Electricity rate information for ZIP Code 94574 in Napa County in the United States. View various electricity data and statistics about ZIP Code 94574 in Saint Helena, CA. Compare commercial, industrial and residential electricity rates in ZIP Code 94574 to those in California and also tho those in the entire U.S. In addition, view data on both historical and current electricity usage in this Napa County region.
View the charts and tables below for a snapshot of how electricity rates in ZIP Code 94574 (Saint Helena, CA) compare to rates in California and to the U.S. overall.
The average residential electricity rate in ZIP Code 94574 of 15.59¢/kWh is lower than the average residential rate in the state of California overall.
ZIP Code 94574 vs. California
California's average residential electricity rate of 35.25¢/kWh is approximately 126% higher than the 15.59¢/kWh 94574 average rate.
ZIP Code 94574 vs. the U.S.
Additionally, the average residential electricity rate of 18.83¢/kWh in the U.S. overall is an estimated 21% higher than the average residential rate in 94574.
See the table below for a comparison of residential, commercial, and industrial electricity rates in ZIP Code 94574, California, and also in the U.S. as a whole.
| Region | Residential | Commercial | Industrial |
|---|---|---|---|
| ZIP Code 94574 | 15.59¢/kWh | 14.08¢/kWh | 8.98¢/kWh |
| California | 35.25¢/kWh | 25.75¢/kWh | 19.87¢/kWh |
| United States | 18.83¢/kWh | 13.51¢/kWh | 8.66¢/kWh |
View the charts and tables below for electricity usage estimates and comparisons for ZIP Code 94574. See how this Napa County region compares to other regions in California.
This chart visualized the estimated monthly electricity usage rates in ZIP Code 94574 versus the average electricity usage a ZIP Code in California.
MkWh: Million Kilowatt-hours| Month | ZIP Code 94574 | Average CA ZIP | California |
|---|---|---|---|
| May 2025 | 1.71 MkWh | 2.15 MkWh | 5548 MkWh |
| Jun 2025 | 2.07 MkWh | 2.6 MkWh | 6734 MkWh |
| Jul 2025 | 2.54 MkWh | 3.19 MkWh | 8253 MkWh |
| Aug 2025 | 2.7 MkWh | 3.39 MkWh | 8766 MkWh |
| Sep 2025 | 2.77 MkWh | 3.49 MkWh | 9011 MkWh |
| Oct 2025 | 2.02 MkWh | 2.54 MkWh | 6559 MkWh |
| Nov 2025 | 1.75 MkWh | 2.2 MkWh | 5693 MkWh |
| Dec 2025 | 1.82 MkWh | 2.29 MkWh | 5911 MkWh |
| Jan 2026 | 2.62 MkWh | 3.29 MkWh | 8501 MkWh |
| Feb 2026 | 1.79 MkWh | 2.25 MkWh | 5815 MkWh |
| Mar 2026 | 2.07 MkWh | 2.6 MkWh | 6728 MkWh |
| Apr 2026 | 1.71 MkWh | 2.15 MkWh | 5554 MkWh |
The ZIP Code of 94574 is connected to Saint Helena, CA in Napa County. This California region currently has an approximate population of 8,757 residents and an estimated 3,796 total housing units contributing to overall electricity usage statistics in this locality.
* Local 94574 electricity data referenced here (rates and usage) obtained from loquol.
