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Calculator-ready

Eversource MA Electricity Rates & Bill Calculator

Eversource Massachusetts rate-source coverage is tracked.

Compare with Massachusetts average →
Modeling statusCalculator-readyselectable in supported calculators
Official sourceTrackedreviewed 2026-09-28
State benchmark30.49¢/kWhEIA · 2026-07
Service areaEversource Massachusetts electric territory
Featured planR-1 Residential · Default Basic Service
Pricing modelFlat / fixed energy rate
Last verified2026-09-28
Calculator-ready: verified numerical rate components are encoded for supported calculations. Effective from 2026-08-01. Unknown bill components remain excluded rather than treated as $0.
Calculate bill with Eversource MACompare Massachusetts averageEV charging calculator
Whole-bill integration: R-1 Residential · Default Basic Service is safe for the current bill calculator model (flat energy pricing).
35.69¢/kWhCurrent calculator benchmark · R-1 default service · Greater Boston
Calculator-ready benchmark. Greater Boston benchmark combines the current residential default Basic Service supply price (17.323¢/kWh, Aug 1 2026–Jan 31 2027) with the current published per-kWh delivery components (18.367¢/kWh). Cape Cod/Martha’s Vineyard and Western Massachusetts differ; the $10 monthly customer charge is excluded.

What is modeled

Calculator-ready marginal residential benchmark for Eversource Eastern Massachusetts — Greater Boston benchmark.

Service area: Eversource Massachusetts electric territory

Calculator boundary

Greater Boston benchmark combines the current residential default Basic Service supply price (17.323¢/kWh, Aug 1 2026–Jan 31 2027) with the current published per-kWh delivery components (18.367¢/kWh). Cape Cod/Martha’s Vineyard and Western Massachusetts differ; the $10 monthly customer charge is excluded.

Rate version & freshness

Version IDcr.eversource-massachusetts.standard-residential.2026-09.v1
Effective from2026-08-01
Effective to2026-12-31
Last verified2026-09-28
FreshCalculator-ready

This tariff snapshot is versioned and source-attributed. When a verified rate changes, CalcuRiver keeps this version in history and adds a new one instead of silently overwriting it.

Official source trail

Eversource official rates and tariffs

Open official source →
Source profile reviewed Sep 28, 2026.

EV charging cost examples on Eversource MA

Vehicle-specific pages below apply R-1 Residential · Default Basic Service to each EV’s verified charging-efficiency profile and compare it with the Massachusetts statewide average.

Tesla Model Y charging costTesla Model 3 charging costChevrolet Equinox EV charging costFord Mustang Mach-E charging costHyundai Ioniq 5 charging costFord F-150 Lightning charging costRivian R1S charging costKia EV9 charging cost
rate depth

How Eversource MA differs from the Massachusetts average

Pricing structureProfile-only / tariff reference
Lowest encoded periodNot encodedNo safe numeric period
Highest encoded periodNot encoded
State benchmark30.49¢/kWhEIA · 2026-07
Effective from2026-08-01
Last verified2026-09-28
Calculator statusCalculator-ready
Featured planR-1 Residential · Default Basic Service

Eligibility / billing boundary: Greater Boston benchmark combines the current residential default Basic Service supply price (17.323¢/kWh, Aug 1 2026–Jan 31 2027) with the current published per-kWh delivery components (18.367¢/kWh). Cape Cod/Martha’s Vineyard and Western Massachusetts differ; the $10 monthly customer charge is excluded.

The state average is a benchmark, not a substitute for this tariff. A low or high encoded period is a marginal energy price and should not be interpreted as a complete monthly bill unless the page explicitly says whole-bill modeling is supported.

Official source: Current official utility/regulator rate source.

whole-bill calculator

Eversource MA electricity bill calculator

Current statusWhole-bill model supported
Verified planR-1 Residential · Default Basic Service
Pricing modelFlat

Use the same verified tariff model at any monthly usage level. CalcuRiver does not create separate SEO pages for 500, 1,000, 1,500 or 2,000 kWh.

500 kWhEstimate this bill →1,000 kWhEstimate this bill →1,500 kWhEstimate this bill →2,000 kWhEstimate this bill →

The calculator includes only rate components encoded and verified for this plan. Any excluded taxes, riders, credits or local charges remain disclosed rather than assumed to be $0.

Continue this cost analysis

Carry this utility context into the household-energy calculators where it materially changes the result.

Massachusetts electricity ratesCompare this utility with the current state residential benchmark.Eversource MA home battery economicsUse this utility context for storage and time-of-use economics.EV charging in MassachusettsSee vehicle charging costs in the same electricity market.
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EV charging in this state

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Solar economics for this utility

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Battery + TOU economics

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Home charger installation

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