Slate Reality Check · San Diego, CA
Slate truck in San Diego, CA
Winter range, charging cost and how far it goes, worked out for San Diego's weather, grid and prices.
Winter barely touches range in San Diego: at a typical January's 57°F, a Slate gets an estimated 202 miles on a charge, about its 205-mile rating. Charging at home at California's average rate (33.6¢/kWh) costs about $121 a month for 38 miles a day, against $268 for a gas Ford Maverick on California's gas. And San Diego's grid (WECC California), 44% cleaner than the US average, makes it 82% 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 Diego's typical October day, 68°F · 35% highway
Winter lowEstimated
201mi
January, 57°F · lows near 45°F
Home chargingEstimated
$121/mo
10.4¢ a mile at 33.6¢/kWh. Gas Ford Maverick: $268/mo
San Diego's grid
0.43lb CO₂/kWh
WECC California (EPA eGRID): 44% cleaner than the US, 82% less CO₂ than gas
San Diego, 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 · 57°F
About its rating · coldest week 201 mi
202mi
Spring Mar–May · 62°F
About its rating
203mi
Summer Jun–Aug · 71°F
About its rating
204mi
Fall Sep–Nov · 67°FNow
About its rating
204mi
A Slate's range through a San Diego yearEstimated
Each month at San Diego's 30-year normal temperature, 35% highway. No day of the year averages below freezing.
How far it goes from San Diego, on real roadsEstimated
In October, from a full charge with 10% in reserve: about 92 mi out and back, 183 mi one way (January: 181 mi). Dots are DC fast chargers by network.
Fast charging around San Diego
PlugLog's map of every public charger. Tesla-only Superchargers aren't counted.
- 186DC fast chargers within 25 mi
- 1.1 mito the nearest
- EVgo369 in reach
- ChargePoint257
- Tesla Supercharger209
- Electrify America126
- EVCS78
Road trips in October, about, by road: Los Angeles (139 mi) and Riverside (99 mi) one way on a charge; Oxnard (191 mi) with one fast stop.
Questions San Diego drivers ask
How far can a Slate go in a San Diego winter?
San Diego's winters are mild: about 202 miles on a typical January day (57°F) and about the same in the coldest week (around December 16, 56°F), estimated from real EV drives at those temperatures. That's about its 205-mile rating.
How much does it cost to charge a Slate in San Diego?
About $121 a month at home for 38 miles a day, at California's average home electricity rate of 33.6¢/kWh: about 10.4¢ a mile. A gas Ford Maverick on California's average gas ($6.03 a gallon) costs about $268 a month for the same driving.
Can I charge a Slate on a regular 120 V outlet in San Diego?
At 38 miles a day, yes, all year: a 120 V outlet adds about 50 miles in 12 hours even in San Diego's coldest week, and about 50 on an average day.
Is it greener to drive electric on San Diego's grid?
Yes, more than most places. San Diego's grid (WECC California) is 44% cleaner than the US average, so a Slate charged on it makes 82% 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 Diego
Sources: temperatures, 30-year normals (NOAA 1991–2020) at San Diego Montgomery Fld, CA; home electricity, EIA (California, July 2026); gas, EIA weekly (California); 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.