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State profile · WA

Washington electricity rates

164 residential tariffs from 53 utilities. Across the 38 filed since 2020, the median costs $0.1472 per kWh at 1,000 kWh a month once fixed charges are included — the cheapest $0.0752, the most expensive $0.2459.

$0.1472median $/kWh, all in
53utilities
164tariffs on file
4%time-of-use
25%filed since 2020
Where Washington sits — effective $/kWh at 1,000 kWh a month
  • 38 comparable tariffs: $0.0752 to $0.2459
  • Washington median $0.1472
  • US median $0.1658

Rate structures in Washington

  • Flat 115 (70%)
  • Tiered 23 (14%)
  • Seasonal + tiered 19 (12%)
  • Time-of-use 6 (4%)
  • Unclassified 1 (1%)

Lowest effective rates at 1,000 kWh/month

Ranked across tariffs filed since 2020: 38 here, 25% of those on file. Older filings are excluded because they are systematically below what utilities now charge. See methodology. Effective rate includes fixed charges, and availability restrictions may apply.

UtilityTariffStructureFiled $/kWhAnnual
City of Tacoma, Washington Residential Service - Schedule A-2 Flat 2025 $0.0752 $902.52
PUD No 1 of Cowlitz County Residential Service Schedule 1 Single Phase Flat 2025 $0.1012 $1,214.85
PUD No 1 of Cowlitz County Residential Service Schedule 1 Three Phase Flat 2025 $0.1085 $1,302.45
City of Tacoma, Washington RS - Schedule A-1 - Collectively Metered Apartments Flat 2025 $0.1106 $1,326.70
City of Tacoma, Washington RS - Schedule A-1 - City of Fife - collectively metered apartments Flat 2025 $0.1106 $1,326.70
City of Tacoma, Washington RS - Schedule A-1 - City of Fircrest - collectively metered apartments Flat 2025 $0.1106 $1,326.70
City of Tacoma, Washington RS - Schedule A-1 - City of Lakewood - collectively metered apartments Flat 2025 $0.1106 $1,326.70
City of Tacoma, Washington RS - Schedule A-1 - City of Steilacoom - collectively metered apartments Flat 2025 $0.1106 $1,326.70
City of Tacoma, Washington Residential Service - Schedule A-1 Flat 2025 $0.1157 $1,388.50
City of Tacoma, Washington Residential Service - Schedule A-1 - City of Fife Flat 2025 $0.1157 $1,388.50

Not a 1,000 kWh household?

Price every Washington tariff against the usage on your own bill.

Price these at your usage

Guides to these rates

All guides

  1. Guide · 3 min

    Your utility probably offers more than one rate

    At 104 utilities with more than one current residential tariff open to everyone, the cheapest option beat the middle one by a median $71 a year at 1,000 kWh a month — and by more than $250 at 21 of them.

  2. Guide · 3 min

    When is electricity most expensive? It depends on your utility

    Across 95 utilities with time-of-use rates we found 49 different weekday peak windows. Nearly all include 5 to 6 pm; little else is shared.

  3. Guide · 4 min

    Does each extra kWh cost more? It depends where you live

    Of 84 utilities with tiered residential rates, 43 charge more per kWh as usage rises, 23 charge less, and 11 do both: rising in summer, falling in winter.

  4. Guide · 3 min

    Does electricity cost more in summer? At about half of utilities, yes

    Of 174 utilities, 82 charge more for the same 1,000 kWh in July than in January, typically about $12 a month. 19 charge more in winter.

  5. Guide · 3 min

    What utilities charged for electricity in 2025

    Across 1,199 utilities, the average residential price rose a median 4.1% from 2024 to 2025. At 137 it rose 10% or more; at 227 it fell.