WattBuy’s Guide toElectricity in
Electricity in
Mercer Island
Washington
Washington
Here's the average monthly bill, usage, and carbon footprint of residents in Mercer Island
January
$293highestFebruary
$223March
$184April
$178May
$138June
$135July
$134August
$133lowestSeptember
$139October
$149November
$192December
$211Carbon Emissions
317 lbs CO₂
Monthly Usage
1,486 kWh
Mercer Island's energy comes from Hydroelectric, Natural Gas, Nuclear, Wind, and Coal. Hydroelectric is the largest source of electricity, providing 62% of Mercer Island's energy. Natural Gas is the second largest source, making up 18%. Nuclear provides 9% of the energy in Mercer Island. Wind provides 7% of the energy in Mercer Island. Coal provides 4% of the energy in Mercer Island.
62%
Hydroelectric
18%
Natural Gas
9%
Nuclear
7%
Wind
4%
Coal
Solar power is on the rise, helping homeowners save on their electricity bills and power their homes sustainably.
925 kWh
Energy generated by average sized system
$18,342
Average system cost
(after federal incentive)
18 years
Payback period
Net metering policies in Mercer Island can help solar panel owners save money and reduce their carbon footprint. When your solar panels generate more electricity than you use, you can send the excess back to the grid and receive credit on your next bill. Just something to keep in mind when considering solar panels.
Puget Sound Energy Inc has several different electricity rates for residential customers, as shown in the table below.
| Rate Name | Rate Type | Cost Per kWh |
| Residential & Farm General Service | Fixed | 14¢ to 14¢ |
| 7A (Master Metered Residential Service - Single or Three Phase) | Fixed | 8¢ to 10¢ |
| Residential Service Time-Of-Use (Single Phase) | TOU | 9¢ to 34¢ |
| 7 (Residential Service - Single Phase) | Fixed | 12¢ to 14¢ |
| Residential Service Time-Of-Use (Three Phase) | TOU | 9¢ to 34¢ |
| 12 (Residential & Farm Large Demand General Service) | Fixed | 7¢ |
| 8 (Residential & Farm General Service - Three Phase) | Fixed | 10¢ to 10¢ |
| Residential service single and three phase | Fixed | 14¢ to 16¢ |
| 8 (Residential & Farm General Service - Single Phase) | Fixed | 11¢ to 11¢ |
| 327 (Residential Time of Use 3-tier Pilot) | TOU | 8¢ to 32¢ |
| 317 (Residential Time of Use with Peak Time Rebate Pilot) | TOU | 11¢ to 21¢ |
| 7 (Residential Service - Three Phase) | Fixed | 11¢ to 13¢ |
| 11 (Residential & Farm Small General Service) | Fixed | 8¢ to 10¢ |
| 10 (Residential and Farm Primary General Service) | Fixed | 6¢ |
| 307 (Residential Time of Use Pilot) | TOU | 9¢ to 35¢ |
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