Solar hot water and photovoltaic installations on your home or business can result in large reductions to your electric bill. There are also federal & state tax credits that offer immense returns. In addition to having free hot water and electricity after the system has paid for itself in reduced utility bills, you & your family or business will be cushioned from future fuel shortages & price increases. You will also be doing your part to reduce our country's dependence on foreign oil.

Traditional water heaters can account for up to 40% of the electric bill. You can eliminate up to 85% of the energy used to heat water with the installation of a solar hot water system. In addition to the significant energy savings, Hawaii Energy also offers a one-time $500 rebate to qualifying customers who install solar water heaters using participating contractors as part of the Energy $olutions program. And of January 1st, 2010 solar water heating is a requirement on all new single family construction.

Solar hot water systems tax incentives:
   - The current federal tax bill allows a 30% Federal Energy       Tax Credit with no cap. Read more...
   - Hawaii allows a 35% state tax credit with a cap of $2,250. Read more...

An 80 gallon Solar Water Heater system starts at around $5,300 + tax (minus the rebate of $500).

A 120 gallon Solar Water Heater system starts at around $5,800 + tax (minus the rebate of $500).

See our Tax Benefits page for links to tax forms.

To download a copy of a price sheet for solar water heating, click here.

Frequently Asked Questions

Solar Water Heating
80-gal Solar Hot Water Heating System

   
   System Cost
$ 5,520.85   
   Hawaii Energy Rebate *
- 500.00   
   Federal Tax Credit
- 1,506.25   
   Hawaii State Tax Credit
- 1,757.30   
   Net Cost
$ 1,757.30   
* As of 7/10/16 the rebate was reduced to $500.  
   Avg Elec. Bill Savings
$60.00/Month   
   Yearly Savings
$720.00   
   Est. Pay Back Period
> 2 Yrs.  

Solar Water Heating
120-gal Solar Hot Water Heating System

   
   System Cost
$ 6,041.69   
  Hawaii Energy Rebate *
- 500.00   
   Federal Tax Credit
- 1,662.51   
   Hawaii State Tax Credit
- 1,939.59   
   Net Cost
$ 1,939.59
* As of 7/10/16 the rebate was reduced to $500.  
   Avg Elec. Bill Savings
$75.00/Month   
   Yearly Savings
$900.00   
   Est. Pay Back Period
< 2 Yrs.  








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