Massachusetts
vsCalifornia
Side-by-side comparison of electricity costs, generation mix, and renewable energy data.
| Massachusetts | Metric | California |
|---|---|---|
| 30.48¢/kWh | Residential | 32.54¢/kWh |
| 23.08¢/kWh | Commercial | 26.36¢/kWh |
| 19.35¢/kWh | Industrial | 21.62¢/kWh |
| #49 | Price Rank | #50 |
| 19.6% | Renewable % | 50.8% |
Generation Mix
Massachusetts
California
Frequently Asked Questions
Massachusetts has cheaper residential electricity at 30.48¢/kWh. The difference is 2.06¢/kWh between the two states. Massachusetts ranks #49 and California ranks #50 cheapest among all states.
Massachusetts gets 19.6% of electricity from renewables, while California gets 50.8%. California leads in renewable energy adoption.
Electricity rates from EIA retail sales data. Generation mix from EIA electric power operational data.
Source: U.S. Energy Information Administration, 2026.
The side-by-side above pulls the the EIA Open Data API and State Electricity Profiles data for both Massachusetts and California. What follows is the interpretation — which specific axes carry the most weight for Massachusetts versus California, and which differences are large enough to influence a real decision.
Practical use of the comparison: read the data above, then drill into the individual Massachusetts and California detail pages for the underlying breakdown. A pairwise comparison answers the relative question; the per-entity pages answer the absolute question.