Electricity rates in Mattawa, WA
Mattawa (4,548 people, Grant County) is served by 6 electric utilities. Homes on Avista Corp. pay about 14.62¢/kWh, 4% more than the Washington average.
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Electric companies serving Mattawa
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Avista Corp. | Investor-owned utility | 14.62¢ | $134 | 247K | 200 |
| PUD No 1 of Benton County | Public power district | 9.83¢ | $118 | 51K | 36 |
| PUD No 2 of Grant County | Public power district | 6.64¢ | $109 | 43K | 84 |
| PUD No 1 of Franklin County | Public power district | 10.76¢ | $131 | 28K | 91 |
| Benton Rural Electric Association | Electric cooperative | 10.41¢ | $144 | 14K | 304 |
| Big Bend Electric Co-op | Electric cooperative | 10.35¢ | $166 | 6,365 | 449 |
Power outages in Grant County right now
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Outage history in Grant County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 1 | 0 |
| Days with outages | 0 | 0 |
| Most customers out at once | 57 (0.1%) | 10 (0%) |
| Worst day | 2024-01-12 | 2025-12-06 |
Outage minutes by month, 2025
Less outage time than 2024 (1 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Royal City 14.6¢
- Terrace Heights 15.4¢
- Zillah 15.4¢
- Sunnyside 15.4¢
- Kittitas 19.4¢
- Union Gap 15.4¢
- Yakima 15.4¢
- Selah 19.4¢
- Granger 15.4¢
- Toppenish 15.4¢
ZIP codes: 99349
Frequently asked questions
What is the electricity rate in Mattawa?
Most homes in Mattawa get power from Avista Corp., where residential customers pay an average of 14.62¢/kWh including all charges. The Washington average is 14.12¢ and the U.S. average 17.99¢. Other utilities serving parts of Mattawa: PUD No 1 of Benton County (9.83¢), PUD No 2 of Grant County (6.64¢), PUD No 1 of Franklin County (10.76¢).
What is the average electric bill in Mattawa?
About $134 a month, based on 916 kWh a month (the average for Avista Corp. customers) at 14.62¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Mattawa, WA?
6 utilities serve Mattawa's ZIP codes: Avista Corp., PUD No 1 of Benton County, PUD No 2 of Grant County, PUD No 1 of Franklin County, Benton Rural Electric Association, Big Bend Electric Co-op. Which one serves you depends on your street address.
How often does the power go out in Mattawa?
In 2025, customers in Grant County averaged 0 min without power. Outages hit 0 days of the year, and the worst day was 2025-12-06, when 10 customers (0%) were out. Source: ORNL EAGLE-I.