Water Heating
Heating water takes up about 35% of a typical Hawaii electric bill.
Invest in smart energy solutions that will keep you…not your wallet…in hot water at discount rates: Solar water heating and heat pumps.
Typical U.S. homeowner’s water consumption by place of use
Source: energystar.gov
Source: State of Hawaii, Department of Business, Economic Development & Tourism
Solar Water Heating
Savings rating ★★★★★
- $750 rebate
-
35% state tax
credits -
30% federal tax
credits -
90% energy
savings
Cut your water heating costs up to 90% with solar water heating.
Cut your solar water heating installation costs by up to 75% with a Hawaii Energy rebate and state and federal tax credits. With the money you’ll save on your electric bill, your solar water heating system will pay for itself within 4 to 5 years.
Select a Participating Contractor to take advantage of this solar water heating rebate. You’ll be joining one in four Hawaii residents who are already saving money with solar water heating system.
Solar water heating system rebates are available only for existing homes. A new Hawaii law mandates solar water heating for all new homes to be built.
Sample Cost Savings for Solar Water Heating
The average solar water heating system costs approximately $6,600+. The following example shows how Hawaii Energy solar water heating rebates, combined with the federal and state tax credits, can substantially reduce the cost of a solar water heating system.
One-time property tax credit for Hawaii County
| Average Cost of a Solar Water Heating System | $6,600 + |
| Less Instant Rebate | ($750) |
| SUBTOTAL | $5,850 |
| 30% Federal Tax Credit ($5,850 X 30%) | ($1,755) |
| 35% State Tax Credit ($5,850 X 35%) | ($2,047) |
| NET SYSTEM COST TO CUSTOMER | $2,048 |
*$6,600 is the average system cost for the average size system for existing home retrofits. Your price will vary as different household needs require different sizes of solar hot water systems. Contractor charges also vary.
Check out our Hot Water, Cool Rates (solar interest buy down) program if you wish to finance your solar water heating system.
Solar Water Heating Contractors
Heat Pumps
Savings rating ★★★★
- $200 rebate
-
30% federal tax
credits -
30% energy
savings
Heat pumps pull heat out of the air into a hot water tank. The pumps can be two to three times more energy efficient than regular electric water heaters. Heat pump installation in your primary residence qualifies for a federal tax credit of 30% of cost up to $1,500.
Apply for a $200 Hawaii Energy heat pump rebate.
