Solar Water Heating Savings Calculator

Find out how much energy and money you could be saving if you installed a solar water heating system. Follow the steps below to enter your information and calculate your estimated savings.

Step 1
Select Your Island



Per kWh

Step 2
Select Number of People in Household


Solar Water Heating not recommended by Hawaii Energy for homes with 1-2 people. Look into a PV water heating solution through our participating Clean Energy Allies, or check out our Heat Pump Water Heating rebate.
Estimated Hot Water Usage


Gallons Per Year

Bill & Energy Savings

Estimated Cost
Shower & Bath $0.00
Clothes Washer $0.00
Dish Washer $0.00
Faucets & Other Uses $0.00
Bill Savings
Energy Savings
0 kWh/year