Reality Check · Hartford, CT
2025 Tesla Model Y in Hartford, CT
Winter range, charging cost and how far it goes, worked out for Hartford's weather, grid and prices.
In a typical Hartford January (29°F), a Model Y gets an estimated 229 miles on a charge, 17% less than its 277-mile rating, and about the same in the coldest week of the year (around January 21, when it averages 28°F). By July it's back to about 293. Charging at home at Connecticut's average rate (24.2¢/kWh) costs about $96 a month for 38 miles a day, against $205 for an average small SUV on New England's gas. And Hartford's grid (NPCC New England), 30% cleaner than the US average, makes it 77% less CO₂ than gas.
Partly estimated. 2 of 5 temperature bands are from 139 real drives of this model; the rest come from 1,548 real drives in EVs at each temperature (and Recurrent's winter study below freezing), applied to its 277-mile rating. Each band switches to its own drives once it has 20 from 3 drivers.
October range
264mi
At Hartford's typical October day, 54°F · 35% highway
Winter lowEstimated
227mi
January, 29°F · lows near 20°F
Home chargingEstimated
$96/mo
8.3¢ a mile at 24.2¢/kWh. Average small SUV: $205/mo
Hartford's grid
0.54lb CO₂/kWh
NPCC New England (EPA eGRID): 30% cleaner than the US, 77% less CO₂ than gas
Hartford, season by seasonEstimated
A Model Y's range on a full charge, averaged over each season's months (30-year normal temperatures), at 35% highway.
Winter Dec–Feb · 31°F
15% below its 277-mile rating · coldest week 227 mi
235mi
Spring Mar–May · 50°F
6% below its rating
261mi
Summer Jun–Aug · 73°F
4% above its rating
289mi
Fall Sep–Nov · 54°FNow
4% below its rating
267mi
A Model Y's range through a Hartford yearEstimated
Each month at Hartford's 30-year normal temperature, 35% highway. 60 days a year average below freezing.
How far it goes from Hartford, on real roads
In October, from a full charge with 10% in reserve: about 119 mi out and back, 238 mi one way (January: 206 mi). Dots are DC fast chargers by network.
Fast charging around Hartford
PlugLog's map of every public charger. Tesla-only Superchargers aren't counted.
- 75DC fast chargers within 25 mi
- 1.1 mito the nearest
- ChargePoint400 in reach
- Tesla Supercharger223
- EVgo178
- Electrify America105
- EV Connect84
Road trips in October, about, by road: Philadelphia (221 mi) and Allentown (208 mi) one way on a charge; Syracuse (247 mi) with one fast stop.
Questions Hartford drivers ask
How far can a Model Y go in a Hartford winter?
About 229 miles on a typical January day (29°F) and about the same in the coldest week of the year (around January 21, 28°F on average), estimated from real EV drives at those temperatures. That's 17% below its 277-mile rating, mostly from heating the cabin and the battery. Hartford averages 60 days a year below freezing.
How much does it cost to charge a Model Y in Hartford?
About $96 a month at home for 38 miles a day, at Connecticut's average home electricity rate of 24.2¢/kWh: about 8.3¢ a mile. An average small SUV on New England's average gas ($4.25 a gallon) costs about $205 a month for the same driving.
Can I charge a Model Y on a regular 120 V outlet in Hartford?
At 38 miles a day, yes, all year: a 120 V outlet adds about 39 miles in 12 hours even in Hartford's coldest week, and about 46 on an average day.
Is it greener to drive electric on Hartford's grid?
Yes, more than most places. Hartford's grid (NPCC New England) is 30% cleaner than the US average, so a Model Y charged on it makes 77% less CO₂ than an average small SUV.
Check it for your own address
Your street, your daily miles, any temperature on the knob.
Model Y Reality Check near Hartford
Sources: temperatures, 30-year normals (NOAA 1991–2020) at Hartford Brainard Fld, 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.