WattNomic

Massachusetts kWh cost

Massachusetts kWh cost calculator

Fast Massachusetts electricity estimates using EIA residential-rate defaults, editable kWh assumptions, and clear links back to the full WattNomic calculators.

Fast answer

Massachusetts kWh cost is price times usage.

At 30.46 cents per kWh, every 100 kWh in Massachusetts costs about $30 before fixed charges, taxes, and utility-specific riders.

Massachusetts: 30.46 cents/kWhRank #5 by state/DC rateSource: EIA February 2026 Reviewed: May 2026

Massachusetts bill examples

  • $198600 kWh month plus a $15 fixed charge
  • $289900 kWh month plus a $15 fixed charge
  • $3811,200 kWh month plus a $15 fixed charge

Use the calculator

Replace the state default with the rate and fixed charges from your own utility bill for a better answer.

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Estimate your Massachusetts monthly cost

Live estimate

This page starts with the state default and keeps the inputs editable.

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Source: U.S. Energy Information Administration, Electric Power Monthly, Table 5.6.A (February 2026). Replace defaults with your utility bill before making a purchase decision.

Related Massachusetts checks

Average electric billaverage monthly electric billIs my bill normal?electric bill normality checkCost per kWhstate electricity rate

High-rate comparisons

Hawaii kwh costCalifornia kwh costMaine kwh costConnecticut kwh cost

Common questions

What is the kwh cost in Massachusetts?

Massachusetts's current WattNomic default is 30.46 cents per kWh from EIA's February 2026 table. Monthly bills also depend on usage, fixed fees, taxes, and utility-specific riders.

How do I estimate a Massachusetts electric bill by kWh?

Multiply monthly kWh by Massachusetts's cents per kWh, divide by 100, then add fixed monthly charges. Replace the state average with your exact utility bill when available.

Is the Massachusetts electricity rate the same as my utility rate?

No. The Massachusetts page uses a state-level EIA average for screening. Your utility supply, delivery, time-of-use plan, taxes, and fixed fees can be different.