Electricity rates in Black Diamond, WA
Black Diamond (4,376 people, King County) is served by Puget Sound Energy. Homes on Puget Sound Energy pay about 19.45¢/kWh, 38% more than the Washington average.
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Electric companies serving Black Diamond
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Puget Sound Energy | Investor-owned utility | 19.45¢ | $168 | 1.10M | 580 |
Power outages in King County right now
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Outage history in King County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 1,648 | 367 |
| Days with outages | 71 | 60 |
| Most customers out at once | 518,386 (53.8%) | 122,136 (12.7%) |
| Worst day | 2024-11-20 | 2025-10-26 |
Outage minutes by month, 2025
Less outage time than 2024 (1,648 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Ravensdale 19.4¢
- Lake Morton-Berrydale 19.4¢
- Maple Valley 19.4¢
- Covington 19.4¢
- Enumclaw 19.4¢
- Hobart 19.4¢
- Lea Hill 19.4¢
- Buckley 19.4¢
- Maple Heights-Lake Desire 19.4¢
- Auburn 19.4¢
ZIP codes: 98010
Frequently asked questions
What is the electricity rate in Black Diamond?
Most homes in Black Diamond get power from Puget Sound Energy, where residential customers pay an average of 19.45¢/kWh including all charges. The Washington average is 14.12¢ and the U.S. average 17.99¢.
What is the average electric bill in Black Diamond?
About $168 a month, based on 863 kWh a month (the average for Puget Sound Energy customers) at 19.45¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Black Diamond, WA?
Puget Sound Energy serves Black Diamond.
How often does the power go out in Black Diamond?
In 2025, customers in King County averaged 6 hr 7 min without power. Outages hit 60 days of the year, and the worst day was 2025-10-26, when 122,136 customers (12.7%) were out. Source: ORNL EAGLE-I.