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NuWatt designs, installs, and manages solar, battery, heat pump, and EV charger systems across 9 states. One company, one warranty, one point of contact.
Get a Free QuoteCompare EV charging costs across 8 utilities and browse installation data for 91 towns. Rates 12.0¢–32.0¢/kWh by utility — about $9.60 per 100 miles at the highest rate.
12.0¢–32.0¢
/kWh by utility
$9.60
at high rate
$448
EV vs gasoline
8
3 IOU · 4 Muni · 1 Co-op
Maine homeowners across 91 towns are served by 8 electric utilities, with residential rates ranging from 12.0¢ to 32.0¢ per kWh. Even at the highest utility rate (32.0¢/kWh), charging an EV costs about $9.60 per 100 miles — compared to roughly $13.33 per 100 miles for gasoline. That translates to annual fuel savings of $448.
A Level 2 home charger (240V, 40-50A) adds 25-37 miles of range per hour, fully charging most EVs overnight. Charger units cost $500-$800 and installation runs $500-$1,500 depending on panel distance and whether a sub-panel upgrade is needed. Total cost before rebates is typically $1,000-$2,300.
The federal Section 30C EV charger tax credit (30% up to $1,000) is still available for installations completed by June 30, 2026. The Efficiency Maine also offers up to $500 toward your charger purchase or installation. Efficiency Maine EV charger rebate up to $500. Many Maine utilities also offer their own EV charger rebates — browse the utility cards below for specifics.
NuWatt Energy installs EV chargers directly across Maine — licensed electricians, dedicated local crews. We handle the full process: electrical assessment, panel capacity check, charger selection, installation, and all permitting. Pair with a home solar system to charge your EV with free energy from your roof.
Based on highest utility rate of 32.0¢/kWh
EV Cost per 100 Miles
$9.60
30 kWh × 32.0¢/kWh
Gas Cost per 100 Miles
$13.33
$4.00/gal · 30 mpg
Annual EV Charging Cost
$1,152
12,000 miles/year
Annual Fuel Savings
$448
vs $1,600/yr gasoline
$500-$800
$500-$1,500
$1,000-$2,300
30% up to $1,000 for residential EV charger installation. Available for installations completed by June 30, 2026.
Efficiency Maine EV charger rebate up to $500.
Many Maine utilities offer EV charger rebates that stack with state programs. See the utility cards below for specific amounts.
8 utilities · sorted by rate
| Utility | Type | Rate | EV Charger Rebate | Net Metering | |
|---|---|---|---|---|---|
| Versant Power | IOU | 32.0¢ | — | Details → | |
| Central Maine Power | IOU | 27.0¢ | — | Details → | |
| Central Maine Power | IOU | 26.4¢ | — | Details → | |
| Eastern Maine Electric Cooperative | Cooperative | 18.0¢ | — | Details → | |
| Madison Electric Works | Municipal | 15.1¢ | — | Details → | |
| Houlton Water Company | Municipal | 13.0¢ | — | Details → | |
| Van Buren Light & Power District | Municipal | 13.0¢ | — | Details → | |
| Kennebunk Light & Power District | Municipal | 12.0¢ | $400 | Details → |
91 towns with utility-specific data
Our recommended Level 2 chargers, all Energy Star certified and compatible with every EV brand.
Based on highest utility rate of 32.0¢/kWh
NuWatt installs Level 2 chargers directly across Maine. Licensed electricians, dedicated local crews.
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