Solar Water Heater Rebate

May 30, 2025

Summary

Hawaii Energy, a third-party administered public benefits fund, provides incentives for energy efficiency and conservation to customers of the Hawaiian Electric Company (HECO) and its subsidiaries, Maui Electric Company (MECO) and Hawaii Electric Light Company (HELCO). This incentive is available for installations on the islands of Oahu, Hawaii, Maui, Lanai and Molokai.

Program Overview

Implementing Sector:	State
Category:	Financial Incentive
State:	Hawaii
Incentive Type:	Rebate Program
Web Site:	https://www.hawaiienergy.com/for-homes/rebates/water-heating
Administrator:	Hawaii Energy
Start Date:
Eligible Renewable/Other Technologies:	Solar Water Heat
Incentive Amount:	Residential Solar Water Heating: $2,000 Commercial solar water heater with input rating ≤ 12 kW: $1,000 Commercial solar water heat with input rating > 12 kW: $0.12 per kWh saved + $125 per kW saved between 5 to 9pm
Equipment Requirements:	Must be SRCC OG-100-certified.
Installation Requirements:	Extensive installation requirements; see program web site for details.

Incentives

This program has 3 incentives

Technologies:	Solar Water Heat
Sectors:	Residential
Parameters:	The incentive has a minimum of $2000.00

Technologies:	Solar Water Heat
Sectors:	Commercial, Federal Government
Parameters:	The incentive is 1000.00 $/Unit, The system has a minimum of 12.00 kW

Technologies:	Solar Water Heat
Sectors:	Commercial, Federal Government
Parameters:	The system has a maximum of 12.10 kW, The incentive is 0.12 $/first year kWh savings

Contact

Name:	Hawaii Energy Efficiency Program
Address:	Honolulu HI 96817
Phone:	(808) 537-5577
Email:	hawaiienergy@leidos.com

This information is sourced from DSIRE; the most comprehensive source of information on incentives and policies that support renewables and energy efficiency in the United States. Established in 1995, DSIRE is operated by the N.C. Clean Energy Technology Center at N.C. State University.