Massachusetts

Eversource electricity rates & savings

Understand your bill, compare rate plans, optimize EV charging, and model solar savings for Eversource customers. Gleam supports Eversource customers in Massachusetts with time-of-use rate optimization, EV charging cost analysis, and personalized savings recommendations.

Current rate plans

Plan	Type	Good for
Standard / flat rate	Standard	Homes with steady usage across the day
Residential TOU / TOU-EV	Time-of-use (TOU)	EV owners who can charge overnight or on weekends
TOU-EV	EV / TOU	Dedicated overnight EV charging

Published electricity rates

Rate tier	Price (est.)
Standard flat rate (est.)	$0.27–$0.31/kWh
On-peak / peak (TOU or EV plan)	$0.30–$0.34/kWh
Off-peak / super off-peak	$0.10–$0.15/kWh

Rates last verified: July 2026. Effective April 2026.

Official sources: Residential rates, Tariff sheet, and EV program.

Peak & off-peak hours

Peak · 9am–6pm weekdays Jun–Sep; 8am–9pm weekdays Oct–May

Off-peak · Overnight, weekends, and holidays

Illustrative timeline — exact windows vary by season and rate schedule.

Is the TOU or EV plan worth it?

If you drive 700+ miles/month and can charge overnight or on weekends, Eversource's time-varying rate often saves money — peak rates can run 3.4× off-peak. If most of your usage happens during peak hours (often late afternoon), TOU may cost more than a flat plan.

Calculate charging, usage, and solar economics

Use rates published for Eversource to estimate home electricity use, EV charging, solar savings, or solar payback with rate inflation and EV impact.

Electricity usage →EV grid charging →Solar payback →Home solar savings →

Solar & net metering

Solar customers can generally combine net metering with eligible TOU plans — timing self-consumption vs export matters for savings.

Example EV charging savings

Typical EV: 11,000 miles/year (3,143 kWh)

Scenario	Est. annual cost
Charge during peak ($0.34/kWh)	$1,069/yr
Charge off-peak ($0.10/kWh)	$314/yr
Estimated savings (off-peak vs peak)	$755/yr

Assumes 11,000 mi/yr, 3.5 mi/kWh, and 100% of EV charging at each rate tier. Real savings depend on your driving, charger, and schedule.

Utility notes

Deregulated supply market — $0.2897/kWh includes delivery (~$0.134) + Basic Service supply (~$0.156, Feb 2026). Supply rate changes every 6 months. EV TOU-EV rate saves 50-70% on overnight charging vs flat rate. TOU becoming default for new smart meter customers (statewide AMI rollout). ConnectedSolutions battery program: $275/kW summer peak reduction payment. Serves ~80% of MA residents (Greater Boston, eastern + western MA).

Frequently asked questions

What are Eversource's off-peak hours?

6pm–9am weekdays Jun–Sep; 9pm–8am weekdays Oct–May, all weekends

When are peak electricity rates in Massachusetts?

9am–6pm weekdays Jun–Sep; 8am–9pm weekdays Oct–May

Can I switch Eversource rate plans anytime?

Most utilities let you change rate plans, but some TOU or EV schedules require enrollment, smart meters, or a minimum commitment. Confirm on your utility's website.

Is Eversource's time-of-use plan worth it for EV charging?

Personalize this for your home

If you're a Eversource customer, add your provider in Gleam, link your EV, and upload your bill. Gleam finds off-peak charging windows, rate plan savings, and solar opportunities based on your actual usage.

Get Started

Gleam is an independent service and is not affiliated with, endorsed by, or sponsored by Eversource or any other utility company. Eversource is used descriptively to identify the service territory only. Rate information is for reference — always confirm current tariffs on your utility's official website before making billing decisions.