 81°F
About its rating
204mi
Fall Sep–Nov · 69°FNow
About its rating
204mi
A Slate's range through a Charleston yearEstimated
Each month at Charleston's 30-year normal temperature, 35% highway. No day of the year averages below freezing.
How far it goes from Charleston, on real roadsEstimated
In October, from a full charge with 10% in reserve: about 92 mi out and back, 183 mi one way (January: 178 mi). Dots are DC fast chargers by network.
Fast charging around Charleston
PlugLog's map of every public charger. Tesla-only Superchargers aren't counted.
- 26DC fast chargers within 25 mi
- 3.7 mito the nearest
- Tesla Supercharger38 in reach
- ChargePoint34
- EV Connect20
- EVgo16
- Electrify America6
Road trips in October, about, by road: Augusta (159 mi) and Columbia (124 mi) one way on a charge; Charlotte (215 mi) with one fast stop.
Questions Charleston drivers ask
How far can a Slate go in a Charleston winter?
Charleston's winters are mild: about 198 miles on a typical January day (51°F) and about the same in the coldest week (around January 15, 51°F), estimated from real EV drives at those temperatures. That's within 4% of its 205-mile rating.
How much does it cost to charge a Slate in Charleston?
About $56 a month at home for 38 miles a day, at South Carolina's average home electricity rate of 15.5¢/kWh: about 4.8¢ a mile. A gas Ford Maverick on the Lower Atlantic's average gas ($3.86 a gallon) costs about $172 a month for the same driving.
Can I charge a Slate on a regular 120 V outlet in Charleston?
At 38 miles a day, yes, all year: a 120 V outlet adds about 49 miles in 12 hours even in Charleston's coldest week, and about 50 on an average day.
Is it greener to drive electric on Charleston's grid?
Yes, more than most places. Charleston's grid (SERC Virginia/Carolina) is 23% cleaner than the US average, so a Slate charged on it makes 76% 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 Charleston
Sources: temperatures, 30-year normals (NOAA 1991–2020) at Charleston City, SC; home electricity, EIA (South Carolina, July 2026); gas, EIA weekly (the Lower Atlantic); 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.