Slate Reality Check · New Haven, CT
Slate truck in New Haven, CT
Winter range, charging cost and how far it goes, worked out for New Haven's weather, grid and prices.
New Haven's winters are cool rather than cold: on a typical January day (31°F) a Slate gets an estimated 168 miles, 18% under its 205-mile rating, about the same as in the coldest week (around January 20, when it averages 30°F). By May it's back to about 203. Charging at home at Connecticut's average rate (24.2¢/kWh) costs about $92 a month for 38 miles a day, against $189 for a gas Ford Maverick on New England's gas. And New Haven's grid (NPCC New England), 30% cleaner than the US average, makes it 77% 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
200mi
At New Haven's typical October day, 55°F · 35% highway
Winter lowEstimated
166mi
January, 31°F · lows near 22°F
Home chargingEstimated
$92/mo
7.9¢ a mile at 24.2¢/kWh. Gas Ford Maverick: $189/mo
New Haven's grid
0.54lb CO₂/kWh
NPCC New England (EPA eGRID): 30% cleaner than the US, 77% less CO₂ than gas
New Haven, 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 · 33°F
16% below its 205-mile rating · coldest week 166 mi
173mi
Spring Mar–May · 49°F
5% below its rating
195mi
Summer Jun–Aug · 72°F
About its rating
204mi
Fall Sep–Nov · 55°FNow
About its rating
199mi
A Slate's range through a New Haven yearEstimated
Each month at New Haven's 30-year normal temperature, 35% highway. 43 days a year average below freezing.
How far it goes from New Haven, on real roadsEstimated
In October, from a full charge with 10% in reserve: about 90 mi out and back, 180 mi one way (January: 151 mi). Dots are DC fast chargers by network.
Fast charging around New Haven
PlugLog's map of every public charger. Tesla-only Superchargers aren't counted.
- 60DC fast chargers within 25 mi
- 0.8 mito the nearest
- ChargePoint311 in reach
- Tesla Supercharger170
- EVgo134
- Electrify America82
- EV Connect63
Road trips in October, about, by road: Allentown (178 mi) and Boston (151 mi) one way on a charge; Philadelphia (183 mi) with one fast stop.
Questions New Haven drivers ask
How far can a Slate go in a New Haven winter?
About 168 miles on a typical January day (31°F) and about the same in the coldest week of the year (around January 20, 30°F on average), estimated from real EV drives at those temperatures. That's 18% below its 205-mile rating, mostly from heating the cabin and the battery. New Haven averages 43 days a year below freezing.
How much does it cost to charge a Slate in New Haven?
About $92 a month at home for 38 miles a day, at Connecticut's average home electricity rate of 24.2¢/kWh: about 7.9¢ a mile. A gas Ford Maverick on New England's average gas ($4.25 a gallon) costs about $189 a month for the same driving.
Can I charge a Slate on a regular 120 V outlet in New Haven?
At 38 miles a day, yes, all year: a 120 V outlet adds about 41 miles in 12 hours even in New Haven's coldest week, and about 49 on an average day.
Is it greener to drive electric on New Haven's grid?
Yes, more than most places. New Haven's grid (NPCC New England) is 30% cleaner than the US average, so a Slate charged on it makes 77% 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 New Haven
Sources: temperatures, 30-year normals (NOAA 1991–2020) at New Haven Tweed Airport, CT; home electricity, EIA (Connecticut, July 2026); gas, EIA weekly (New England); 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.