PSE Flex Batteries Enhanced Incentives (upfront battery cost)
Up to $10,000 toward the upfront cost of a new home battery. A second pathway pays up to $5,000 or 100% of eligible equipment and installation cost.
Up to$10,000
Home energy rebates in Mercer Island, WA
Mercer Island gets its power from Puget Sound Energy (electric). Here's what you can claim and who can do the work.
Rebates you may qualify for
PSE Up & Go Electric home EV charger rebate
Standard: up to $300 on a qualifying Level 2 charger. Income-qualified: up to $600 on the charger plus up to $2,000 toward professional installation ($2,600 total). Instant at checkout through the PSE Marketplace or...
Up to$2,600
PSE electric heat pump rebates (electric resistance/furnace conversion and heat pump upgrade)
$1,500 to replace electric resistance heat (baseboard, wall, radiant) with a qualifying ducted or ductless air-source heat pump. Income-qualified Efficiency Boost: $2,400. Also $1,500 to replace an electric...
Up to$2,400
PSE heat pump water heater rebate
$1,000 for a Tier 3 or Tier 4 heat pump water heater; $1,100 with income-qualified Efficiency Boost. Also available as an instant coupon at participating Lowe's and Home Depot stores (pse.com/coupon) or as an...
Up to$1,100
PSE Flex Batteries (home battery demand response)
One-time enrollment incentive of $75/kWh of storage, up to $1,000 per battery, plus $0.50/kWh discharged during Flex events, up to $500 per battery per year
Up to$1,000
Washington State Home Electrification and Appliance Rebates (HEAR) - heat pumps and heat pump water heaters
Amounts are set by each local administrator and vary by equipment and work. Covers heat pumps (ducted, ductless, PTHP, ground-source), heat pump water heaters, heat pump dryers and related panel/wiring upgrades. Some...
Washington Weatherization Program / SHEAP weatherization - ductless heat pumps for income-eligible households
No per-household dollar amount is published.
Map of Mercer Island
Loading map…
Mercer Island has 4.3 public charging ports per 10,000 residents, against 11.4 across Washington. See how towns compare.
Licensed installers in Mercer Island
AC Electric LLC
Mercer Island, 98040Home batteryEV chargerStandby generator
Electrical Contractor ACELEEL918PM
Licensed since 2009
Island Security Systems INC
Mercer Island, 98040Home batteryEV chargerStandby generatorHeat pump
Electrical Contractor ISLANSS122QC
Licensed since 1988
J&H Maritime Consulting LLC
Mercer Island, 98040Home batteryEV chargerStandby generator
Electrical Contractor JHMARMC853KD
Licensed since 2015
Wenzel Electric LLC
Mercer Island, 98040Home batteryEV chargerStandby generator
Electrical Contractor WENZEEL938QF
Licensed since 2007
Eco Electric, Plbg, Htg & Air
Mercer Island, 98040Home batteryEV chargerStandby generator
Electrical Contractor ECOELEP76575
Licensed since 2024
Voltline LLC
Mercer Island, 98040Home batteryEV chargerStandby generator
Electrical Contractor VOLTLL*753JP
Licensed since 2025
Public EV charging
4 public charging stations in Mercer Island: 11 Level 2 ports.
| Station | Address | Ports | Network | Hours |
|---|---|---|---|---|
| Boys & Girls Clubs of King County | 4120 86th Ave SE | 4 Level 2 | EV Connect | 24 hours daily |
| WPEV-00158 - Mercer Island School District Admin Bldg | 4160 86th Ave SE | 3 Level 2 | EV Connect | 24 hours daily |
| ALJOYA 1 EV CHARGER | 2430 76th Ave SE | 2 Level 2 | ChargePoint Network | 24 hours daily |
| MERCER ISLAND MI COMMUN CTR | 8236 SE 24th MI Community Center | 2 Level 2 | ChargePoint Network | 24 hours daily |
Source: U.S. Department of Energy station locator. Confirmation dates vary by station.