Washington
vsTennessee
Side-by-side comparison of electricity costs, generation mix, and renewable energy data.
| Washington | Metric | Tennessee |
|---|---|---|
| 13.11¢/kWh | Residential | 13.18¢/kWh |
| 10.95¢/kWh | Commercial | 12.87¢/kWh |
| 6.88¢/kWh | Industrial | 6.74¢/kWh |
| #8 | Price Rank | #11 |
| 69.5% | Renewable % | 13.8% |
Generation Mix
Washington
Tennessee
Frequently Asked Questions
Washington has cheaper residential electricity at 13.11¢/kWh. The difference is 0.07¢/kWh between the two states. Washington ranks #8 and Tennessee ranks #11 cheapest among all states.
Washington gets 69.5% of electricity from renewables, while Tennessee gets 13.8%. Washington 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.
Comparing Washington and Tennessee on U.S. state-level electricity rates and generation mix requires lining up the underlying the EIA Open Data API and State Electricity Profiles data side by side. The table above runs the comparison on the canonical fields; the narrative below identifies the factor or factors that drive the most meaningful difference between the two.
For households or analysts using this comparison as a decision input, the right framing is usually not "which is better" in aggregate but "which is better for the specific decision in front of you." the EIA Open Data API and State Electricity Profiles captures the raw data; the framing depends on whether the question is investment, residency, planning, or research.